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Andrena singularis Viereck, 1924
Life   Insecta   Hymenoptera   Apoidea   Andrenidae   Andrena

Overview
Reprinted with permission from: Viereck, H. L. 1924. Prodromus of Andrena, a genus of bees. Canadian Entomologist 56: 19-24, 28-32, 76-81, 237-244.

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Related to A. (A.) edwardsi Vier.

FEMALE. — Length 11mm; body black, mostly covered with pale ochreous hairs; head covered with dark or blackish and ochreous hairs, fovea filled throughout with dark seal brown hairs, vertex, front, temples along the upper edge of the eye, face along inner eye margin, cheeks and occiput with dark brown or black hairs, face mostly polished, partly indistinctly reticulate, with distinct punctures that are mostly not more then three puncture widths apart, clypeus distinctly elevated above the apical margin, convex, at base and laterally sculptured like the face, elsewhere mostly nearly polished and with larger punctures than the face, clypearea present but poorly defined, clypeus thinly hairy, its sculpture not all hidden by hairs, labrarea seen from the front subemarginate, seen from beneath rounded emarginate, labrum with a median longitudinal welt between the labrarea and apical edge of labrum, antennae brownish except for the first, second and third joints, which are blackish throughout, mandibles typical, robust, palpi nearly typical; thorax covered with an abundance of ochreous hairs that are shorter on the dorsulum than the ochreous and blackish hairs on the mesopleura, mesopleurae with blackish hairs on the anterior and posterior border, scutel hairy and sculptured much like the dorsulum, legs blackish except for the small joints of the tarsi which are more or less reddish, covered with brownish golden and pale ochreous hairs, scopa typical, its hairs of the lower third pale ochreous, of its upper two-thirds brownish, hairs at base above blackish; propodeum with its enclosure poorly defined, dullish and finely reticulated, rest of upper face of propodeum covered with finer pale ochreous hair than mesopleura; abdomen with its tergum shining, nearly bare, the first and second tergites with erect whitish hairs, apical edge of the first, second, third and fourth tergites with a brownish border, pygidium planate, nearly pointed at apex, tergum with inconspicuous, blackish hairs on the tergites beyond the second, fimbria dark seal brown.

HOLOTYPE. — Female, Invermere, B.C, May 19, 1915, (F.W.L. Sladen), No. 674, in the Canadian National Collection.

Paratypes with the same data as the type, another paratype as follows, Gold stream, B.C., July 27, 1902.

Names
Scientific source:

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Updated: 2024-03-29 11:36:42 gmt
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