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Superfamily PROCTOTRUPOIDEA
Family PLATYGASTRIDAE

Members of this family for which host associations are known are mainly parasites of Diptera,
and especially of the Cecidomyiidae, but some are important parasites of mealybugs and
whiteflies. Occasional species have been reared from wasp larvae of the subfamily Crabroninae,
from hymenopterous galls, and from eggs of certain Coleoptera.

Revision: Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 247-330. -Kieffer, 1926. Das Tierreich,

Lief. 48, pp. 557-884.
Taxonomy: Foerster, 1856. Hym. Stud., v. 2, pp. 20, 28, 106-116. -Thomson, 1859. Ofvers.
Kongl Vetensk.-Akad., Forh. 16: 69-88. —Marshall, 1873. Cat. Brit. Hym.; Oxyura, pp.
17-22 -Ashmead 1903. N. Y. Ent. Soc, Jour. 11: 94-99. -Mani, 1941. Cat. Indian Insects,
pt 26 pp. 29-35. -Jansson, 1939. Ent. Tidskr. 60: 173-175. -Szabo, 1959. Mus. Natl.




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Hungarici, Ann. Hist.-Nat. 51: 389-390. -Kozlov, 1970. Ent. Obozr. 49: 219-225 (English
transl.: Ent. Rev. 49: 123-126). -Kozlov, 1971. See. Ent. Unionis Sovet, Horae 54: 54-64.

Biology: Kieffer, 1926. Das Tierreich, Lief. 48, pp. 7-10. —Clausen, 1940. Entomophagous
Insects, pp. 239-249.

Subfamily INOSTEMMATINAE

Taxonomy: Ashmead, 1903. N. Y. Ent. Soc, Jour. 11: 95-96. — Szabo, 1959. Mus. Natl.

Hungarici, Ann. Hist.-Nat. 51: 390. —Kozlov, 1970. Ent. Obozr. 49: 220-222 (English transl.:
Ent. Rev. 49: 123-124).

Tribe INOSTEMMATINI

Genus METACLISIS Foerster

Mefactisi.s Foerster, 1856. Hym. Stud., v. 2, pp. 106, 109.

Type-species: Metacli.sis aieolatiis Foerster. Monotypic.
Parinoxteiiniia Kieffer, 1914. hi Andre, Spec. Hym. Eur. Alg., v. 11, p. 355.

Type-species: hiosteiinna qiii)i(l(i Walker. Orig. desig.

Taxonomy: Masner, 1965. Brit. Mus. (Nat. Hist.), Bui., Ent., Sup. 1, p. 131. — Hellen, 1968.
Notulae Ent. 48: 45. —Kozlov, 1970. Ent. Obozr. 49: 220 (English transl.: Ent. Rev. 49:
123).

Metaclisis carinata (Ashmead)
D. C.

Monocrita carinata Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 253, 254. ♀.

Metaclisis floridana (Ashmead)
Fla. (Jacksonville).

Acetota Floridana Ashmead, 1887. Canad. Ent. 19: 128. ♀.

Genus INOSTEMMA Haliday

Inontenniia Haliday, 1833. Ent. Mag. 1: 270.

Type-species: Psilus boscii Jurine. Monotypic.
Acerota Foerster, 1856. Hym. Stud., v. 2, p. 107. No species. —Ashmead, 1887. Canad. Ent.
19: 128. Two species.

Type-species: Acerota caryae Ashmead. Desig. by Muesebeck and Walkley, 1951.
Braclnnotitenima Kieffer, 1916. Zentbl. f. Bakt., Parasitenk. u. Infektionskrankheiten, Abt.
2, 46: 551.

Type-species: Brachinostenivia mediterraneum Kieffer. Orig. desig.
Inocerota Szelenyi, 1939. Mus. Nat. Hungarici, Ann. 32 (Zool.): 121.

Type-species: Inocerota discessus Szelenyi. Orig. desig.

Revision: Kieffer, 1926. Das Tierreich, Lief. 48, pp. 579-595. —Szelenyi, 1938. Mus. Nat.
Hungarici, Ann. 31 (Zool.): 108-128 (Palearctic species).

Taxonomy: Masner, 1964. Acta Soc. Ent. Cechoslov. 61: 146-148.

Biology: Marchal, 1906. Arch, de Zool. Expt. et Gen. 34: 537-573. — Adler, 1908. Ztschr. f.
Wiss. Insektenbiol. 4: 306-307. -Myers, 1927. Bui. Ent. Res. 18: 129-133.

Inostemma americanum (Ashmead)
Fla. (Jacksonville).

Allot ropa Americana Ashmead, 1887. Canad. Ent. 19: 125. ♂.

Monocrita nielanostropha Ashmead, 1887. Canad. Ent. 19: 126. ♀.

Acerota caryae Ashmead, 1887. Canad. Ent. 19: 128. ♀, ♂.

Inostemma belonocnemae (Ashmead)
Fla. (Jacksonville). Host: Belonocnevia treatae Mayr gall.

Metaclisis belonocnemae Ashmead, 1887. Canad. Ent. 19: 125. ♀.

Inostemma californicum Ashmead
Calif. (Los Angeles County). Host: Cecidomyiid gall-maker on
Tlielypodiit ni i)i tegrifoliu iii .

Inostemma califomica Ashmead, 1893. U. S. NatL Mus., Bui. 45: 257, 259. ♀, ♂.

Inostemma cecidomyiae (Ashmead)
Calif. (Los Angeles County). Host: Cecidomyiid gall-maker on
Ephedra califomica.
Acerota cecidomyiae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 260, 261. ♂.




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Inostemma horni Ashmead
Fla. (Jacksonville).

Inostotntia Horni Ashmead, 1887. Canad. Ent. 19: 126. ♀, ♂.

Inostemma leguminicolae Fouts
N. Y. (Ithaca). Host: Daaineura leguminicola (Lint.).

InoxtetHwa legiDiiiiiicolae Fouts, 1923. Ent. Soc. Wash., Proc. 25: 64. ♀.

Inostemma leonardi (Fouts)
N. Y. (McLean Bogs).

Acerofa leonardi Fouts, 1925. Ent. Soc. Wash., Proc. 27: 147. ♂.

Inostemma lintneri Ashmead
Ont., N. Y., D. C.

Inosteiiniia Lintneri Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 257, 259. ♀.

Inostemma packardi Ashmead
Fla. (Jacksonville).

Inosteunna Packardi Ashmead, 1887. Canad. Ent. 19: 127. ♀.

Inostemma rileyi Ashmead
Fla. (Jacksonville).

InOHtemnia Rileyi Ashmead, 1887. Canad. Ent. 19: 127. ♀.

Genus ISOSTASIUS Foerster

Isostasiiis Foerster, 1856. Hym. Stud., v. 2, pp. 106, 109.

Type-species: Platijgaster piinctiger Nees. Monotypic.
Monocrita Foerster, 1856. Hym. Stud., v. 2, pp. 106, 109.

Type-species: Inoatennna afinas Walker. Monotypic.
Trisino!ite)iniia Kieffer, 1914. In Andre, Spec. Hym. Eur. Alg., v. 11, p. 357.

Type-species: Inostenima braesia Walker. Orig. desig.

Taxonomy: Masner, 1965. Brit. Mus. (Nat. Hist.), BuL, Ent., Sup. 1, p. 130.

Isostasius fuscipennis Ashmead
D. C.

laontasiusfnscipennis Ashmead, 1893. U. S. Natl. Mus., BuL 45: 255. ♀.

Isostasius musculus Ashmead
Fla. (Jacksonville).

hontanius musculus Ashmead, 1887. Canad. Ent. 19: 126. ♀.

Genus TETRABAEUS Kieffer

Tetrahaeus Kieffer, 1912. In Andre, Spec. Hym. Eur. Alg., v. 11, p. 87.

Type-species: Aplianonierus a)nericanus Brues. Orig. desig.
Crabroborus Muesebeck, 1963. Beitr. z. Ent. 13: 391.

Type-species: Crabroborus kronibeini Muesebeck. Orig. desig.

