1863.] 
297 
margins of the three following segments, each more or less attenuated 
in the middle, the first usually interrupted, the fifth segment yellow. 
Hah. United States/’ 
Unknown to me. 
16. K. anniilata Smith. 
Nomada annulata Smith, Brit. Mus. Cat. Hym. ii, p. 248, 9 • 
^‘■Female. Length lines.—Black, the sides of the face, orbits of 
the eyes, clypeus, labrum and mandibles yellow; the antennae and a 
minute spot above the clypeus ferruginous. Thorax, the collar, tuber¬ 
cles, a spot before and a line below them, the scutellum and a patch 
on each side of the metathorax yellow; legs ferruginous, variegated 
with yellow, the wings slightly clouded on their apical margins. Ab¬ 
domen slightly ferruginous towards the base, each segment having a 
transverse yellow band; the three basal bands more or less attenuated 
in the middle, the bands continued beneath the abdomen. 
Male. Ijength 3? lines,—This sex has the clypeus, labrum. man¬ 
dibles, scape of the antennae in front and the flagellum beneath of a 
pale yellowish-white, the latter is fuscous above towards the base and 
again towards the apex, the intervening joints are ferruginous and the 
apical ones entirely yellowish-white; thorax, the scutellum ferruginous; 
the tubercles, degulae and nervures of the wings reddish-yellow, the 
wings subhyaline, having a fuscous cloud at their apex. Abdomen 
black at the extreme base, the rest of the first segment and the whole 
of the second ferruginous the latter having a large angulated yellow 
macula on each side, the first only a minute dot; each segment from 
the fourth to the apical one has a narrow yellow band ; beneath en¬ 
tirely ferruginous. 
'‘’•Hah. North America.” 
17. N. articulata Smith. 
Nomada articulata Smith, Brit. Mus. Cat. Hym. ii, p. 248, % . 
'■'■Male. Length 3i lines.—Black, the clypeus, labrum. mandibles, 
sides of the face, scape in front and flagellum towards the base yellow, 
the latter ferruginous towards the apex, above fuscous, the scape black 
above, joints of the flagellum submoniliform. The tubercles, tegulae, 
scutellum and postscutellum ferruginous, the wings hyaline, the ner¬ 
vures ferruginous, the apical margin of the superior wings fuscous ; 
legs ferruginous; the coxae and posterior femora within fusco-ferrugi- 
