NEOTROPICAL STRATIOMYIDAE — JAMES 599 



of black pile on the ocellar triangle. Antennae small, in length, ex- 

 cluding the arista, less than half the longitudinal diameter of the 

 eye, the arista almost as long as the longitudinal diameter of the 

 eye; first and second segments subequal, shining black; the annulated 

 part of the flagellum somewhat longer than tlie first or second seg- 

 ment, yellow; arista black. Dorsum of thorax densely punctured, 

 emerald green, moderately shining, with yellowish-gray tomentum 

 and scattered, erect, blackish pile; scutellum and spines concolorous, 

 without the erect pile ; spines divergent, almost as long as the scutel- 

 lum. Pleura greenish black, well clothed with semiappressed gray- 

 ish pile. Legs black, the posterior basitarsi white. Wings grayish 

 hyaline; the stigma blackish; the area below it, including the discal 

 cell, the apices of the basal cells, and the base of the first posterior, 

 diffused yellowish brown. Discal cell hexagonal, but almost diamond- 

 shaped. Vein M3 weak, not much more than a fold. Vein R4 absent. 

 Halteres green. Abdomen black with a slight greenish cast, elon- 

 gated oval, about twice as long as wide, grayish-white pilose. Length, 

 6 mm. 



Holoiype. — Male, San Carlos, Costa Rica (Schild and Burgdorf). 

 U. S. N. M. No. 52764. 



Genus DICYPHOMA James 



DICYPHOMA SCHAEFFERI (CoquiUett) 



Female, Cano Saddle, Gatun Lake, Panama, April 27, 1923 (R. C. 

 Shannon). 



Genus CYPHOMYIA Wiedemann 



CYPHOMYLA. ALBITARSIS (Fabricius) 



Six females, 1 male, Higuito, San Mateo, Costa Rica (Pablo 

 Schild); 1 female, Porto Bello, Panama, March 2, 1911 (August 

 Busck) ; 1 female, San Rafael, Veracruz, Mexico, April 18 (Town- 

 send) ; 1' female, 1 male, Cano Saddle, Gatun Lake, Panama, April 

 27, 1924 (R. C. Shannon), and May 6, 1923 (M. F. Close) ; 2 males, 

 Tabogal, Panama, February 2 and 23, 1912 (August Busck) ; 1 male, 

 Valera, Venezuela. 



CYPHOMYIA WIEDEMANNI Gerstaecker 



Four males, Trinidad Rio, Panama, February 17, 1912 (August 

 Busck); 1 male, Taboga Island, Panama, June 9, 1911 (August 

 Busck) ; 1 male, 1 female. Carlo Saddle, Gatun Lake, Panama, May 

 13 and 3, 1923 (R. C. Shannon) ; 1 male, 2 females, Higuito, ban 

 Mateo, Costa Rica (Pablo Schild); 1 female, Valera, Venezuela; 



