[November 
2S:^ 
with whitish hairs beneath the wings and on the metathorax which is 
sparsely punctured. Wings hyaline, apical margins faintly stained 
with fuscous ; nervures ferruginous. Legs: coxae black, spotted with 
yellow; trochanters more or less fulvous and black ; femora fulvous, 
black at their extreme base and yellow at their tips; tibiae and tarsi 
lemon-yellow, stained with fulvous within; claws piceous at tips. Ab¬ 
domen minutely punctured, slightly pubescent, shining, black; base 
of the first segment above slightly tinged w'ith ferruginous; about the 
middle of each segment a more or less broad lemon-yellow transverse 
band, slightly attenuated in the middle and somewhat indented on the 
extreme sides of the first and second segments anteriorly; apical seg¬ 
ment elongate, rounded at tip; beneath piceous, hairy, with the two 
first segments stained with ferruginous, the three following segments 
banded with yellow and the sixth entirely yellow. Length 6 lines. 
Ifab. Pike’s Peak. One specimen in the collection of the Entomo¬ 
logical Society of Philadelphia. 
A most lovely species, entirely distinct from any other species of 
Nomada known to me. The form is much more robust than that of 
W. hiteola St. Farg. 
2. N. luteola, St. Farg. 
Nomada luteola, St. Farg., Ency. Meth. Ins. viii, p. 365. 
Nomada sulphurata, Smith, Brit. Mus. Cat. Hym. ii, p. 249. 9 • 
Female .—Head blackish-brown; sides of the face, clypeus, a spot 
above it, labrum, mandibles except tips, and a small spot in front of 
the ocelli, yellow; a blackish-brown line extends half-way down the 
sides of the clypeus. Antennge as long as the head and thorax, dark 
fuscous towards the apex, rufous or dark ferruginous at the base, the 
scape in front is sometimes yellowish. Thorax densely punctured, 
blackish-brown; the collar, tubercles except a blackish indentation in 
front, two longitudinal lines on the disk not reaching either the collar 
or scutellum, a line over the base of each wing reaching from the col¬ 
lar to the angles of the scutellum, the tegulm except a blackish spot 
on the disk, the scutellum which is subbilobate and rather prominent, 
a transverse line on the postscutellum, a large quadrate patch on each 
side of the metathorax, a small spot beneath the base of the wings 
connected with a large quadrate patch beneath, and two spots in front 
of the intermediate coxae, yellow. Wings fusco-hyaline, apical margins 