Taxonomy: Masner, 1964. Acta Soc. Ent. Cechoslov. 61: 148-149.

Tetrabaeus americanus (Brues)
Que., Md., Wis. Host: Ecteninius (Hypocrabro) paucimaculahis (Pack.),
Enplilis (Corynopus) rufigaster (Pack.), E. (C.) coarctata modesta (Roh.).
Aplianonierus aviericanus Brues, 1908. Wis. Nat. Hist. Soc, Bui. 6: 156. ♀.
Crabroborus kronibeini Muesebeck, 1963. Beitr. z. Ent. 13: 392. ♀, ♂.

Biology: Krombein, 1964. Biol. Soc. Wash., Proc. 77: 104-108, fig. 11.

Genus ACEROTELLA Masner

Acerotella Masner, 1964. Acta Soc. Ent. Cechoslov. 61: 148.
Type-species: Acerota evanescens Kieffer. Orig. desig.

No North American species of Acerotella have been described, but the U. S. National Museum
of Natural History has isolated specimens of the genus from Maine, New York, Maryland, and
Michigan.

Genus ALLOTROPA Foerster

Allotropa Foerster, 1856. Hym. Stud., v. 2, pp. 106, 109.

Type-species: luosteiniiia niecrida Walker. Monotypic.

The species of Allotropa are parasites of mealybugs. Some seem to be important in the control
of certain pest species.

Allotropa ashmeadi Muesebeck
Conn., Md., Va., La. Host: Pseudococcus covistocki (Kuw.), Ferrisia
I'irgata (Ckll.), Plienacoccus sp., Pitto cnpressi (Coleman).
Iphitraclielus americanus Ashmead, 1891 (1890). Ent. Soc. Wash., Proc. 2: 58. Nom. nud.




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Iphetrachelnn (!) (niiericanuH Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 250. ♂. Preocc. by
AUotropa (ni/eriania Ashmead, 1887, which is now in Inosteiiniia.

AUotropa aslniieadi Muesebeck, 1939. Canad. Ent. 71: 159. N. name.

Allotropa burrelli Muesebeck
Estab. in Conn., Del., Pa., Va., W. Va., Ohio. Introd. from Japan. Host:
Pseitdococciia conistocki (Kuw.).

AUotropa btorelli Muesebeck, 1942. Brooklyn Ent. Soc, Bui. 37: 170. ♀, ♂.

Biology: Clancy, 1944. Jour. Agr. Res. 69: 159-167. -Clausen, 1956. U. S. Dept. Agr., Tech.
Bui. 1139: 74-75.

Allotropa citri Muesebeck
Released and recovered in Calif, but doubtfully estab. Introd. from So.
China. Host: PUuiococch.s citri (Risso).
AUotropa citri Muesebeck, 1954. Brooklyn Ent. Soc, Bui. 49: 18. ♀, ♂.

Allotropa convexifrons Muesebeck
Conn., N. Y., N. J., Va.; Japan, USSR. Host: Pneudococcus co)iistocki
(Kuw.), P. lo)i()ispi)iiis (Targ.-Tozz.).
AUotropa conrexifroiin Muesebeck, 1942. Brooklyn Ent. Soc, Bui. 37: 171. ♀, ♂.

Biology: Carman, Brigham, Schread and Smith, 1943. Conn. State Agr. E.\pt. Sta., Bui. 472:
232. — Haeussler and Clancy, 1944. Jour. Econ. Ent. 37: 503-509. — Shenderovskaya, 1967.
Zashch. Rast. 12: 51. (In Russian).

Allotropa merrilli Muesebeck
Fla., La. Host: Trionymus sp. on bald cypress.

AUotropa nierriUi Muesebeck, 1954. Brooklyn Ent. Soc, Bui. 49: 20. ♀, ♂.

Allotropa utilis Muesebeck
N. S., N. H., Vt., Ont., B. C; Japan. Host: Plienacoccus aceris (Sign.), P.
perf/atidei Ckll.
AUotropa «/(7(.s Muesebeck, 1939. Canad. Ent. 71: 158. ♀, ♂.

Biology: Gilliatt, 1939. Canad. Ent. 71: 160-163. —Marshall and Pickett, 1944. Canad. Ent. 76:
19. — Wishart, 1947 (1946). Ontario Ent. Soc, 77th Ann. Rpt., p. 36. — McLeod, 1954. Ent.
Soc. Brit. Columbia, Proc 50: 19. —Murakami, 1962. Kyushu Univ. Facul. Agr., Sci. Bui. 19:
390-402. -Murakami, 1963. Kyushu Univ. Facul. Agr., Sci. Bui. 20: 229-240.

Tribe IPHITRACHELINI

The members of this group are set off sharply from the remainder of the Inostemmatinae by
their 4-segmented tarsi. Nothing is known concerning their biology or host relations.

Ta.xonomy: Masner, 1957. Acta Soc. Ent. Cechoslov. 54: 54-61. — Hellen, 1968. Notulae Ent.
48: 45. — Kozlov, 1970. Ent. Obozr. 49: 222 (English transl.: Ent. Rev. 49: 124).

Genus IPHITRACHELUS Walker

Iphitrachelns Walker, 1835. Ent. Mag. 3: 273.

Type-species: IphitrachehiH /or Walker. Monotypic.

Taxonomy: Jacksqn, 1966. Ent. Soc. Wash., Proc. 68: 265-268.

Iphitrachelus foutsi Jackson
Md. (Cabin John).

IphHrachelus foutsi Jackson, 1966. Ent. Soc Wash., Proc 68: 265. ♀.

Subfamily SCELIOTRACHELINAE

Two genera of this group occur in North America. One of these, Fidiobia Ashmead, has
generally been placed in the Inostemmatinae; the other, Atiiitiis Haldeman, in the Platygas-
trinae. In the more recent treatments of these genera, however, the two are considered as being
closely allied and as belonging in a distinct section of the family which is currently called the
subfamily Sccliotracliellnae.

Taxonomy: Brues, 1909 (1908). In Wytsman, Gen. Ins., fasc. 80, pp. 12-13. — Szabo, 1959. Mus.
Natl. Hungarici, Ann. Hist.-Nat. 51: 389-396 (proposal of tribal name Amitini for this
group). -Masner, 1964. Psyche 71: 8-11. -Kozlov, 1970. Ent. Obozr. 49: 222-223 (English
transl.: Ent. Rev. 49: 124-125).

Genus FIDIOBIA Ashmead

Fidiobia Ashmead, 1894. Cincinnati Soc. Nat. Hist., Jour. 17: 170.




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Type-species: Fidiobia flavipes Ashmead. Monotypic.
Rosneta Brues, 1908. Wis. Nat. Hist. Soc, Bui. 6: 157.

Type-species: Rosneta tritici Brues. Orig. desig.
Triclavufi Brethes, 1916. Buenos Aires Mus. Nac. de Hist. Nat., An. 27: 411.

Type-species: TriclavuH bonariensis Brethes. Monotypic.
Platyllotropa Szelenyi, 1938. Mus. Natl. Hungarici, Ann. Hist.-Nat. 31 (Zool.): 126.

Type-species: Platyllotropa gallicola Szelenyi. Orig. desig.

The species of Fibiobia, for which reliable rearing records are available, are parasitic in the
eggs of Coleoptera (Curculionidae and Chrysomelidae).

Fidiobia drakei (Ogloblin)
Iowa (Ames).

TriclavuH drakei Ogloblin, 1944. Ent. Soc. Wash., Proc. 46: 156. ♀.

Fidiobia flavipes Ashmead
N. Y., Pa., Ohio. Host: Fidia viticida Walsh.

Fidiobia Jlaripes Ashmead, 1894. Cincinnati Soc. Nat. Hist., Jour. 17: 171. ♀.

Rosneta tritici Brues, 1908. Wis. Nat. Hist. Soc, Bui. 6: 157. ♀.

Fidiobia rugosifrons Crawford
Pa., Ind. Host: Hypera punctata (F.).

Fidiobia rugosifrons Crawford, 1917 (1916). Insecutor Inscitiae Menstruus 4: 141. ♀, ♂.

