Smithsonian Institution, Entomology Department · 9
Ashmeadiella foxiella, female, face |
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Smithsonian Institution, Entomology Department · 9
Ashmeadiella foxiella, female, side |
Smithsonian Institution, Entomology Department · 9
Ashmeadiella foxiella, female, top |
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Smithsonian Institution, Entomology Department · 9
Ashmeadiella foxiella, female, wing |
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Overview |
Species account taken from: "A Revision of the Genus Ashmeadiella (Hymen., Megachilidae) Author(s): Charles D. Michener Source: American Midland Naturalist,Vol. 22, No. 1 (Jul., 1939), pp. 1-84"
This is a black species without red markings. The pubescence is rather sparse, that of the dorsum of head and thorax ochraceous. This species is the only known black male Arogochila. Although several black females are known, foxiella cannot be associated with any of them. A. neomexicana is a species of the southern desert areas, while sculleni is too large to be the female of the present species. In addition to the black color, the coarsely and comparatively sparsely punctate clypeus, without a distinct emargination anteriorly, separates this species from its relatives.
Male: Inner margins of eyes about parallel, lower thirds strongly diverg- ing; under side of flagellum dusky; clypeus not covered by hair; clypeus con- vex, shiny, with coarse punctures separated by about half their diameters; anterior margin of clypeus with a hardly concave truncation, the ends of which are rounded; truncation shorter than basal width of clypeus; apex of labrum faintly bilobed; mandibles slightly reddish; cheeks as wide as eyes, seen from side; frons and supraclypeal area very closely punctate, more finely so than clypeus; vertex with punctures of same size as frons, but a little more dis- tinctly separated; anterior ocellus posterior to midpoint between bases of antennae and posterior end of vertex. Scutum without pair of pubescent spots anteriorly, punctures of disc a very little finer and more distinctly separated than those of vertex, usually separated by about one-third their diameters; punctures of anterior part of scutum considerably finer than those of disc; punctures of mesepisterna much like those of disc of scutum; wings slightly dusky; tegulae dark piceous; outer margin of inner hind tibial spurs with seven rather large oblique teeth; outer spurs with four or five oblique teeth on each side. Punctures of abdomen fairly strong, only a little finer than those of scutum, those of dorsum of second tergite separated by about their diameters except at base of tergite where they are finer and close; posterior margins of abdominal segments brownish; tergites one to five with apical bands of pale pubescence; median teeth of sixth tergite somewhat longer than basal width) broadened basally, apical parts slender, concavity between them longer than a semicircle. Length 6 1/2 mm.
Holotype (Calif. Acad. Sci., Ent. No. 4743): Eagle Ridge, Klamath Lake, Oregon, May 31, 1924 (C. L. Fox). A paratype (length 5 mm.), topotypical, June 3, 1924. Three specimens from Truckee, California, June 20, 1927 (E. P. Van Duzee) belong to the same species. In these the apex of the labrum is not emarginate, and in one of them the inner orbits converge slightly toward the clypeus except for their lower thirds
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Updated: 2024-04-27 05:54:06 gmt
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