AMERICAN HYMENOPTERA. 47 



two oblique marks on disk of mesothorax, narrow lateral margin, and the scu- 

 telluin except a slender dorsal depressed stripe, also orange-yellow; pleura 

 entirely black; tegulse pale yellow, brown posteriorly; wings dusky, pale at 

 apex; legs orange-yellow, four anterior coxae, trochanters and extreme base of 

 their femora, black; posterior coxae short, black, a large spot, furcate anterior- 

 ly, beneath at tip and a smaller one near base within, yellow ; their trochanters 

 black; their femora large, almost circular, with a small black spot on lower 

 middle of outer side and another at extreme tip on both sides, teeth numerous, 

 minute and black; their tibiae blackish, with a narrow orange-yellow band near 

 base and apex; their tarsi yellowish; abdomen as large as posterior femora, 

 compressed, shining, black, a spot on each side of first segment at base and a 

 narrow band at base of second segment, orange-yellow ; petiole short, stout, 

 black. Length .20 inch. 



Hab. — Colorado. One specimen. This truly lovely species may be 

 easily recognised by the beautiful bright orange markings in contrast 

 with the deep black color of the body, and by the large nearly circular 

 posterior femora being almost entirely orange-yellow. 



24. Smiera barbara. n. sp. 



^. — Same form and sculpture as rufofemorata ; ferruginous; head fuscous, 

 sides of face ferruginous ; antenna? slender, black, scape sometimes tinged with 

 reddish; pleura, metathorax and tegulae more or less black; wings fusco-hya- 

 line: coxae, except sometimes posterior pair above, base of anterior femora, and 

 four posterior tibiae, black : posterior femora almost sanguineous, immaculate, 

 with minute black teeth ; posterior tarsi fulvous; abdomen as in rufofemorata ; 

 petiole shorter, fuscous. Length .20 — .25 inch. 



Hab. — Texas. (Belfrage.) Three specimens. 



25. Smiera seutellaris. 



Smiera scutellaris, Cress. Proc. Ent. Soc. Phil, iv, p. 98. Jan. 1865. 

 Nab. — Cuba. (Coll. Dr. Gundlach.) One specimen. This is dull 

 ferruginous, with antennae, most of pleura, large spot on posterior coxae, 

 part of femora and tibiae and most of abdomen black; sides of face, 

 whole of scutellum, tips of posterior coxae, spots on their femora and 

 tibiae and a spot on each side of abdomen above, pale yellowish. Length 

 .23 inch. 



26. Smiera debilis. 



Chalcis debilis, Say, Bost. Jour. Nat. Hist, i, p. 271. 



Hab. — Delaware, "Indiana," Illinois. This is a small slender spe- 

 cies, of a ferruginous color, varied with pale and black markings j the 

 petiole of abdomen is very long and slender. Length .15 inch. 



27. Smiera petiolata. 



Smiera petiolata, Cress. Proc. Ent. Soc. Phil, iv, p. 97. 



Hab. — Cuba. (Coll. Dr. Gundlach.) One specimen. Closely al- 

 lied to debilis, Say. The petiole is twice the length of the remainder 

 of abdomen, and very slender. Leugth .15 inch. 



