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Ashmeadiella bigeloviae (Cockerell, 1897) Heriades bigeloviae Cockerell, 1897
Life
Insecta
Hymenoptera
Apoidea
Megachilidae
Ashmeadiella
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See
| IDnature guides | Overview |
This is a rather small, coarsely punctate species, black with the middle and hind legs largely red. The pubescence is not as abundant as in haemato- poda and rhodopus.
| Female: Inner margins of eyes converging below; under side of flagellum dusky; punctation of head coarse and close, cheeks more finely punctate than rest of head; clypeus with apical truncation bounded by more distinct angles than in haematopoda or rhodopus, truncation nearly as broad as distance from end of truncation to lateral angle of clypeus; distance from first to third mandibular tooth less than width of eye or length of last three antennal segments; anterior ocellus posterior to midpoint between bases of antennae and posterior edge of vertex. Scutum with punctures similar to those of vertex but more widely separated; scutum with distinct band of pubescence around it, so that there are no separate spots of pubescence anteriorly; punc- tures of mesepisterna finer than those of scutum; tegulae testaceous; middle femora and hind femora and tibiae red, fore femora, middle tibiae, and hind metatarsi sometimes reddish in part; inner margin of inner hind tibial spurs with fourteen small teeth, outer margin with about nine large teeth; inner margin of outer spurs with about five large, oblique teeth, outer margin with about seven oblique teeth. Abdomen quite coarsely punctate; posterior mar- gins of tergites reddish. Length 5V2 to 6? mm. Male: Similar to female. Anterior margin of clypeus with conlcavity over half as long as basal width of clypeus and demarked by distinct angles; tarsi reddish; inner margin of inner hind tibial spurs with about twelve teeth, outer margin with about eight teeth; lateral teeth of sixth tergite short and acutely pointed, median teeth rather translucent, about as wide as long, rounded, concavity between them wider than a semi-circle. Length 4V2 to 5v2mm.
This species occurs in the desert and arid regions of Texas, New Mexico, Arizona and California
TEXAS: LI Paso, April 5, 1902. NEW MEXICO: Alamogordo, April 17, 1902. ARIZONA: Florence, May 30, August 10, 1903 (C. R. Biederman); Yuma, April 1937; Bill Williams Fork, August (F. H. Snow, Univ. of Kansas); Tempe (J. Bequaert, Mus. Comp. Zool.) CALIFORNIA: Lone Pine, Inyo County, May 24, 1937, on Heliofropium curassasvicum (C. D. Michener); Mazourka Canyon, Inyo Mountains, Inyo County, California, May 25, 1937, on Parosela fremoniii (C. D. Michener); Hinkley, October 7, 1928, on Isocoma acradenia; Riverside, April 19, 1925, on Gulierrezia californica; La Quinta, April 7, 1936, on Cercidium torrevanum and Larrea glutinosa; Oasis, March 27, 1934, on Cercidium torreyanum; five miles south of Coachella, March 7, 1936, on Heliotropium curassa-vicum; Box Canyon, April 13, 1934, on Acacia greggii; Westmoreland, May 31, 1930, on Sesuvium sessile and Heliotropium curassavicum; ten miles west of Twenty-nine Palms, April 13, 1935, on Isomeris arborea (all P. H. Timberlake); Twenty-nine Palms, August 3, 1933, on Wislizenia refracta (P. H. Timberlake), and April 14, 1938 (G. E. and R. M. Bohart); San Felipe Road, San -Diego County, April 18, 1934; Shavers Well, Riverside County, April 8, 1934; Dos Palmos, Riverside County, March 19, 1934; Cathedral City, Riverside County, April 10, 1936, on Cercidium torreyanum (C. D. Michener); five miles west of Indio, April 10, 1936, on same plant; two miles east on Indio, April 10, 1936, on Geraea canescens (C. D. Michener)
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