Genus AMITUS Haideman

Amitus Haideman, 1850. Amer. Jour. Sci. (2)9: 109.

Type-species: Amitus aleurodinis Haideman. Monotypic.
Zacrita Foerster, 1878. Naturh. Ver. Rheinlande, Verb. 35: 46.

Type-species: Zacrita lotgicornis Foerster. Orig. desig.
Passalida Brethes, 1914. Nunquam otiosus, Buenos Aires, p. 2.

Type-species: Passalida spinifera Brethes. Orig. desig.

The species of this genus, of which the host relations are known, are parasites of Aleyrodidae.

Ta.xonomy: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 8-10. — De Santis, 1941. Soc. Brasil.
Agron., Bol. 4: 5. -Debauche, 1947. Soc. Ent. de Belg., Bui. et Ann. 83: 282. — Szabo, 1959.
Mus. Natl. Hungarici, Ann. Hist.-Nat. 51: 389-390. — Masner, 1964. Psyche 71: 9. — Hellen,
1968. Notulae Ent. 48: 46.

Amitus aleurodinis
***authority mismatch
Haideman. Mass., Conn., Pa., N. J., D. C, Fla., 111., Calif. Host: Tetraleurodes mori
(Quaint.), Trialeiirodes femaldi (Morrill), Aleuroplatus phiniosus (Quaint.), Aleiirochiton
forbesii (Ashm.).
Amitus aleurodinis Haideman, 1850. Amer. Jour. Sci. (2)9: 110. ♀, ♂.
Elaptus (!) aleurodis Forbes, 1885. 111. State Entomologist, Kept. 14: 110. ♀.
Anaplies tnelliconiis Ashmead, 1887. Canad. Ent. 19: 194. ♀.

Taxonomy: Gahan, 1927. U. S. Natl. Mus., Proc. 71 (4): 39.

Amitus arcturus Whittaker
B. C. (Hollyburn).

Amitus arcturus Whittaker, 1930. Ent. Soc. Wash., Proc. 32: 69. ♀, ♂.

Amitus spiniferus (Brethes)
Tex.; Mex., Brazil, Argentina. Host: Aleurotkrixus flocosus (Maskell).
Passalida spiniferus Brethes, 1914. Nunquam otiosus, Buenos Aires, 1914, p. 3.

Subfamily PLATYGASTRINAE

The species of this subfamily are essentially parasites of Cecidomyiidae; apparently very rare-
ly cynipid or tenthredinid gall-makers are the hosts. Some species are polyembryonic.

Revision: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 1-145 (North American species).

Taxonomy: Kozlov, 1970. Ent. Obozr. 49: 223-224 (English transl.: Ent. Rev. 49: 125-126).

Biology: Marchal, 1906. Arch, de Zool. Expt. et Gen. 34: 573-627.

Genus METANOPEDIAS Brues

Metanopedias Brues, 1910. Amer. Mus. Nat. Hist., Bui. 28: 79.
Type-species: Metanopedias sicarius Brues. Monotypic.




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Taxonomy: Jackson, 1966. Ent. Soc. Amer., Ann. 59: 734-736. —Jackson and Masner, 1966.
Canad. Ent. 98: 1214-1219.

Metanopedias brunneipes (Ashmead)
Throughout the U. S. and southeastern Canada; Mexico, Costa Rica,
and the Caribbean. Host: Apparently various cecidomyiid gall-makers.
Trichacis brunneipes Ashmead, 1887. Canad. Ent. 19: 131. ♀.
Trichasis (!) rubicola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 295, 296. ♀, ♂.
Tricltattiii (!) arizoneuHis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 295, 296. ♀, ♂. Preocc.

by Iso)lio)iibHs arizoneuHis Ashmead, 1893, when the latter was placed in Trichacis.
Metanopedian .'iicariun Brues, 1910. Amer. Mus. Nat. Hist., Bui. 28: 79. ♀.

Genus TRICHACIS Foerster

Trichacis Foerster, 1856. Hym. Stud., v. 2, pp. 108, 115.

Type-species: Plafyga.^ter pinia Walker. Desig. by Ashmead, 1893.
Trichasis Thomson, 1859. Ofvers. Kongl. Vetensk.-Akad.. Forh. 16: 70, 78. Emend.

Taxonomy: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 13-18.

Biology: Marchal, 1906. Arch, de Zool. Expt. et Gen. 34: 548-557 (Development of the

European T. ronulits (Walker) as a parasite of the Hessian fly, Maijetiola destructor

(Say)).

Trichacis arizonensis (Ashmead)
Ariz. (Ft. Huachuca).

Isorhonibu.^ arizouen.'iis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 277. ♀.

Trichacis cornicola (Ashmead)
Mo. (Kirkwood). Host: Cecidomyiid gall-maker on Conius paniculata.

Siptopeas cornicola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 286, 288. ♀, ♂.

Trichacis cornuta Fouts
Tex. (Brownwood).

Trichacis cornuta Fouts, 1925. Ent. Soc. Wash., Proc. 27: 93. ♀.

Trichacis rufipes Ashmead
D. C, Va., Fla., Mo.

Trichasis (!) rufipes Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 295. ♀, ♂.

Trichacis texana Fouts
Tex. (Brownwood).

Trichacis texana Fouts, 1925. Ent. Soc. Wash., Proc. 27: 94. ♀.

Trichacis virginiensis Ashmead
Va. (Arlington).

Trichasis (!) rirginiensis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 295, 297. ♀.

Genus ISOCYBUS Foerster

hocijbus Foerster, 1856. Hym. Stud., v. 2, pp. 108, 1 14.

Type-species: Platygaster grandis Nees. Desig. by Ashmead, 1898.

Revision: Kieffer, 1926. Das Tierreich, Lief. 48, pp. 718-732.

Taxonomy: Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 327-330. -Fouts, 1924. U. S. Natl. Mus.,
Proc. 63 (15): 10-12.

Isocybus auripes (Provancher)
Que. (Cap Rouge).

Trichacis auripes Provancher, 1888. Addit. Corr. Faune Ent. Canada Hym., p. 403. "9" =

6.

Taxonomy: Masner, 1969. Nat. Canad. 96: 783 (Lectotype selected).

Isocybus canadensis (Provancher)
Que., Ont., Mich., Iowa, Tex., Colo. The distribution and synonymy
shown here are from the literature and seem open to some doubt.
Platygaster Canadoisi.'i Provancher, 1887. Addit. Corr. Faune Ent. Canada Hym., p. 181.

6.
Monocrita Canadensis Ashmead, 1887. Canad. Ent. 19: 126. "♀"=♂.
Isocgbus nigriclai'us Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 328. ♀.

Ta.xonomy: Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 329. -Fouts, 1924. U. S. Natl. Mus.,
Proc. 63 (15): 11-12. —Masner, 1969. Nat. Canad. 96: 780.

Genus PLATYGASTER Latreille

Platygaster Latreille, 1809. Gen. Crust. Ins., v. 4, p. 31.

Type-species: Scelio ruficornis Latreille. Monotypic.




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Ephiiecen Westwood, 1833. Mag. Nat. Hist. 6: 421. Preocc. by Billberg, 1820.

Type-species: Eipti/eces en>iifer Westwood. By elimination, Foerster, 1856.
horho}iibus Foerster, 1856. Hym. Stud., v. 2, pp. 107, 112, 113. No species. — Aslimead,
1887. Canad. Ent. 19:129. One species.

Type-species: horlio)nbu.s hjialiuipeunis Ashmead. First included species.
Hypocanipnis Foerster, 1856. Hym. Stud., v. 2, pp. 108, 115. No species. —Thomson, 1859.
Ofvers. Kongl. Vetensk.-Akad., Forh. 16: 70, 82. Three species.

Type-species: Hijpocanipsis Injaliiiato Thomson. Desig. by Ashmead, 1903.
Polygnotits Foerster, 1856. Hym. Stud., v. 2, pp. 108, 115.

Type-species: PUiti/qastrr sfriolatus Nees. Orig. desig.
Aneuron Brues, 1910. Wis! Nat. Hist. Soc, Bui. 8: 49.

