182 TKANSACTIONS OF THE [1892 



broad, spindle-shaped, widest next tlie tip, and broadly 

 rounded there ; membranous throughout, with a large, 

 long, triangular pterostigma ; veins coarse; the costal 

 areole narrow, carried almost to the tip, ending with the 

 pterostigma, followed next the tip by a wide suboval 

 areole ; second series of areoles terminating by a moder- 

 ately short apical one, which expands curvingly at the open 

 tip, the vein of its base directly transverse ; next series of 

 areoles consisting of a long, narrow one, gradually 

 widening towards the diagonal end at middle of wing, 

 continued by a slightly expanding long and wide areole, 

 which is separated by a slightly diagonal cross-vein from 

 the still wider, rectangular, open, apical one ; the inner 

 marignal series consists of a long, narrow areole from the 

 base of the wing to before the middle of the penultimate 

 areole of the preceding series, the apex finished by a much 

 wider subelliptical acute areole. "Wings with a vein 

 running out a short way from base and sending forth a 

 fork of two veins to the tip, the basal vein surmounted 

 near base by a long, narrow, acutely closed cell. Legs 

 normal. Abdomen flat, as in the preceding genus. 



^. formicina. IlTew sp. 



Body broader than in Hymenodictes culicis. Ground 

 color fusco-piceous, a little polished, minutely pubescent. 

 Wing-covers smoke brown, the veins darker ; wings paler, 

 with the veins smoke brown. Scutellum, tinged with 

 rufo-piceous, moderately convex, polished. Tergum paler 

 than the venter, flat, with the incisures' of the segments 

 pale testaceous, or whitish. Middle and posterior tibiae a 

 little paler than the anterior ones. Length to tip of ab- 

 domen, 5 millims ; width of base of pronotum, f millim. 



Taken in the vicinity of Los Angeles, Cal., by Mr. Andrew 

 Bolter ; also sent to me from the same locality by Mr. D. 

 W. Coquillett. 



