NEOTROPICAL STRATIOMYIDAE— JAMES 601 



CYPHOMYIA PILOSISSIMA Gerstaecker 



Female, Mexico, Mexico (Juan Miller) ; male, Distrito Federal 

 Mexico (L. Conrad). ' 



CYPHOMYIA FASCIPES Walker 



Female, Cano Saddle, Gatmi Lake, Panama, April 27, 1928 (R. C. 

 Shannon) ; female, Amazon River near Obidos. Brazil. September 18 

 1930 (Holt, Blake, and Agostini). - i 



CYPHOMYIA PULCHELLA Gerstaecker 



Female, Higuito, San Mateo, Costa Rica (Pablo Scliild). 



CYPHOMYIA PICTA Schiner 



Female, Cano Saddle, Gatun Lake, Panama, May 17, 1923 (R. C. 

 Shannon). 



CYPHOMYIA SHANNONI, new species 



A metallic-blue species, with a wholly yellow head and semihyaline 

 wings with a large median brownish area. Close to G. hequaerti 

 James. 



Female. — Head yellow. Front approximately on a level witli the 

 eyes, slightly convex ; its sides converging toward the base of the an- 

 tennae, the relative widths at the anterior ocellus and at the insertion 

 of the antennae being 16 : 11 ; the face likewise converging above, the 

 relative widths at the base of the antennae and at the oral margin 

 being 11 : 17. Occipital orbits moderately broad, broader above than 

 below, their greatest width but slightly less than the width of the 

 front at the narrowest point; the orbits moderately rounded behind. 

 Vertex on a level with the front, sharply separated from the occipital 

 orbits by deep furrows. Pile of front and vertex yellow, sparse, that 

 of tlie rest of the head whitish, sparse, except on the sides of the face, 

 where it is conspicuous and moderately long. Proboscis brown. Eyes 

 bare ; antennae black; the ratio of the first to the second segment 5:3; 

 the third segment slightly shorter than the second, the others to the 

 eighth gradually but slightly decreasing in length; the ninth and 

 tenth segments are lost in the type. Thorax, including scutellum 

 and spines, metallic bluish black, with abundant, mostly senii- 

 appressed, whitish pile; tips of scutellar spines yellow. Scutelhnii 

 on a level with the dorsum; the spines three-fourths the length of 

 the scutellum, directed backward on a plane with tlie scutellum. and 

 slightly outward, the spines slightly bowed. Legs black or brownish 

 black, the knees and the first two segments of all tarsi yellow. 

 Halteres yellow. Wings pale brownish subhyaline; the stigma dark 

 brown; an indefinitely outlined lighter brown area taking m the 