Type-species: Aiieiiroii Mi.HOcyclops Kieffer, 1914. //( Andre, Spec. Hym. Eur. Alg., v. 11, pp. 353, 362.

Type-species: Plafi/gaNfef oniatiis Kieffer. Monotypic.
ParepiDieces Kieffer, 1926. Das Tierreich, Lief. 48, pp. .x.x.xiv, 563, 760. N. name for
Epiiiieces Westwood.

Revision: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 23-108. —Kieffer, 1926. Das Tierreich,

Lief. 48, pp. 732-843.

Platygaster abicollis MacGown and Osgood
Maine. Host: Dasiiieinv h(ilsa)iiicol(i (Lint.).

Plutijcjasti'icibicollls MacGown and Osgood, 1971. Canad. Ent. 103: 1143. ♀, ♂.

Platygaster aciculata Ashmead
Pa.

Plutijgastcr acicniatnx Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 323, 326. ♂.

Platygaster actinomeridis (Ashmead)
D. C. Host: Cecidomyiid gall-maker on Verbesina altentifolia.

Pohignolns adniowvrklix Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 317. ♀.

Platygaster affinis Fouts
Tex. (Brownwood).

Platijgastcr ajfinin Fouts, 1925. Ent. Soc. Wash., Proc. 27: 94. ♀.
ainicola (Ashmead). D. C. Host: Dasiiicura serrulafae (0. S.).

Pohjiiu'CHx ahiicola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 278, 283. ♀, ♂.

Platygaster americana (Ashmead)
Fla.

Epin/cccs (uticricaiiHK Ashmead, 1887. Canad. Ent. 19: 129. 9, (c? misdet.).

Platygaster aneura (Provancher)
Que.

Aneurgiichus (!) (uiennis Provancher, 1887. Addit. Corr. Faune Ent. Canada Hym., p. 176.
"9"= 6.

Taxonomy: Masner, 1969. Nat. Canad. 96: 777.

Platygaster anormis (Brues)
N. Y., Mass.

Anenwii cniorniis Brues, 1910. Wis. Nat. Hist. Soc, Bui. 8: 49. ♀, ♂.

Taxonomy: Masner, 1965. Psyche 72: 301 (Lectotype designated).

Platygaster antennariae (Ashmead)
Wis. (Milwaukee). Host: Rliopalomijia cntte)nia)-iae (Whir.).

Si/nopens ciHtciuiariae Ashmead, 1893. U. S. Natl. Mus.,' Bui. 45: 286, 288. ♀, ♂.

Platygaster anura Fouts
Tex. (Brownwood).

Platiigastcf amiw Fouts, 1925. Ent. Soc. Wash., Proc. 27: 94. ♀, ♂.

Platygaster aphidis Ashmead
N. Y. (Richfield Springs).

Platggastcr aphidis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 323, 325. £.

Platygaster artemisiae (Ashmead)
Calif. (Lancaster). Host: Cecidomyiid on Artemisia califontica.

PohjgiiotHs artciinsiae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 309. ♀, ♂.

Platygaster astericola (Ashmead)
N. H. (Holderness). Host: Cecidomyiid gall-maker on Aster.

Poli/giiotns astericola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 320. ♀, ♂.

Platygaster asynaptae (Ashmead)
111. (Maywood). Host: Asi/iiapta sp. on willow.

Poltignotns asijiiaptae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 315. ♀, ♂.

Platygaster atrae Fouts
Ariz. (Fort Grand). Host: Procecidocliares atra (Loew).

Platygaster atrae Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 28, 87. ♀, ♂.

Platygaster atriplicis (Ashmead)
Calif., Idaho. Host: Cecidomyiid gall-maker on Atriplex cauesce)is.

PolggnotHs atriplicis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 304, 308. ♀, ♂.



1 178 Hymenoptera in America North of Mexico

Platygaster attenuata Walker
Ont.; Europe. Host: Dasineum alopecuri (Reuter).
Platygaster atteniuitus Walker, 1835. Ent. Mag. 3: 245. ♀, ♂.

Biology: Gilbert, 1935. Canad. Ins. Pest Rev. 13: 88. —Graham, 1965. Canada Dept. Agr.,

Inform. Bui. 4: 54.

Platygaster baccharicola (Ashmead)
Fla., Miss., La. Host: Originally cited as Cecido7}njia baccliaricola
Ashm. MS.

PohjgHotux baccharicola Ashmead, 1887. Canad. Ent. 19: 132. ♀, ♂.

Platygaster burkei (Rohwer)
Calif. (Placerville). Host: Cecidomyiid on Pi)ius ponderosa.

Polygnotus burkei Rohwer, 1917. U. S. Natl. Mus., Proc. 53: 170. ♀, ♂.

Platygaster californica (Ashmead)
Calif., Idaho. Host: Rliopalomijia californica Felt.

Polygnotus califoniicus Ashmead, 1893. U..S. Natl. Mus., Bui. 45: 302, 321. ♀, ♂.

Platygaster caryae Ashmead
N. Y. (Nyack). Host: CaryoHiyia holotrklia (0. S.).

Platygaster caryae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 323. ♀, ♂.

Platygaster coloradensis (Ashmead)
Colo., Utah, Idaho. Host: Rhopaloniyia betheliana Ckll.

Polygnotus coloradensis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 320. ♀, ♂.

Columbiana Fouts. Mo. (Cadet). Host: Cecidomyiid in elder flower bud.

Polygnotus aluicola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 310. ♀. Preocc. by
Polymecus alnicola Ashmead, 1893, p. 283, when this was placed in Platygaster.

Platygaster cohonbiana Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 29, 95. N. name.

Platygaster compressiventris (Ashmead)
D. C.

Polymecus conipressicentris Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 278, 282. ♀.

Platygaster confusa Fouts
Colo.

Ectadius pallipes Ashmead, 1890. Colo. Biol. Assoc, Bui. I: 9. ♀, ♂. Preocc. by Say, 1829.

Ectadius pollidipes Dalla Torre, 1898. Cat. Hym., v. 5, p. 486. Emend. Preocc. by Dalla
Torre, 1898.

Platygaster confusa Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 26, 44. N. name.
cynipicoia (Ashmead). Va. (Arlington). Host: Neurotenis quercu.'ibatatiis (Fitch).

Polygnotus cynipicoia Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 314. 9, "6" = 9.

Platygaster diplosidis (Ashmead)
Mass. to N. C. and w. to Calif. Host: Cecidomyia piniinopis 0. ♂.
Polygnotus diplosidis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 300, 306. ♀.
Polygnotus pinicola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 307. ♀, ♂.

Ta.xonomy: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 58-60.

Platygaster distincta Fouts
Calif. Host: Thecodiplosis piniradiatae (Snow and Mills), Cecidomyia
resinicoloides Williams.
Platygaster distincta Fouts, 1926. Ent. Soc. Wash., Proc. 28: 176. ♂.

Platygaster errans Fouts
Fla., Ga., La.

Platygaster errons Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 29, 93. ♀.

Platygaster erythropus (Ashmead)
Ont. (Ottawa).

Metaclisis erythropus Ashmead, 1888. Canad. Ent. 20: 51. "♀"=♂.

Platygaster eurotiae (Ashmead)
Calif. Host: Cecidomyiid gall-maker on Eurotia.

Polygnotus eurotiae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 315. ♀.

Platygaster euurae (Ashmead)
Mo. (St. Louis). Host: Euura s-nodiis Walsh.

Polygnotus euurae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 304, 318. ♂.

Platygaster exiguae Fouts
Colo. Host: Rhabdophaga coloradensis Felt on Salix exigua.

Platygaster exiguae Fouts, 1926. Ent. Soc. Wash., Proc. 28: 175. ♀.

Platygaster feltii Fouts
Tex. Host: Walshomyia texana Felt.

Platygaster feltii Fouts, 1920. Ent. Soc. Wash., Proc. 22: 70. ♀, ♂.

filicaudis Fouts. Fla. (Paradise Key).

Platygaster filicaudis Fouts, 1925. Ent. Soc. Wash., Proc. 27: 95. ♀, ♂.

