CONOPID FLIES — CAMRAS 115 



Types: Holotype, female, USNM 64478. Allotype, USNM, Suifu 

 to Hongya, Szechwan, alt. 1,000-1,400 ft., June 15-21, 1929, D. C. 

 Graham. Paratype: Szechwan: 1 male, author's collection ex 

 USNM, between Yachow and Suifu, 1-2,200 ft., May 27 to July 14, 

 1930, D. C. Graham. 



This species is similar to C. rujomaculatus and C. aureomaculatus, 

 but is darker with the femora being mainly black. 



Conops (Asiconops) thecus, new species 



Female: Length 14% mm. Front dark reddish brown with distinct 

 darker reddish brown frontofacial mark. Vertex more yellowish. 

 Face and grooves yellow, gold pollinose except for antennal promi- 

 nence. Black mark at junction of facila and oral keel. Occiput 

 mainly black, dark reddish yellow laterally. Posterior orbit gold 

 pollinose. First antennal segment rufous, four times as long as wide. 

 Second segment less than twice the length of first, dark reddish black. 

 Third segment as long as first, dark reddish basally. Arista black, 

 process of second segment indistinct. Proboscis black, yellowish in 

 the middle, about 1% times length of head. 



Thorax black, faintly yellowish pollinose. Humeri, posterior calli, 

 and entire scutellum rufous. Coxae mainly black, partly reddish. 

 Trochanters and narrow base of femora rufous. Apical dorsal third 

 of femora reddish, apical ventral third rufous. Tibiae rufous. Tarsi 

 yellowish proximally, black apically and on tips of claws. Remainder 

 of claws rufous, pulvilli yellow. Wings pale yellow hyaline, darker 

 between first and third veins and vena spuria, on anterior half of first 

 basal cell, and along fifth and sixth veins. Calypters yellow. Halteres 

 yellow, reddish on club and base of stem. 



Abdomen mainly black, rufous on apex of second to fifth segments, 

 apical half of sixth, and nearly entire seventh segment. This color 

 on the sides of the second segment extending basally. Yellow pollinose 

 on apical margin of first segment, sides of second segment, most of 

 sixth and seventh segments, and indistinctly on the theca. Theca 

 black, very large, twice as long as wide. Genitalia shiny black, 

 partly reddish. 



Type: Holotype, female, USNM 64479, Suifu, Szechwan, D. C. 

 Graham. 



This species is related to C. opimus, but has a rufous frontofacial 

 mark and yet is darker in general coloration. Superficially it re- 

 sembles C. grahami very much, but differs in the size of the theca and 

 in the color of wing, scutellum, calli, trochanters, and other structures. 



Conops {Asiconops) rnfigaster, new species 



Male: Length 15 mm. Front entirely deep black. Vertex dark 

 reddish in middle. Velvety black frontofacial mark. Face yellow, 



534086—60 2 



