Reprinted from: Cresson, E.T., 1878. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Trans. Am. Entomol. Soc.7:81.
Ferruginous, opaque; head and thorax strongly
punctured, densely and confidently so on mesothorax; two spots behind
antenna, line connecting ocelli, posterior margin of cheeks, narrow stripe on
disk of mesothorax ending in a spot on anterior and posterior margins, sutures
of pleura narrowly, spot on each side of prothorax and broad stripe on middle
of metathorax, black; flagellum dusky toward apex, second joint shorter
than third; scutellum strongly bilobate, shining, sparsely punctured; tegula
polished with a few scattered punctures; wings subbyaline, narrowly fuscous
on apical margin; femora and tibia more or less black behind; abdomen
opaque, densely and minutely punctured, ferruginous, basal half of first seg
ment black, a small yellow spot on each side of middle, segments 2?i each
with a very broad yellowisb-white band, those on two and three slightly
indented on each side posteriorly, fifth segment entirely yellowish-white;
venter immaculate. Length .45 iuch.
Hob.?Colorado, (Ridings). One specimen. This and the pre
ceding species are clcsely allied, but may be easily separated by the
tegulse, which in l?bata is larger, coarsely sculptured and opaque.
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