D0LICH0PU8. 31 



is of the same color; its tip and the remaining join's are black. 

 The hind tibiae are black; upon their upper side, from the 

 id the middle, clayish-yellow; I tip but 



thickened; the first joint of the hind tar jrith many 



thorn-like bristles, Tegula? wit.}] whitish cilia, Wings entirely 

 hyaline, towards the ba rhat wedge-shaped, with a black 



spot which occupies their very tip. The costa is hardly thickened 

 near the tip of the first longitudinal vein ; the end of the t 

 longitudinal vein converges towards the third. 



Hob. District Columbia ; Trenton Falls, N. Y. (Osten-Sacken.) 



1. f>. alTiiciliatiis Losw. £. — Obscure viridis, pedum nigrornm 

 tibiis, posticarnm apice tamen excepto, taroornmqne anteriorum basi 



flavi.s, faci»i alba, cilii.-; oculorurn inferioribus albis, tegularura ciliia 

 nig] 



Lark 'jj ! -.'-t\ ; feet black, tibiae, excepting the tip of the bind ones, and the 

 basin of the four anterior tarsi, yellow; face white; cilia of the En 



orbit wbite; cilia of the tegnlaa black. Long. corp. 0.20. Long. al. 0.20. 



Ehn . Dolichoptu albiciliatus Losw, Berl. Ent. IConatschr. VI, 211. .^'j. 



Dark green. Pace proportionally rather broad, white. An- 

 tennae black, third joint short. Front metallic green. Cilia on 

 the inferior orbit white. Femora black, with a greenish reflection, 



their extreme tip brownish-yellow; on the under side of the hind 

 femora the hairs are somewhat longer than in the related 8] 

 and of such a kind as to lead to the supposition that the male has 

 the hind femora ciliated with black. Tibia; yellow, the tip of the 

 hind ones black; this black coloring occupies on the anterior side 

 perhaps the fourth, on the hind side nearly the third part. On 

 the four anterior tarsi the four last joints, including the tip of the 

 first joint, are black; the hind ta entirely black; their first 



joint i-: as long as the second, upon its upper side with two bris- 

 tles, and upon its under side with one. Cilia of the tegulas black. 

 Wings hyaline. 

 JIab. Illinois. (Le Baron.) 



5. I), xanthocnemus, n. sp. % and 9.— Obscure virMb'. pedum 

 nicrorr.m tibiis, posticarnm apice tamen excepto, tarsorumqne anteriorum 

 basi flavis, facie alba, cilii-; oculorurn inferioribns albis, teqularum ciliifl 

 nigris, femoribus maris posticifl albo-ciliatis. 



Dark green; feet black, til . ting the tip of the bind ones, and th« 



