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Extracted from: Sandhouse G. A. New North American Species of Bees Belonging to the Genus Halictus (Chloralictus). No. 2532 – Proceedings U.S. National Museum. Vol. 65, Art. 19.
Lasioglossum Comulum appears in this excerpt as the now synonymized Halictus Comis.
Female. —About 5-5.5 mm. long; head and thorax blue-green; abdomen black; pubescence white. Facial quadrangle somewhat longer
than broad; orbits converging slightly below; antennae dark reddish
brown, becoming scarcely paler at the apex of the flagellum; face
clothed with moderately dense short white hairs; front very closely
punctured ; supraclypeal area and upper one-third of clypeus microscopically tessellate and sparsely punctured; clypeus largely black,
shining, with a few coarse punctures, fringed with yellowish hairs;
mandibles dark red. Thorax closely covered with rather short white
hairs; mesothorax opaque, microscopically tessellate with rather close,
deep punctures; punctation of scutellum similar to that of the
mesothorax; disk of propodeum crescentic, without an inclosing rim,
microscopically tessellate between irregular rugae; truncation well
defined laterally; tegulae pale testaceous, impunctate. Abdomen
obovate, impunctate, sparsely pubescent; apical margins of segments brownish testaceous. Wings clear yellowish; anterior wing about
4 mm. long; stigma and nervures very pale testaceous; second submarginal cell higher than broad, gently contracted above; receiving
first recurrent nervure very near the apex; third submarginal quite
sharply contracted above, little longer than second on marginal.
Legs dark brown, with dull white hairs; hind spur pectinate with
three moderately long teeth; apical tarsi somewhat reddened.
brownish testaceous. Wings clear yellowish; anterior wing about
4 mm. long; stigma and nervures very pale testaceous; second submarginal cell higher than broad, gently contracted above; receiving
first recurrent nervure very near the apex; third submarginal quite
sharply contracted above, little longer than second on marginal.
Legs dark brown, with dull white hairs; hind spur pectinate with
three moderately long teeth; apical tarsi somewhat reddened.
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