OF WASHINGTON, VOLUME XVII, 1915 



95 



femora armed beneath on both margins with three or four moderately 

 stout spines; tarsi with distinct pulvilli, the basal segment, especially of 

 the middle and hind legs, long and distinctly armed beneath, except on the 

 apical fourth or fifth which is occupied by the pulvillus, with a double row 

 of short sharp spinules; claws with moderately large arolia between them. 

 Wings black, or nearly so, in the anterior half, the anal area very moderately 

 fuliginous towards the outer margins, basally still less so; posterior ulnar 

 vein many branched, some of the branches ending in the dividing vein; 

 apically the wing s slightly undulate, being somewhat prolonged in the 

 marginal area (fig. 1) , Elytra far surpassing the tip of the abdomen, about 

 as broad as the proniji ,n and about four times as long as broad, the sides 

 subparallel and the apex subtruncate, being somewhat undulate as in the 

 wing. 



Fig. 1. Rhabdoblatta brunneonigra Caudell. 



Abdomen with the subgenital plate entire and bearing a pair of short 

 movable styles; supraanal plate mesially depressed longitudinally and 

 apically notched; cerci moderately slender and surpassing the supraanal 

 plate by more than one-half of their own length. 



General color brownish black; head and pronotum black, the eyes and 

 the ocelli light brown and the antennal scrobir. the mesial portion of the 

 clypeus and some of the palpal segments marked more or loss with the 

 same color. Legs black with the spines a little lighter and the tarsi yel- 

 lowish. Abdomen blackish above, beneath black for the entire length 

 mesially, laterally yellowish, the yellowish margins and black central 

 stripe of subequal widths; cerci and styles and the whole of the subgenital 

 plate blackish. 



Length: pronotuni, 6.5 mm.; elytra, L><> mm.; cerci, 3 mm.; width: pro- 

 notum at widest point, 7.5mm.; elytra at middle, s mm. 



Described from one female from Ruling Kiangsi, China, N. 

 Gist Gee, collector. 



Type: Cat. No. 19125 U. S. National Museum. 



