194 PROCEEDINGS OF THE ACADEMY OF [Oct., 



of fore femora, middle and hind legs including coxae entirely, and 

 veins, yellow. Fore coxae, squamae, and halteres white. Wings 

 entirely clear. Frons one-third width of head, but slightly narrowed 

 at antennae. Cheeks broad as third antennal joint. Scutellum 

 flat. Posterior cross vein slightly longer than ultimate section of 

 fifth; anal vein slightly curved, not attaining margin. 



Type.- — cf"; Philadelphia, Pennsylvania, June 3, (H. Hornig), 

 [A. N. S. P. No. 6217]. Paratype.— ^ ; topotypical. 



