Reprinted from: Cresson, E.T., 1878. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Trans. Am. Entomol. Soc.7:74.
Black, head and thorax strongly punctured;
face shining, sparsely punctured; large irregular mark on each side of face,
spot on base of mandibles, short line on posterior orbits, collar, tubercles,
tegula, two spots on scutellum, postscutellum and lunate mark on pleura,
white; labrum, mandibles, antenna, spot beneath wings, sides of metathorax
and the legs ferruginous; antenn? short, second joint of flagellum longer than
third; mesothorax coarsely and continently punctured; scutellum slightly
bilobate; base of metathorax smooth, itnpuncturcd. sides clothed with short
silvery pubescence; wings fuscous at tips; abdomen closely and strongly punc
tured, ferruginous, segments 1?5 each with a white band, broad and even on
the first, broad and dilated laterally on second and narrow on the remaining
segments; venter ferruginous with a white dot on each side of the third
segment. Length .40 inch.
JI(tb?Colorado, (Mr. James Ridings). This handsome species
resembles /'u/muiti Cress., which however has the mesothorax sparsely
punctured and shining; the ornamentation is very much alike in
both species.
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