Platygaster filicornis (Ashmead)
Ont., N. H., D. C, Wis. Host: Thecodiplosis piniresinosae Kearby and
Benjamin.
Polygnotus filicornis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 321. ♀, ♂.

Platygaster flavitarsis Fouts
Md. (Glen Echo).

Platygaster flavitarsis Fouts, 1926. Ent. Soc. Wash., Proc. 28: 176. ♀.



k



Superfamily PROCTOTRUPOIDEA 1179

Platygaster floridensis Ashmead
Fla. (Jacksonville).

Platygaster Floridensis Ashmead, 1887. Canad. Ent. 19: 132. ♀.

Platygaster fumipennis Fouts
Calif. (San Francisco). Host: Cecidomyiid gall-maker on Baccliaris pilularis.

Plaiygasterftoiiipennis Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 29, 87. ♀, ♂.

Platygaster fuscipennis Fouts
Md. (Glen Echo).

Platyya^iterfii^cipeHuis Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 26, 39. ♀.

Platygaster gahani Fouts
Calif., Oreg.

Platyyastei- yuhani Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 26, 55. ♀.

Platygaster herrickii Packard
Ont. to N. C. and w. at least to Nebr. Host: Mayetiola deatructor (Say).

Plutygaster herrickii Packard, 1880. U. S. Ent. Comn., Bui. 4: 20, 21.

Taxonomy: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 47-48. — Gahan, 1934 (1933). U. S.
Dept. Agr., Misc. Pub. 174: 14-18.

Biology: Hill and Emery, 1937. Jour. Agr. Res. 55: 199-213. —Hill, Pinckney and Udine, 1939.
U. S. Dept. Agr., Tech. Bui. 689: 1-15. -Hill and Pinckney, 1940. U. S. Dept. Agr., Tech.
Bui. 715: 4, 11. -Hill, 1953. U. S. Dept. Agr., Circ. 923: 3.

Platygaster hiemalis Forbes
Occurs throughout the wheat-growing areas of the United States from N. Y.

and Pa. to Oreg. and in southern Canada; also Europe and No. Africa. Host: Mayetiola

(le.stnictor (Say).
Platygaster herrickii Fitch, 1866. Cultiv. and Country Gent. 28: 354. Noni. niid.
Platygaster })ii>ntfii.s Lindeman, 1887. Soc. Imp. Nat. Moscou, Bui. (2) 1: 188. Preocc. by

Zetterstedt, 1838.
Platygaster hienialix Forbes, 1888. Psyche 5: 39. ♀, ♂.
Platygaster )iii)iutula Dalla Torre, 1898. Cat. Hym., v. 5, p. 474. N. name for P. minutus

Lindeman.

Taxonomy: Gahan, 1934 (1933). U. S. Dept. Agr., Misc. Pub. 174: 4-10. (See this paper for
detailed references to the early literature on P. hioiialis).

Biology: Leiby and Hill, 1923. Jour. Agr. Res. 25: 337-349. —Hill, 1926. Jour. Agr. Res. 32:
261-275. -Hill, Pinckney and Udine, 1939. U. S. Dept. Agr., Tech. Bui. 689: 1-15. —Hill and
Pinckney, 1940. U. S. Dept. Agr., Tech. Bui. 715: 3-4, 11. — Johannsen and Butt, 1941.

Embryology of insects and myriapods , pp. 311-316. —Hill, 1953. U. S. Dept. Agr., Circ.

923: 3.

Platygaster huachucae (Ashmead)
Ariz. (Ft. Huachuca). Ecology: From gall on sunflower.

Polyguotus huachucae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 316. ♀, ♂.

Platygaster hyalinipennis (Ashmead)
N. Y., Fla. Host: Caryoniyia tubicola (0. S.).
Isorho)iibus hyaliniponiis Ashmead, 1887. Canad. Ent. 19: 129. ♀.

Platygaster kalmiae Fouts
Md. (Glen Echo).

Platygaster kahuiae Fouts, 1925. Ent. Soc. Wash., Proc. 27: 95. ♂.

Platygaster laevicollis (Ashmead)
D. C, La.

Polyguotus laecicollis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 304, 320. ♂.

Platygaster lampronota Fouts
Idaho, Calif. Host: Rhopalomyia californica Felt.

Platygaster lampronota Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 26, 48. ♀, ♂.

Biology: Doutt, 1961. Ent. Soc. Amer., Ann. 54: 51.

Platygaster laticeps (Ashmead)
Fla. (Jacksonville).

Polyguotus laticeps Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 311. d, (9 misdet.).

Platygaster leguminicolae Fouts
Oreg. (Forest Grove). Host: Dasitieura leguviinicola (Lint.).

Platygaster leguuiiuicolae Fouts, 1920. Ent. Soc. Wash., Proc. 22: 69. ♀, ♂.

Platygaster linearis Fouts
S. Dak., Iowa. Host: Lasioptera echiuochloa Felt.

Polyuiecus lasiopterae Gahan, 1917. U. S. Natl. Mus., Proc. 53: 217. ♀, ♂. Preocc. by
Kieffer and Jorgensen, 1910.

Platygaster liuearis Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 29, 93. N. name,

Platygaster longiventris (Ashmead)
Fla. Host: Chilophaga gyrautis Gagne.

Isocybus lougii'oitris Ashmead, 1887. Canad. Ent. 19: 130. ♀.




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Platygaster lucida Fouts
Colo., Calif., Alaska. Host: Cecidomyiids in cones of Picea etigehinunii, P.
.sitcl>e)isis and P. ghuica.

Pl(itij(j(t>>te)- lucida Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 26, 54. ♀.

Platygaster lupinicola (Ashmead)
Calif. (San Francisco). Host: Cecidomyiid gall-maker on Lupiuns.

Poltj)iiecus Inpiiiicola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 278, 281. 9, (cJ misdet.).

Platygaster mainensis MacGown and Osgood
Maine, N. H. Host: Dashieum balsamicola (Lint.).

Plafijgastcr iintinoisis MacGown and Osgood, 1971. Canad. Ent. 103: 1144. ♀, ♂.

Platygaster marylandica
***authority mismatch
Fouts. Md. (Glen Echo).

Platt/gaster waigUuKlica Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 28, 85. ♀, ♂.

Platygaster melanocera (Ashmead)
Fla.

Stpiopcas iHi'lauocent Ashmead, 1887. Canad. Ent. 19: 130. ♀.

Plaftiguxfvr gmcU'is Ashmead, 1887. Canad. Ent. 19: 132. ♂.

Platygaster melliscapus (Ashmead)
D. C.

Pohpiu'cus nieUiscapns Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 278, 282. ♀.

Platygaster minutissima Fouts
Te.\. (Brownwood).

Platggastcr miiiiitissliiia Fouts, 1925. Ent. Soc. Wash., Proc. 27: 96. ♂.

Platygaster nigricoxa Fouts
Calif. (San Francisco). Host: Dasi)ieura liipini Felt.

Platggdster nigricoxa Fouts, 1925. Ent. Soc. Wash., Proc. 27: 147. ♀, ♂.

Platygaster nigrifemur (Ashmead)
Colo.

Ectadiii.s iiigrifoiinr Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 10. ♀, ♂.

Platygaster nigripes (Ashmead)
Colo. (Greeley).

Monocrita nigripcx Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 9. ♂.

Platygaster noveboracensis (Brues)
N. Y. (Albany). Ecology: From a cecidomyiid gall.

EritrissonicniK iioceboracenxi.s Brues, 1910. Wis. Nat. Hist. Soc, Bui. 8: 48. ♂.

Platygaster obscuripennis Ashmead
Ont., N. Y., N. H., Pa. Host: Maijetiola rigidae (0. S.).

Plafggastcr ob.' misdet.).

Platygaster oenone Fouts
B. C. (Revelstoke).

Platf/gaster oenone Fouts, 1925. Ent. Soc. Wash., Proc 27: 149. ♀.

Platygaster opaca Ruthe
Greenland; Iceland, Europe.

Platggaxter opaciis Ruthe, 1859. Stettin. Ent. Ztg. 20: 313.

Platygaster pallida Fouts
N. Y. (McLean Bogs).

