194 DIPTEROUS GENUS DIAPHORUS 



41 Diaphorus femoratus n. sp. 



Male : Length 'S.'i mm. Face broad, longer than wide, cov- 

 ered with silvery pollen, but appearing black in certain lights ; 

 palpi small, yellowish, brown at base (antennae missing) front 

 narrow, not more than one-fourth the width of the face, ground 

 color green but so thickly covered with whitish pollen as to be 

 almost concealed except at the vertex ; orbital cilia white except 

 a few of the uppermost. Thorax green with thin gray pollen on 

 the dorsum ; pleurae more thickly covered with pollen, and with 

 two or three white bristle-like hairs above the fore coxae. Abdo- 

 men bronze green, or more bronze black, with long pale hairs on 

 the sides below ; hypopygium small with minute appendages ( in 

 the described specimen there are only two short bristles at tip). 

 All coxae and the middle and hind trochanters black ; fore coxae 

 with minute white hairs on the front surface ; middle coxae with 

 several long yellowish hairs on the front surface, these hairs 

 about as long as the coxae ; femora, tibiae and tarsi yellow ; the 

 tarsi brownish towards their tips ; hind tarsi darkest ; pulvilli of 

 fore and .middle tarsi considerably enlarged ; hind femora with a 

 poorly defined brown band before the tip, the apex being broadly 

 yellow. Tegulae, their cilia and the halters pale yellow, the cilia 

 however appears brownish in certain lights. Wings grayish hya- 

 line ; the first vein reaches a little less than half way to the tip of 

 the second, costa slightly thickened beyond the -tip of the first vein. 



Described from one male taken at Opelousas, La., April. 

 Type in the collection of Prof. J. M. Aldrich. 



Easily recognized by the narrow front, yellow femora and 

 the brown band on the hind femora. 



Change of Preoccupied Name. 



On page 166 in key under 40 for femoratus read australis. 

 On page 194 top line for femoratus read australis. 



