|
Extracted from: Cockerell T.D.A. (1919). The Bees of the Rocky Mountain National Park (Hymenop.). Entomological News Vol. 30.
Male. Length nearly 7 mm.; head, thorax and abdomen black, with creamy-white markings; pubescence very scanty, white, tinged with brown on thorax above; head broader than long; eyes gray; face with appressed silvery hair; labrum, mandibles except apically, narrowly interrupted band on lower margin of clypeus, lower corners of face with linear extension upward, and the swollen scape anteriorly, all yellowish-white; flagellum black or nearly so above, ferruginous beneath; third antennal joint much shorter than fourth; mesothorax dull, rugosopunctate, wholly black; tubercles with a light.spot; meso-pleura with a transverse white mark anteriorly; scutellum (which is not prominent) and metathorax wholly black; tegulae bright ferruginous; wings slightly dusky, strongly so on apical margin; stigma dull rufous, nervures fuscous; basal nervure meeting transversomedial; first recurrent nervurc joining middle of second submarginal cell; legs ferruginous, black at base, and variably black posteriorly, the hind pair strongly so; fore and middle tibiae with a white dot at base and larger spot apically; hind tibiae with a large white mark at each end, the interval between blackened; abdomen brown-black, the first four segments with interrupted cream-colored bands, that on second extremely broad, the fifth and sixth with entire bands, bands on second and third segments emarginate on each side posteriorly, the next two enclosing black spots; apical plate narrow, entire; yenter reddish marked with white.
|