Platggatiter pallida Fouts, 1925. Ent. Soc Wash., Proc 27: 148. ♂.

Platygaster pallipes Say
U. S.

Plati/goster pallipes Say, 1828. Contrib. Maclur. Lye Phila. 1: 80.

Isocj/bns pallidipes Dalla Torre, 1898. Cat. Hym., v. 5, p. 470. Emend.

Platygaster pentatoma (Ashmead)
Va. (Arlington).

Anopedias pentatoinus Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 292. ♀.

Platygaster perplexa Fouts
Colo. (Grant).

Platt/gaster perplexa Fouts, 1925. Ent, Soc Wash., Proc. 27: 96. ♂.

Platygaster picipes (Ashmead)
D. C.

Poh/niecns picipes Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 278, 282. ♀.

Platygaster pini Fouts
Wis., Mo., Colo. Host: Cecidomyiid on Pifuis edulis, Lestodiplosis JHniperi)ia (Felt).

Plafi/gaster pini Fouts, 1924. U. S. Natl. Mus., Proc 63 (15): 30, 99. 9, d.'

Biology: Haseman and McLane, 1940. Ent. Soc. Amer., Ann. 33: 614.

Platygaster pluto (Ashmead)
Fla. (Jacksonville).

Hiipocanipsis Pinto Ashmead, 1887. Canad. Ent. 19: 131. ♀.

Platygaster prolata MacGown
Ga. (Clark County).

Platygasfer prolafa MacGown, 1971. Canad. Ent. 103: 1637. ♀.

Platygaster relativa Fouts
N. H. (Holderness).

Platggaster relatiea Fouts, 1924. U. S. Natl. Mus., Proc 63 (15): 30, 104. ♀.

Platygaster rohweri Fouts
Greg., Calif. Ecology: From cones of Abies concolor and Pinus lambertiana.

Platggaster rohweri Fouts, 1924. U. S. Natl. Mus., Proc. 63: 30, 100. ♀, ♂.




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Platygaster rubi (Ashmead)
N. J., Va. Host: Lasioptera farinosa (0. S.)-

Polygnotus rubi Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 315. ♀.
rufldens Fouts. Md. (Glen Echo).

Platygaster nifidens Fouts, 1925. Ent. Soc. Wash., Proc. 27: 97. ♂.

Platygaster rufipes (Ashmead)
Va. (Arlington).

Synopeas nifipen Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 286, 287. ♀.

Platygaster salicicola (Ashmead)
Calif. (Los Angeles). Host: Cecidomyiid gall-maker on willow.

Polygyiotus salicicola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 300, 305. ♀, ♂.

Platygaster scorpoides Muesebeck and Walkley
Ont.

EctaditiK canadensis Ashmead, 1888. Canad. Ent. 20: 51. ♀. Preocc. by Provancher, 1887.

Platygaster scorpoides Muesebeck and Walkley, 1951. U. S. Dept. Agr., Agr. Monog. 2, p.
714. N. name.

Platygaster scutellator Fouts
Md. (Glen Echo).

Platygaster scutellator Fouts, 1925. Ent. Soc. Wash., Proc. 27: 96. ♂.

Platygaster semiglabra (Girault)
: N. Y. Host: Rhopaloniyia hirtipes (0. S.).

Polyniecus sewiglaber Girault, 1920. U. S. Natl. Mus., Proc. 58: 177. ♀, ♂.

Platygaster shastensis Fouts
Oreg., Calif. Ecology: From cones of Abies shastensis.

Platygaster shastensis Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 26, 53. ♀.

Platygaster signata Fouts
Te.x. (Brownwood).

Platygaster signata Fouts, 1925. Ent. Soc. Wash., Proc. 27: 97. ♀.

Platygaster solidaginis (Ashmead)
Pa. to Fla. Host: Asteronyia carbonifera (0. S.), cecidomyiid gall-
maker on Solidago.

Polijgnottis solidaginis Ashmead, 1887. Canad. Ent. 19: 131. ♀, ♂.

Polygnotus angulatus Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 304, 319. ♂.

Ta.xonomy: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 65-67. — Masner and Muesebeck,
1968. U. S. Natl. Mus. Bui. 270: 95.

Platygaster striaticeps (Ashmead)
Calif., Idaho. Host: Cecidomyiid gall-maker on Bigelovia or Artemisia.
Polygnotus striaticeps Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 308. ♀, ♂.

Platygaster striaticollis (Ashmead)
Fla. (Jacksonville).

Polygnotus .striaticollis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 304, 319. ♂.

Platygaster striatifrons Fouts
Md. (Glen Echo).

Platygaster striatifrons Fouts, 1925. Ent. Soc. Wash., Proc. 27: 98. ♂.

Platygaster tacita Fouts
Te.x. (Brownwood).

Platygaster tacita Fouts, 1925. Ent. Soc. Wash., Proc. 27: 98. ♀.

Platygaster taylori MacGown
Pa., Va. Host: Lasioptera )iodulo.sa (Beutn.).

Platygaster taylori MacGown, 1974. Canad. Ent. 106: 437. ♀, ♂.

Platygaster texana Fouts
Tex. (Uvalde).

Platygaster texana Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 28, 82. ♀, ♂.

Platygaster tumida (Ashmead)
D. C. Host: Cincticoniia symmetrica (0. S.).

Polygnotus tumid us Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 310. ♀.

Platygaster utahensis (Ashmead)
Utah, Idaho. Host: Cecidomyiid gall-maker on Artemisia tridentata.

Polygnotus utahensis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 314. ♂.

Taxonomy: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 68-69. —Masner and Muesebeck,
1968. U. S. Natl. Mus. Bui. 270: 96.

Platygaster vancouverensis (Ashmead)
B. C. (Vancouver IsL).

Polyniecus vancoucerensis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 278, 281. ♀.

Platygaster variabilis Fouts
N. C, Mo. Host: Rhopalonnjia Carolina Felt or R. .'iolidaginis (Loew) on
goldenrod.
Platygaster rariabilis Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 30, 106. ♀, ♂.

Platygaster vernoniae (Ashmead)
Va. (Arlington). Ecology: From gall on Venio)iia noveboracensis.

Polygnotus rernoniae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 302, 317. ♀, ♂.

Platygaster virginiensis (Ashmead)
Mass., N. H.. Pa., Md., D. C, Va. Host: Thecodiplosis
cupressianauassa (0. S.).
Polygnotus virginiensis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 309. ♀, ♂.



1 182 Hymenoptera in America North of Mexico

Polygnotm proxinnis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 312. ♀, ♂.

Taxonomy: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 77-79.

Platygaster viticola (Ashmead)
D. C. Host: Lasioptem vitis 0. ♂.

Polygnotus viticola Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 301, 313. ♀, ♂.

Platygaster websteri Fouts
Ohio.

Platygaster webnteri Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 26, 50. ♀.

Platygaster zosine Walker
N. Y., s. to Va. and w. to Iowa and Mo. Host: Mayetiola destnictor (Say).

Platygaster zosine Walker, 1836. Ent. Mag. 3: 266. ♂.

Polygnotus zozini Marchal, 1897. Soc. Ent. de France, Ann. 66: 93. Emend.

Platygaster longicamlatus Kieffer, 1906. Soc. Sci. de Bruxelles, Ann. 30: 131. ♀, ♂.

Platygaster brecicaiidatiis Kieffer, 1906. Soc. Sci. de Bruxelles, Ann. 30: 133. ♀, ♂.

Polygnotus venial is Myers, 1917. U. S. Natl. Mus., Proc. 53: 256. ♀, ♂.

Taxonomy: Gahan, 1934 (1933). U. S. Dept. Agr., Misc. Pub. 174: 10-14.

Biology: Hill, 1922. Ent. Soc. Wash., Proc. 34: 111-113. -Hill, 1923. Jour. Agr. Res. 25: 31-42.
—Leiby and Hill, 1924. Jour. Agr. Res. 28: 829-839. —Hill, Pinckney and Udine, 1939. U. S.
Dept. Agr., Tech. Bui. 689: 8-9. -Hill and Pinckney, 1940. U. S. Dept. Agr., Tech. Bui. 715:
3-4, 11. -Hill, 1953. U. S. Dept. Agr., Circ. 923: 1-15.

