FLIES OF GENUS CONOPS — CAMRAS 177 



head height. Thorax black, very famt whitish pollinose ; with golden 

 pollinose spot medial to the humeri. Legs black, coxae 3^ellow polli- 

 nose. Tibiae yellow at base. Claws (except tip) and puivUli yellow. 

 Wings with dark pattern extending to the third vein more yellowish 

 anterior to second vein. The black between the second and third 

 veins is interrupted beyond the end of the second vein, but extends 

 faintly along the thii'd vein to the tip of the cell posteriorly. Remain- 

 der of wing hyaline except mark at base of vena spuria and along fifth 

 vein. Calypters and halters yellow. Abdomen black, yellowish at 

 base of segment 3. Wide gold pollinose distal margins on segments 

 1-5. Remainder of abdomen entirely gold pollinose. Genitalia 

 reddish black. 



Variation (in paratjqies): Length 9% to 12K mm. One similar to 

 the type with black on face becoming reddish ventrally. One similar 

 to the tj'pe but pattern in submarginal cell completely hyaline distal 

 to interruption of the dark pattern. One similar to the type but most 

 of front dark yellowish and no black on the face (teneral?). One 

 similar to the type but face dark reddish instead of black. Inter- 

 ruption of -sving pattern in submarginal cell complete. The wing 

 pattern anterior to second vein nearly hyahne. Two similar to the 

 type but black of face replaced by reddish yellow. 



Types: Holotype, male (USNM 62429), Maracaju, Mato Grosso, 

 Brazil, May 1937, R. C. Shannon. Paratypes: Brazil: 3 males 

 (USNM), same data as holotype; 1 male (USNM) Goyaz, Nov. 

 1932, Spitz; Paraguay: 2 males (author's collection ex Sabrosky 

 collection), Villarica, January 1939, F. Schade. 



Remarks. — This species is related to abruptus but differs in having 

 the front entirely black, the black extending in some specimens onto 

 the face. In the "teneral" specimen, the black of the front is confined 

 to the transverse fine in front of the vertex. No female has been seen, 

 but it should resemble the female of abruptus except for the color 

 of the front and face. 



This name was used by Shannon for his good friend and colleague, 

 Raymond W. Gilmore, a mammalogist who was with him in Brazil. 



Physoconops (Physoconops) fronto (Williston) 



Conops fronto Williston, Trans. Connecticut Acad. Arts Sci., vol. 6, p. 378, 1885. 

 Conops pulchellus Krober, Arch. Naturg., vol. 81, Abt. a. Heft 7, p. 134, 1915. 

 Conops argentifacies Van Duzee, Proc. California Acad. Sci., vol. 16, p. 574, 1927. 

 Conops fraterculus Van Duzee, Proc. California Acad. Sci., vol. 16, p. 575, 1927. 

 Conops ruhicundulus Van Duzee, Proc. California Acad. Sci., vol. 16, p. 576, 1927. 



This species shows considerable variation geographically but is 

 usually easily distinguished. Western specimens have the front 

 averaging narrower, and usually entirely bright yellow. Eastern 



