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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.
In this excerpt, Lasioglossum pudicum is known as the now synonymized pudicus.
Male.—About 6.5 mm. long; head and thorax dark blue; abdomen
black; pubescence pure white, sparse. Facial quadrangle longer
than broad; orbits converging slightly below; front above the anten- nae with close, shallow punctures; the punctures becoming more
sparse below, and at the sides of the face which is greenish; clypeus
and supraclypeal area microscopically tessellate, delicately punctured;
apices of mandibles red; antennae dark, second and third joints of equal length; flagellum testaceous beneath. Mesothorax opaque,
microscopically tessellate, with punctures about the diameter of a puncture apart, and more scattered on the disk; punctation of scu- tellum similar to that of the mesothorax, two shining spots on the
disk; disk of propodeum crescentic, shining, plicate, the plicae some- what discontinuous and extending over the margin on to the sides;
truncation distinct laterally, but not sharply defined; tegulae dark,
impunctate. Abdomen narrowly ovate, shining, impunctate, very
sparsely pubescent; apical margins of the segments polished, narrowly
testaceous. Wings hyaline; anterior wing 5 mm. long; stigma and
nervures dark testaceous; second submarginal cell higher than broad,
receiving the first recurrent nervure very near the apex; third submarginal as high as broad, contracted sharply above, about equidistant with the second on the marginal. Legs black; knees somewhat
reddened; tarsi yellow.
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