Vol. VIII] ALDRICH— KELP-FLIES OF NORTH AMERICA { 73 



9. Fucellia evermanni, new species 



(Fig. 8) 



Male: Opaque, gray-brown species; front .463 of head-width (in the 

 type), rather short and bulging; bristles of head as in maritima, except 

 that there is uniformly a second pair of cruciate frontals, slightly smaller 

 than the usual ones and standing about twice as far apart below them; 

 antennas small, black, second joint reddish on front side, third only as long 

 as second, arista short, shining black on the enlarged basal fifth ; parafacials 

 opaque gray, front edge and down along facial ridge reddish ; bucca 

 opaque gray, almost as high as the eye, which is small, roundish, slightly 

 elongated obliquely; palpi dark yellow, their tips a little infuscated; pro- 



Fig. 8. Fucellia evermanni, side view of hinder part of male abdomen with 

 genitalia drawn out, together with posterior view of the forceps. 

 5t, fifth tergite. 

 if, inner forceps, 

 of, outer forceps, 

 ac, anterior clasper. (Penis and posterior claspers not shown.) 



boscis short, black; back of head very bulging, with rather coarse and 

 numerous black hairs. 



Thorax opaque gray with slight traces of brown pollinose spots above; 

 chaetotaxy as in maritima, except as follows : in the ant dc rows and 

 laterad of them are some noticeable hairs, and there are hairs on the 

 disk of the scutellum, as well as rather plentifully behind the suture ; 

 prealar and lower hind stpl absent. Calypters white with yellow rim and 

 long, whitish fringe ; halteres pure yellow. 



