Reprinted from: Cresson, E.T., 1878. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Trans. Am. Entomol. Soc.7:79.
Black, opaque ; head and thorax densely punc
tured, rather thickly clothed with pale pubescence; line on sides of face,
clypeus, labrum, base of mandibles, line beneath eyes, scape beneath, tuber
cles, sometimes a spot beneath, and occasionally two spots on scutellum, pale
yellow; antenna? long, black behind,scape robust, flagellum ferruginous,second
joint about one-fourth the length of third; scutellum not prominent; tegula
and legs ferruginous, coxa and all the femora more or less behind black, some
times the posterior femora is almost entirely black as well as their tibia behind
and base of tarsi ; wings dusky on apical margin ; abdomen marked as in the
preceding species. Length .30 inch.
Hab.?Colorado, (Ridiugs, Morrison). Three specimens.
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