HYMENOPTERA. 247 



I 



the legs ferruginous ; wings slightly fuscous. Abdomen ferru- 

 ginous, a yellow line or a s])ot on each side of the basal segment, 

 and a broad band of the same colour on the basal margins of the 

 three following segments, each more or less attenuated in the 

 middle, the first usually interrupted, the fifth segment yellow. 



Hab. United States. 



77- NOMADA PULCHELLA. 



Male. Length 3^ lines. — Black, the clypeus, labrum, mandi- 

 bles and orbits of the eyes, not reaching their vertex, yellow ; 

 the scape yellow in front, the flagellum fulvous beneath. Thorax, 

 the tubercles, tegulae, and two spots on the scutellum yellow ; 

 legs ferruginous, the intermediate and anterior pairs yellowish in 

 front, the posterior femora and tibiae blackish within ; the wings 

 hyaline, faintly clouded at their apical margins, their nervures 

 rufo-testaceous. Abdomen, the basal segment has a transverse 

 ferruginous band, the four following segments have continuous 

 yellow bands placed a little before the middle, the two first at- 

 tenuated in the middle, the apex yellow. 



Hab. North America. (Coll. F. Smith.) 



78. NoMADA FERVIDA. B.M. 



Female. Length 4-5 lines. — Black, the sides of the face, the 

 clypeus, labrum, mandibles and antennae ferruginous, the latter 

 slightly fuscous above; the clypeus and flagellum sometimes 

 dark fuscous. Thorax, the disk coarsely rugose, the collar, tu- 

 bercles, tegulae, a spot beneath the wings, the scutellum and post- 

 scutellum ferruginous, the two latter sometimes have a yellowish 

 stain ; the legs ferruginous, the wings fuscous, their apical mar- 

 gins having a darker stain ; the basal segment of the abdomen 

 has a transverse rufo-testaceous band, sometimes bordered with 

 yellow ; the second segment has a similar band placed beyond 

 the middle, the band more or less attenuated in the middle ; the 

 fourth segment has sometimes a transverse narrow line, and the 

 fifth sometimes an oblique yellow dot. 



Hab. St. John's Bluff", East Florida ; Georgia. (E. Doubleday.) 



79. NoMADA BISIGNATA. •>-»^ /* B.M. 



Nomada bisignata. Say, Append. Long's Exped. to St. Peter's 

 Riv. ii. 84 ; Bost. Journ. Nat. Hist. i. 402. 2. 



Hab. United States. 



N 