Genus EUXESTONOTUS Fouts

Euxestonotiis Fouts, 1925. Ent. Soc. Wash., Proc. 27: 98.

Type-species: Platygaster error Fitch. Orig. desig.
Eoxestonotns Debauche, 1947. Soc. Ent. de Belg., Bui. et Ann. 83: 267.

Type-species: Eoxesto)iotus pini Debauche. Orig. desig.

Taxonomy: Fouts, 1925. Ent. Soc. Wash., Proc. 27: 98-100 (Key to No. Amer. species).
—Ghesquiere, 1948. Soc. Ent. de Belg., Bui. et Ann. 84: 42-43. — Masner, 1964. Acta Soc.
Ent. Cechoslov. 61: 151-152.

Euxestonotus brevicornis Fouts
Md., Ohio. Host: Cecidomyiid on phlox.

Euxestonotiis brevicornis Fouts, 1925. Ent. Soc. Wash., Proc. 27: 99. ♀.

Euxestonotus error (Fitch)
Conn., N. Y., Pa., Md., D. C, Va., Ind. and possibly throughout the range of its
host, the wheat midge. Host: Sitodiplosis ntosellana Gehin.

Platyga.'iter error Fitch 1861 (1860). N. Y. State Agr. Soc, Trans. 20: 838.

Taxonomy: Gahan, 1934 (1933). U. S. Dept. Agr., Misc. Pub. 174: 18-22.

Biology: Gahan, 1934 (1933). U. S. Dept. Agr., Misc. Pub. 174: 21-22.

Euxestonotus flavipes Fouts
Md. (Glen Echo).

EnxestoHotusflavipes Fouts, 1925. Ent. Soc. Wash., Proc. 27: 99. ♀.

Euxestonotus rufidens Fouts
Pa. (Carlisle).

Euxestonotus rufidens Fouts, 1925. Ent. Soc. Wash., Proc. 27: 99. ♂.

Genus ERITRISSOMERUS Ashmead

Eritrissouierus Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 363, 364, 398.
Type-species: Erifrissoiiierus cecidoniyiae Ashmead. Orig. desig.

Revision: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 19-23.

Taxonomy: Masner, 1964. Acta Soc. Ent. Cechoslov. 61: 150.

Eritrissomerus cecidomyiae Ashmead
Fla. (Jacksonville). Host: Cecidomyiid gall-maker on hickory.

EritrisKonierus cecidomyiae Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 299. ♀, ♂.

Eritrissomerus floridanus (Ashmead)
Fla. (Jacksonville).

Polygnotus floridan us Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 304, 318. "♂"=♀.

Eritrissomerus pallipes Harrington
Que. (Hull).

Eritrissoinerus pallipes Harrington, 1899. Roy. Soc. Canada, Trans. (2) 5: 191. ♀, ♂.

Eritrissomerus parvus Fouts
Md. (Cabin John).

Eritrisson/erus parvus Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 19, 22. ♀.



Superfamily PROCTOTRUPOIDEA 1183

Genus PIESTOPLEURA Foerster

Catillus Foerster, 1856. Hym. Stud., v. 2, pp. Ill, 144. Preocc. by Brongniart, 1822.

Type-species: Platygaster catillus Walker. Monotypic.
PieHtopleum Foerster, 1856. Hym. Stud., v. 2, p. 144. N. name.

Revision: Kieffer, 1926. Das Tierreich, Lief. 48, pp. 627-631.

Taxonomy: Debauche, 1947. Soc. Ent. de Belg., Bui. et Ann. 83: 272.

Piestopleura platygaster (Fouts)
D. C.

Leptacis plattjgasfer Fouts, 1925. Ent. Soc. Wash., Proc. 27: 100. ♀.

Ta.\onomy: Masner and Muesebeck, 1968. U. S. Natl. Mus. Bui. 270: 83.

Genus SYNOPEAS Foerster

Si/Hopeas Foerster, 1856. Hym. Stud., v. 2, pp. 108, 114. No species. —Thomson, 1859.
Ofvers. Kongl. Vetensk-Akad., Forh. 16: 71. Thirteen species.

Type-species: Si/Hopms ineniiis Thomson. Desig. by Muesebeck and Walkley, 1951.
Edadiits Foerster, 1856. Hym. Stud., v. 2, pp. 108, 113, 114, 144.

Type-species: Platfigastcr cratents Walker. Monotypic.
Polipiiecns Foerster, 1856. Hym. Stud., v. 2, p. 144. N. name, unnecessarily proposed for
Ectadiiis Foerster, which Foerster thought to be preocc. by Ecfadiinn E. Meyer in
Botany.
Sadoyastcr Foerster, 1856. Hym. Stud., v. 2, pp. 108, 113.

Type-species: Epiii/eccs centralis Westwood. Desig. by Ashmead, 1893.
Sijnopias Ashmead, 1896. Zool. Soc. London, Proc. for 1895, p. 802. Error.
Dol idiot rapes Crawford and Bradley, 1911. Ent. Soc. Wash., Proc. 13: 124.

Type-species: Dot idiot rij pes hopkinsi Crawford and Bradley. Orig. desig.

Ta.xonomy: Ghesquiere, 1948. Soc. Ent. de Belg., Bui. et Ann. 84: 44. —Masner, 1960. Rev. de
Zool. et de Bot. Africaines 62: 3-5. —Masner, 1964. Acta Soc. Ent. Cechoslov. 61: 149-150.
— Muesebeck and Masner, 1967. U. S. Dept. Agr., Agr. Monogr. 2, Sup. 2, pp. 302-304.

Synopeas abdominator (Fouts)
Tex. (Brownwood).

Leptacis abdominator Fouts, 1925. Ent. Soc. Wash., Proc. 27: 101. ♀.

aciculatum (Fouts). Md. (Glen Echo).

Leptacis aciculata Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 115, 134. ♀, ♂.

Synopeas angustulum (Fouts)
Md. (Glen Echo).

Leptacis angnstitla Fouts, 1925. Ent. Soc. Wash., Proc. 27: 100. ♀.

Synopeas anomaliventre (Ashmead)
N. H., Pa., Md., Fla., La.

Sactogaster aiioiiialirentris Ashmead, 1887. Canad. Ent. 19: 130. ♀.
ashmeadii Dalla Torre. Colo. (Westcliffe).

Si/nopeas iiienins Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 10. ♀. Preocc. by Thomson,
' 1859.

Sijnopeas ash mead ii Dalla Torre, 1898. Cat. Hym., v. 5, p. 483. N. name.

Synopeas auripes (Ashmead)
Va.

Polgmecns anripes Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 278, 283. ♀.

Synopeas bradleyi (Fouts)
N. Y. (Ithaca).

Leptacis hradlegi Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 118, 132. ♀.

Synopeas breviventre (Ashmead)
D. C.

Leptacis hrericeiitris Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 273. 9,(6 misdet).

Synopeas carinator (Fouts)
Tex. (Brownwood).

Leptacis carinator Fouts, 1925. Ent. Soc. Wash., Proc. 27: 101. ♀.

Synopeas cynipsiphilum (Ashmead)
Fla. (Jacksonville). Ecology: Reared from an oak gall.

Leptacis ciiiiipsiphila Ashmead, 1887. Canad. Ent. 19: 129. 9, (6 misdet).

Synopeas dubiosum (Fouts)
Tex. (Brownwood).

Leptacis diibiosa Fouts, 1925. Ent. Soc. Wash., Proc. 27: 101. ♂.

Synopeas flavicorne (Ashmead)
D. C.

Leptacis fla ciconi is Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 275. 9, (c^ misdet.).




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Synopeas floridanum (Ashmead)
Fla. (Jacksonville).

Leptacisfloridanus Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 272. cJ, (9 misdet.).

Synopeas foutsi Masner
Md. (Cabin John).

Sacfogasfer lonyivvnivis Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 110, 111. ♀. Preocc. by
Ashmead, 1893.

Synopeas foutsi Masner, 1967. bi Krombein and Burks, U. S. Dept. Agr., Agr. Monog. 2,
Sup. 2, p. 303. N. name.

