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Extracted from: Viereck, H.I., Cockerell, T.D.A., Titus, E.S.G., Crawford J.C., Swenk M.H. (1905). Synopsis of bees of Oregon, Washington, British Columbia and Vancouver. The Canadian Entomologist pp. 277 - 287.
Female. 9mm. Head rather dullish; cheeks, Vertex, occiput and front almost uniformly closely rugulosely punctured, the cheeks less coarsely so than the vertex and front, a distinct kell from a point on a line with the anterior edge of the antennal fossae to the middle of the front, from there on contiuned close to the anterior ocellus as a raised line; supraclypeal punctures, the latter with sparse, rather distinct punctures; labrum closely rugulose, with two rather distinct, well-separated longitudinal raised lines in the middle of the anterior hald; malar space completely obliterated; scape as long as the pedicellum and first two joint of the flagellum combined, first joint of the flagellum about two-thirds the length of the second middle third of the face transversely covered more or less with whitish appressed pubescence; upper part of frontal vertex and occiput with brownish, more or less erect pubescence, cheeks with inconspicuous appressed whitish and brownish pubescence
Thorax dullish, almost uniformly closely rugulosely punctured like
tlu clzeeks / dorsulul11 with inconspicuous appressed brownish pubescence,
with a short longitudinal stripe of yellowish pubescence on each side of
the middle, the edge of the tegulce and the posterior edge of the dorsulum
with a: narrow border of yellowish pubescence; piothorax with inconspicuous pubescence except the pronotum,' which is covered with yellowish
appressed pubescence; scutellum with inconspicuous appressed brownish
pubescence, the posterior margin with yellowish appressed pubescence;
postscutellum with appressed yellowish pubescence; metanotum rather
fiat, the funnel shave area smooth and bare, rather shining and impunctate, remainder of the metathorax with brownish appressed pubescence
except along the edge of the area, where there is some pale appressed
pubescence; mesoplcura to a gre2t extent, and sternum, covered' with
appressed brownish pubescence, the mesoplenra with a rather broad band
of yellowish appressed pubescence on the anterior edge of the upper half
of the sclerite; extending off from this band obliquely downward and
backward is a short band nearly as wide as the band from which it springs;
wings typical.
Abdomen dorsally nearly as in pectoralis, greater part of disc of
pygidium covered with stiff brownish hairs; venter of abdomen minutely
closely punctured with rather distinct brown appressed pubescence, almost
entirely black, or very dark brown, basal joint of flagellum somewhat
brownish, the second joint brownish at base.
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