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PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 84 



ent; epistoma sunken; bucca one-sixth eye height, with black hair; 



eye large, covered with tawny hair ; back of head with two rows of 



postocular ciliae, the 

 middle and below with 

 pale tawny hairs; pal- 

 pus and proboscis 

 black, ordinary. 



Thorax black, thinly 

 gray poUinose; ante- 

 rior acrostichal bris- 

 tles three ; anterior 

 dorsocentral bristles 

 three; sublateral bris- 

 tles two; the presutu- 

 ral sublateral long 

 and well defined; hu- 

 meral bristles five ; 

 posthumeral bristles 

 two; propleura bare; 

 sternopleural bristles 

 three, the mid bristle 

 below and slightly 

 posterior to the fore- 

 most ; prosternum 

 with a tuft of setalike 

 hairs on lateral mar- 

 gins ; postsutural 

 acrostichal bristles 

 three; posterior dor- 

 socentral bristles four ; 

 prealar bristles three; 

 scutellum with three 

 marginal bristles, one 

 subapical, and one 

 apical bristle. 



Abdomen subconi- 

 cal, black, with thin 

 yellowish gray polli- 

 nosity; first segment 

 black, remaining seg- 

 ments mid-dorsally 

 and posteriorly shin- 

 ing black; first and 

 second segments with 



well defined median marginal bristles; third and fourth segments 

 with rows of marginal bristles ; all segments except first with median 



Figure 20. — Zenillia (Sisyropa) vox, new species : a. 

 Left lateral view of male head ; b, left lateral view 

 of male terminalia ; c, rear view of male forceps. 



