108 



E. T. CRESSON. 



Three 9 , four S specimens. The 9 of this species is one of the 

 largest and most elegant insects belonging to this family. 



.^lO. PonipilusT Mariae, n. sp. (Figure C^, 9 enlarged). 



Female. — Head broader than the thorax, much compressed trans- 

 versely, black ; front broad, flattened, smooth and shining; antennfe 

 inserted in deep fossulets just above the clypeus, the two basal joints 

 ferruginous, the third and fourth shading off into fuscous, (the remain- 

 ing joints wanting) ; clypeus small, flattened, anterior margin rounded, 

 Figure 6. a large red spot on the disk ; 



mandibles reddish at tips ; palpi 

 rufo-fuscous ; face and orbits co- 

 vered with a cinereous pile; tho- 

 rax orange-yellow, opaque ; meso- 

 thorax, scutellum and metatho- 

 rax strongly tinged with ferrugi- 

 nous ; prothorax oblong-subquad- 

 rate, much longer than usual, 

 rounded in front, the posterior 

 margin slightly arcuate, nearly 

 truncate; mesothorax very small ; 

 metathorax abruptly truncate be- 

 Pompihisf MaricE, 9 (enlarged). hind and slightly excavated, the 

 truncation transversely rugose, the sides abrupt ; thorax beneath sil- 

 very-sericeous, with a large blackish stain in front of the middle coxte; 

 legs stout, rather short, black, clothed with a cinereous sericeous 

 pile; the posterior femora, except base and tips, reddish, their tibiie 

 and the intermediate femora slightly tinged with reddish ; anterior 

 legs short, not spinose ; intermediate and posterior tibiae and tarsi with 

 a few short spines; wings narrow, shorter than usual, ycllowish-sub- 

 hyaline, the apex — covering the marginal, second and third submargi- 

 nals, and outer half oi' the third discoidal cell — most of the interno-me- 

 dial cell, and the extreme base of the wing, fuscous; marginal cell 

 lanceolate, regular, i. e. the lower nervure is regularly curved from the 

 base to the apex; second and third submarginal cells subquadrate, the 

 third rather the largest and more regularly ([uadmte ; posterior wings 

 hyaline, iridescent, tinged with dusky at tips; abdomen subsessile, con- 

 vex, eloagat(!-ovate, narrowed more rapidly than usual towarils the tip. 

 which is acute and subcompressed; basal segment brown-ferruginous, 

 second and third segments bright orange-yellow, somewhat golden, the 

 apex of the second segment with a ferruginous stain, dilated in the 



