Reprinted from: Cockerell,T.A. 1903. New American hymenoptera, mostly of the genus Nomada. Ann. Mag. Nat. Hist. 64(3): 214
Black, with very pale yellow markings and red legs ; only
slightly pubescent, the face shining, with well-separated
punctures, and quite bare. Facial quadrangle somewhat
broader than long ; eyes grey ; broad base of mandibles,
labium except blackish stain in middle, clypeus except posterior
margin, square supraclypeal spot (surrounded by black),
lateral face-marks, and minute spot at top of eyes behind
light yellow ; the lateral face-marks are broad, ending
abruptly halfway between level of antenna? and tops of eyes,
and nearly divided below by a black stripe running from the
clypeus towards the eye; antennas slender, ferruginous below
and black above ; scape unusually long and narrow ; third
antennal joint very much longer than fourth ; mesothorax
closely punctured, but shining ; upper margin of prothorax,
tubercles, a minute anterior and a large posterior spot on
pleura, two large contiguous spots on scutellum, and band on
postscntellum very light yellow; teguhe light red, with a
cream-coloured spot. Wings with lower half almost clear,
upper half dusky except at base, very strongly so apically
stigma ferruginous, nervures fuscous ; transverso-medial
nervure meeting basal, but a little on the externo-medial
side. Legs bright red, shining; a spot on hind tibiee at end
and a stripe on basal joint of hind tarsi cream-colour ; hair on
hind tarsi silvery ; abdomen rather long and tapering, shining,
but distinctly punctured, brown-black, with very pale yellow
bands on segments 1, 2, 4, and 5, that on 4 much narrowed
and slightly interrupted in the middle ; third segment with a
transversely oval spot on each side and a dot mesad of it
apical plate dark brown, rounded, not in the least emarginate
; ventral surface very dark brown, with a transverse
yellowish band on segment 3, not produced to the sides.
Bah. La Cueva, Organ Mts., New Mexico, about 5300 feet,
at flowers of Lippia Wrightii, Sept. 5 (C. II. T. Townsend).
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