FLIES OF GENUS CONOPS — CAMRAS 159 



Ceratoconops, new subgenus 



This subgenus is characterized by bilateral swellings on the occiput 

 midway between the vertex and the inferior margin of the eye. 

 The posterior margin of the eye is markedly indented, but the tri- 

 angular smooth area is not large. Only one propleural bristle is 

 present. The abdomen of the male has segment 2 as wide at the 

 base as at the apex. This segment is about twice as long as wide and 

 about equal to abdominal segment 3. The proximal width of ab- 

 dominal segment 3 is about two-thirds the distal width of that seg- 

 ment. The length of the head is nearly equal to the height of the 

 head. 



Type: Conops ornatus WUliston. 



Conops {Ceratoconops) ornatus Williston 



Conops ornatus Williston, Kansas Univ. Quart., vol. 1, p. 46, 1892. 



One cotype male labeled "Corumba, May" (in AMNH), was 

 loaned for examination. The location of the other cotype is un- 

 known. It is not at the University of Kansas, nor are the types there 

 of any of the other species described by WiUiston at that time. 



Range: Brazil (Mato Grosso). 



Sphenoconops, new subgenus 



This subgenus is most distinctive in the male sex by the pointed 

 wasplike abdomen. In the female there is a marked invagination 

 at the base of the theca where the tip of the male would fit; but this 

 depression is also found in some of the females of species with the 

 male abdomen rounded as usual. 



This subgenus also differs in the flattened shape of the head and 

 the relatively long antennae, which lack a lateral process on the 

 arista. The shape of the abdominal segment 2 is also characteristic, 

 having the proximal width much less than the distal width. 



Type: Conops nobilis Williston. 



Conops {SpJienoconops) brunneosericeiis Krober 



Conops brunneosericeus Krober, Stettiner Ent. Zeit., vol. 98, p. 100, 1937. 



The specimens examined differ from the original description in 

 having antennal segment 3 much shorter than antennal segment 2. 

 Otherwise the description agrees rather well. 



Range: Brazil. 



Material examined: Brazil: Itatiaya, Rio de Janebo, 700 m., 

 Mar. 5, 1934, J. F. Zikan, 1 male (USNM) ; Palmeiras, Rio de Janeiro, 

 Sept. 20, 1938, Jan. 7, 1939, S. Lopes, 2 females (USNM); Sao Paulo, 

 Dec. 1932, J. Lane, 1 female (USNM). 



