Reprinted from: Cresson, E.T., 1878. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Trans. Am. Entomol. Soc.7:72.
Ferruginous ; head and thorax densely and
confluently punctured; sides of face, clypeus, spot above, labrum, base of
mandibles, posterior orbits, collar, tegula, tubercles, band or two spots on
scutellum, generally a line on postscutellum, and a more or lees distinct mark
on pleura, yellow ; dot on each aide of clypeus at base, space around base of
antenna, spot enclosing ocelli, posterior margin of head, moat of prothorax,
anterior middle of mesothorax, and the metathorax, except two yellow ?pot?
sometimes margined with ferruginous, black; antenna pale fer rugi noua, third
and fourth joints equal in length; scutellum slightly bilobate; wings faintly
dusky, darker at a|?ex; legs pale ferruginous, knees and tibia more or lees
yellow, coxa black behind ; abdomen shining, very minutely punctured, yel
low, basal half of first segment ferruginous, apical margin of segments 1?4
narrowly brown or ferruginous; venter yellow,ferruginous at base; the yellow
band on first segment is often more or less deeply notched on the anterior
middle. Length .40?16 inch.
Hab.?Colorado, (II. K. Morrison). Eight specimens.
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Extracted from Western Bees obtained by the American Museum Expeditions by Cockerell (1921).
COLORADO: 2 , South Fork, about 8200 ft. alt., near the junction of the two
headwaters of the Rio Grande, June 17, 1919.
One differs from the type in having the spots on metathorax entirely
red and yellow band on first abdominal segment broadly interrupted.
The other has the spots on metathorax yellow.
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