192 ENTOMOLOGICAL SOCIETY 



gins of the mesonotum, narrow hind margins of the abdominal segments, 

 the hypopygium and halteres, yellow, second joint of antennae and the 

 knees narrowly yellowish brown. Apparently three pairs of dorsocentral 

 bristles, the anterior pair situated slightly behind the suture. Abdomen 

 polished. Wings hyaline, veins brown, strong, small cross-vein near 

 middle of the discal cell, last two sections of fifth vein subequal in length, 

 costal vein prolonged beyond the end of the fourth. Length 2 mm. 



Mountains near Claremont, Cal. A male specimen collected 

 by Prof. C. F. Baker. 



Type. No. 8040, U. S. National Museum. 



[ISSUED JULY 30, 1904.] 



