Vol. XXX] ] ENTOMOLOGICAL NEWS 73 



Holotype: 9, Parintins, October 3, 1919 (H. S. Parish). 



GnopJwmyia hisecta is closest to G. peroicax Alexander 

 (Peru) from which it differs in the single praescutal stripe, the 

 ■\ving-pattern and the details of ^-enation. 



Psaronius pallipes sp. n. 



Head light brown with a darker median line; mesonotal praescutum 

 light brown with three dark brown stripes; metatarsi whitish; wings with 

 a strong brown tinge, the veins conspicuously seamed with dark brown; 

 cell 2nd Ri of nearly uniform width for its entire length. 



9. Length 20-20.5 nim.; wing 14. 5-15 mm.; abdomen alone 16.5 mm. 

 Rostrum and palpi dark brown. Antennae with the scapal segments 

 light brown; flagellum dark brown. Head light brown; a rounded, dark 

 brown spot on the vertex b tween the eyes ; a brown median stripe. 



Mesonotal praescutum light brown with three conspicuous darker brown 

 stripes; median stripe split for about the anterior half by a still darker 

 brown capillary line; pseudosutural foveae dark brown; scutum brown, 

 the lobes darker brown; a small dark brown spot at the end of the trans- 

 verse suture; scutellum and postnotum light grey with a capillar^' brown 

 median vitta. Pleura light grey, indistinctly marked with brown. 



Halteres dark brown ; basal half of the stem pale. Legs with the coxae 

 and trochanters pale brow'n; trochanters pale browm; femora and tibiae 

 obscure yellow, the tips narrowly dark brown; metatarsi whitish, the tips 

 and the remainder of the tarsi dark brown. 



Wings with a strong brown tinge, the costal cell darker, the subcostal 

 cell more yellowish; small dark clouds at the origin of Rs, fork of Rs, 

 fork of Ri—z; longitudinal veins with distinct, broad seams; wing-margin 

 broadly infuscated; w^ing-base proximad of arculus darkened, \enation 

 very similar to P. ohscunis, differing as follows: Ri running almost parallel 

 to Ri so cell 2nd Rx is of almost uniform width to the margin: fusion of 

 Cui and Mz slightly more extensive. 



Abdomen dark browm, the tergites darker medialh-; sternal ^■alves of 

 the ovipositor almost black. 



Holotype: 9 , Prata, June 30. 1919 (H. S. Parish). 



Paratopotype: 9 , July 5, 1919- 



Psarojiiiis pallipes is one of the medium-sized species of 

 this interesting Neotropical genus. By means of the author'j 

 key to the species of Psaronius (Trans. Am. Ent. Soc, vol. 40, 

 p. 250; 1914) this fly would run to P. fiiscipennis Alexander, 

 a larger fly with the coloration and wing-pattern distinct. 

 Attention should perhaps be called to the fact that the abdo- 

 men is very long and contributes most to the length of the in- 

 sect; for this reason a better idea of size is conveyed by the 

 length of the wing. 