Synopeas globatum (Fouts)
D. C.

Leptacis (jlobata Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 11, 139. ♀, ♂.

Synopeas hopkinsi (Crawford and Bradley)
Mass., N. Y., W. Va., N. C, Fla.

Dolichotiiipcs hopkiuxi Crawford and Bradley, 1911. Ent. Soc. Wash., Proc. 13: 124. ♀.
("d" = 9 of another species).

Synopeas howardii (Ashmead)
D. C.

Sactogastcr Hotcanlii Ashmead, 1888. Canad. Ent. 20: 52. ♀.

Synopeas incertum (Ashmead)
Fla. (Jacksonville).

Anopedldn inccrtiis Ashmead, 1887. Canad. Ent. 19: 130. ♀.

Synopeas longiventre (Ashmead)
D. C, Va.

Lrptacis longh'vntns Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 273. ♀, ♂.
tnacuiipes (Ashmead). Fla. (Jacksonville).

Cat ill Its niaciilipes Ashmead, 1887. Canad. Ent. 19: 128. ♀.

Synopeas mucronatum (Fouts)
Pa. (Carlisle).

Sactogaster mucronata Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 110, 114. ♀.

Synopeas nigripes Ashmead
D. C.

Si/uopeas nigripes Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 286. ♂.

Synopeas pennsylvanicum (Fouts)
Pa., Ohio. Host: Cecidomyiid on phlox.

Leptacis pcniis!ilcanica Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 117, 120. ♀.
pubescens (Ashmead). D. C, 111.

Leptacis pubescens Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 275. ♂.

Synopeas punctatum (Ashmead)
D. C, Va., Fla.

Leptacis punctatus Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 272. ♀, ♂.

Synopeas rufiscapus Ashmead
Fla.

Sy7iopeas rufiscapus Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 286, 288. ♀, ♂.

Synopeas rugosiceps (Kieffer)
Va., Mich.

Leptacis rugiceps Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 272. 9, {6 misdet.).
Preocc. by A)iiblijaspis rugiceps Ashmead, 1893, when both were placed in Leptacis.

Leptacis ash nieadi' Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 117, 124. N. name. Preocc.
by Dalla Torre, 1898.

Leptacis rugosiceps Kieffer, 1926. Das Tierreich, Lief. 48, pp. 637, 644. N. name.

Synopeas striatifrons (Ashmead)
Fla. (Jacksonville).

Leptacis striatifrons Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 273. ♀.

Synopeas texanum (Fouts)
Tex. (Brownwood).

Leptacis tejcana Fouts, 1925. Ent. Soc. Wash., Proc. 27: 102. ♂.

Synopeas varipes (Harrington)
Que. (Hull).

Sactogaster raripes Harrington, 1899. Roy. Soc. Canada, Trans. (2) 5: 190. ♀, ♂.

Genus GASTROTRYPES Brues

Gastrotrgpes Brues, 1922. Amer. Acad. Arts and Sci., Proc. 57: 270.
Type-species: Gastrotrgpes spatulafus Brues. Orig. desig.

Gastrotrypes caudatus Brues
Mass. (Boston).

Gastrotrgpes caudatus Brues, 1922. Amer. Acad. Arts and Sci., Proc. 57: 272. ♀.

Genus LEPTACIS Foerster

Leptacis Foerster, 1856. Hym. Stud., v. 2, pp. 107, 112.

Type-species: Iclnieunion tipulae Kirby. Desig. by Ashmead, 1893.




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XestonotuH Foerster, 1856. Hym. Stud., v. 2, pp. 107, 112. No species. — Ashmead, 1887.
Canad. Ent. 19: 128. One species. Preocc. by Leconte, 1853.

Type-species: Xestonofim andriciphilns Ashmead. First included species.
Cemtacis Thomson, 1859. Ofvers. Kongl. Vetensk-Ai
Type-species: CerataciH fhwipes Thomson. Monotypic.
Tricholeptacis Kieffer, 1914. In Andre, Spec. Hym. Eur. Alg., v. 11, p. 357.

Type-species: A)iihlyaspi.s rerticillatus Ashmead. Orig. desig.
Xestonotidea Gahan, 1919. U. S. Natl. Mus., Proc. 56: 524. N. name for Xe.stonotits

Foerster.
ProKa))ibl!i(inpi>i Kieffer, 1926. Das Tierreich, Lief. 48, pp. 561, 610.

Type-species: Aiiiblija.spis flarosigiiatiis Kieffer. Monotypic.
Axesto)ioti(y Kieffer, 1926.' Das Tierreich, Lief. 48, pp. 561, 625. N. name for Xestonotus

Foerster.
Proleptdcis Kieffer, 1926. Das Tierreich, Lief. 48, pp. 562, 632.

Type-species: Leptacis focrsteri Kieffer. Orig. desig.
Amicoriiplw Debauche, 1947. Soc. Ent. de Belg., Bui. et Ann. 83: 247.

Type-species: Anacoriiplw orclnj)iioiiti Debauche. Orig. desig.
Maudmka Risbec, 1953. Inst. Sci. de Madagascar, Mem. 3: 343.

Type-species: Mandraka paiilicnii Risbec. Monotypic.

Revision: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 115-126 (No. Amer. species). —Kieffer,
1926. Das Tierreich, Lief. 48, pp. 635-651 (World fauna). — Masner, 1960. Rev. de Zool. et
de Hot. Africaines 62: 1-34 (African species).

Leptacis aliena Fouts
Md. (Glen Echo).

Leptacis aliena Fouts, 1927. Ent. Soc. Wash., Proc. 29: 176. ♀, ♂.

Leptacis americana (Ashmead)
Que. to Fla.

Ainblj/aspis Ainericana Ashmead, 1887. Canad. Ent. 19: 129. ♀.

Leptacis andriciphila (Ashmead)
Fla. (Jacksonville).

XextoHotus andriciphiliis Ashmead, 1887. Canad. Ent. 19: 128. ♀.

Leptacis gahani Fouts
Md. (Glen Echo).

Leptacis gahani Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 117, 123. ♀, ♂.

Leptacis longipes (Ashmead)
Fla. (Jacksonville).

Awblyaspis longipes Ashmead, 1887. Canad. Ent. 19: 128. ♂.

Leptacis longispina Fouts
Md.

Leptacis longispina Fouts, 1927. Ent. Soc. Wash., Proc. 29: 175. ♀, ♂.

Leptacis minuta (Ashmead)
Mo. (St. Louis). Host: Cecidomyiid on squash.

Aniblyaspis minutus Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 267, 269. ♀, ♂.

Leptacis obscuricornis Fouts
Iowa (Ames).

Leptacis obscuricornis Fouts, 1924. Ent. Soc. Wash., Proc. 26: 161. ♀.

Leptacis pallipes Fouts
D. C.

Leptacis pallipes Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 117, 121. ♀.

Leptacis puncticeps Ashmead
Pa., N. C, Fla.

Leptacis puncticeps Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 271, 275. ♂.

Leptacis rugiceps (Ashmead)
D. C.

Aniblyaspis rngiceps Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 267, 269. ♀, ♂.

Ta.xonomy: Fouts, 1924. U. S. Natl. Mus., Proc. 63 (15): 122. —Masner and Muesebeck, 1968.
U. S. Natl. Mus. Bui. 270: 82.

Genus AMBLYASPIS Foerster

Aniblyaspis Foerster, 1856. Hym. Stud., v. 2, pp. 107, 112.

Type-species: Platygaster triiici Curtis. Desig. by Kieffer, 1926.

Revision: Kieffer, 1926. Das Tierreich, Lief. 48, pp. 610-625.

Amblyaspis californica Ashmead
Oreg., Calif.

Aniblyaspis californicus Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 267, 268. ♀, ♂.




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Amblyaspis occidentalis Ashmead
111., Kans.

Anihiyaspis occidentalis Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 267. ♀.

Amblyaspis petiolata Ashmead
Fla.

Anihlya.spi>i petiolatns Ashmead, 1893. U. S. Natl. Mus., Bui. 45: 267, 268. ♀, ♂.




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