Townsend — Genera of the Dipterous Tribe Sarcophagini. 195 



33 — Facio-orbital row consisting only of hairs Bercaea RD. 



Facio-orbital row including three to five strong bristles below 34 



34 — Vibrissal axis nearly equal to head-height; epistoma well 

 projected beyond vibrissae ; cheeks over one-half eye-length ; 

 parafacialia only a little narrower than clypeus . Sarcophaga Mg. 

 Vibrissal axis not over three-fourths of head-height; epistoma 

 but little projected ; cheeks only about one-third of eye- 

 length ; parafacialia at most little over half width of clypeus 



Sarraceniomyia, gen. now 



Genotypes of the New Genera. 



Andinoravinia, A. rufipes, n. sp. 



Argoravinia, Sarcophaga argentea T., Proc. U. S. N. M., vol. 43, 358 



(1912). 

 Bercaeopsis, Sarcophaga tetra Aid., Sarc. & Allies, 89 (1916). 

 Chaetoravinia, Helicobia quadrisetosa Coq., Ent. News, XII, 17 (1901). 

 Euravinia, Ravinia communis Park., Proc. Bost. Soc. N. H., vol. 35, 



55 (1914). 

 Fletcherimyia, Sarcophaga fletcheri Aid., Sarc. & Allies, 96 (1916). 

 Gigantotheca, G. galapagensis, n. sp. 

 Kelly my ia, Sarcophaga kellyi Aid., Jn. Ag. Res., II, 443. 

 Miltoravinia, Sarcophaga planifrons Aid., Sarc. & Allies, 249 (1916). 

 Oxysarcodexia, Sarcophaga peltata Aid., Sarc. & Allies, 216 (1916). 

 Parasarcodexia, Sarcophaga parkeri Aid., Sarc. & Allies, 78 (1916). 

 Peltopyga, Sarcophaga celarata Aid.. Sarc. & Allies, 242 (1916). 

 Prosthetocirca, P. cana, n. sp. 



Sarcodexiopsis, Sarcophaga biseriata Aid., Sarc. & Allies, 153 (1916). 

 Sarothromyiops, S. cinctus, n. sp. 

 Sarraceniomyia, Sarcophaga sarraceniae Riley, Tr. Ac. Sc. St. L. , III, 



238. 

 Trixosarcophaga, Sarcophaga aurigena T., Proc. U. S. N. M., vol. 43, 



357-8 (1912). 

 Tulaeopoda, Sarcophaga pervillosa Aid., Sarc. & Allies, 92 (1916). 

 Umbelusia, U. analis, n. sp. 

 Zygastropyga, Z. aurea, n. sp. 



Descriptions of the New Species. 

 Zygastropyga aurea, new species. 



Length of body, 8 to 9 mm. ; of wing, 6.75 to 7 mm. One male and 

 one female. Tempe, Arizona; Webster, No. 11,942 (V. L. Wildermuth). 

 The female bears label "Allotype No. 20,550 U. S. N. M.," referred to 

 by Aldrich as single female of S. sulculata Aid. from Kansas (Sarc. & 

 Allies, 225). Holotype, No. 21,574 U. S. N. M., male. 



Differs from sulculata Aid. by the broader abdomen ; broader male 

 hypopygium, the deeper median fossa of second hypopygial segment; the 

 distinctly golden pollen of head, and the brassy shade to pollen of rest 

 of body. 



