Extracted from Western Bees obtained by the American Museum Expeditions by Cockerell (1921).
IDAHO: 1 C;>, Victor, about 6300 ft. alt., among aspens, roses, etc., on the hills
across the river from the tO~"Il, July 11, 1920.
c;> .-Length about or nearly 10 mm.; bright ferruginous red, not dark; mandibles
bidentate, black at end; a dusky shade between antennre, region between (but
not around) ocelli blackened, and cheeks black b 'hind, leaving a red band as broad
as the black; eyes pale red; antennre entirely clear ferruginous, third joint about as
long as fourth; mesothorax with a narrow median black band; f::lmora without black,
except that the hind femora have a dusky stripe be~eath, not conspicuous; tegulre
dull pale reddish, strongly punctured; wings dilute reddish fuliginous, stigrQa ferruginous,
nervures dark fuscous; basal nervure going far basad of transverse median,
third submarginal cell unusually broad above; abdomen clear red, without black
marks at base above or below; sides of second segment with small yellow spots, but
on third, in place of yellow marks, are dusky dots.
In my table this runs nearest to N. grayi Cockerell, but it differs in a
number of characters and is especially recognizable by the markings of
the abdomen.
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