Reprinted from Kirby. 1837. Fauna Boreali-americana. 4: 268. The copyright on this work has expired.
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A (impuncta) nigra albiilo villosa tibiůs posticus scopa alba; abdomine lavi, untice albido, postice nigra, pilosa.
Impunctured Andrena, black with white hairs, brush of the posterior tibiae white; abdomen impunctured, anteriorly cloathed with white hairs and posteriorly with black.
Length of the body 5.5 lines
A single specimen taken in the Journey from New York to Cumberland-house. DESCRIPTION. — Female. Body black. cloathed with rather long whitish hairs, especially the face below the antennae; hairs of the thorax rufescent; wings subhyaline a little darker at the tip; nervures testaceous, post-costal black; brush of the posterior tibia white; abdomen impunctured with the hairs of its anterior half white; the other hairs above and below black.
This species a good deal resembles Andrena nitida but the abdominal segments of that species are minutely punctured at the base which is not the case with this, and the brush of the posterior tibiae is of a different colour.