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Page 1683
Top-1+1OriginalDatabase of Hymenoptera in America north of MexicoHighertaxa

Superfamily SPHECOIDEA
Family MELLINIDAE

This small family contains only two subfamilies, Xenosphecinae and Mellininae, which appear
to be more closely related to one another than either is to any other family of Sphecoidea. The
former subfamily is known only from the southwestern deserts of North America. The latter is
Holarctic and Neotropical in distribution. Both subfamilies nest in the ground and prey upon
Diptera.

Subfamily XENOSPHECINAE

Genus XENOSPHEX Williams

Xenosphex Williams, 1954. Wasmann Jour. Biol. 12: 97.

Type-species: Xenosphex xerophila Williams. Orig. desig.

Revision: Parker, 1966. Pan-Pacific Ent. 42: 190-195, 8 figs.

Xenosphex boharti Parker
Calif. (Inyo Co.).

Xenosphex boharti Parker, 1966. Pan-Pacific Ent. 42: 191, figs. 1, 2, 6, 7. ♂, ♀.

Xenosphex timberlakei Williams
Southeast. Calif., northwest. Ariz., south. Nev. Ecology: Nests in sand.
Prey: Lordotus viiscellus Coq.
Xenosphex timberlakei Williams, 1955. Wasmann Jour. Biol. 13: 313. ♀.

Biology: Parker, 1966. Pan-Pacific Ent. 42: 194-195 (nest, prey transport).

Xenosphex xerophilus Williams
South. Calif, and Nev., northwest, and south. Ariz.

Xenosphex xerophila Williams, 1954. Wasmann Jour. Biol. 12: 99, figs. 1-6. ♂ (♀ misdet.).

Taxonomy: Williams, 1955. Wasmann Jour. Biol. 13: 313. ♀.




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Subfamily MELLININAE

Taxonomy: Maidl and Klima, 1939. Hym. Cat., Pars 8, Sphecidae, v. 1, pp. 30-43 (world
catalog). —Evans, 1959. Amer. Ent. Soc, Trans. 85: 145-147, figs. 23-30 (larva).

Genus MELLINUS Fabricius

MelUnus Fabricius, 1790. Skrivt. Naturhist. Selsk., h. 1, p. 226.

Type-species: Vespa arvensis Linnaeus. Desig. by Curtis, 1836.
Milliynus Gimmerthal, 1836. Soc. Imp. Nat. Moscow, Bui. 9: 449. Lapsus or emend.

Nothing is known of the biology of the North American species. The European arvensis (L.)
nests gregariously in the ground, makes multicelled nests with each cell on a branch off the main
burrow, preys primarily on muscoid Diptera and stores 4-9 flies per cell.

Revision: Fox, 1894. Ent. News 5: 201-203 (N. Amer. spp.).

Taxonomy: Siri and Bohart, 1974. Pan-Pacific Ent. 50: 169-176, 16 figs, (synopsis of world
spp.).

Mellinus abdominalis Cresson
Nebr., Colo., Wyo., Mont.

Mellhius abdominalis Cresson, 1882 (1881). Amer. Ent. Soc, Trans. 9: Proc, p. xxxix. ♀, ♂.
Mellinus abdominalis var. personatus Fox, 1894. Ent. News 5: 202. ♀.

Mellinus bimaculatus Packard
Maine, N. H., Mass., N. Y., Pa., N. J., Ohio, Mich.; Mexico (Jalisco,
Oaxaca).
Mellinus bimaculatus Harris, 1835. In Hitchcock, Rpt. Geol. Mineral. Hot. Zool. Mass., p.

68. Norn. nud.
Mellinus bimaculatus Packard, 1867. Ent. Soc. Phila., Proc. 6: 419. ♀.
Mellinus wolcotti Smith, 1908. Ent. News 19: 299. ♀.

Mellinus imperialis Bohart
Calif. (Imperial Co.); Mexico (Sonora).

Mellinus imperialis Bohart, 1968. Pan-Pacific Ent. 44: 235, fig. 14. ♂, ♀.

Mellinus rufinodus Cresson
Mont, Colo., S. Dak., Tex., N. Mex., Ariz., Utah; Mexico (Chihuahua,
Durango, Guerrero, Mexico, Aguascalientes).
Mellinus rufinodus Cresson, 1865. Ent. Soc. Phila., Proc. 4: 475. ♀, ♂.


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