NEW GENERA AND SPECIES OF MUSCOID FLIES 



By J. M. Aldrich 

 Associate Curator, Division of Insects, United States National Museum 



The present paper includes descriptions of four new genera and 

 eight new species of muscoid flies; types of all the species are in 

 the National Museum. 



Family SARCO*PHAGIDAE 



Genus JOHNSONIA Coquillett 



Johnsonia Coquillett, Proc. Acad. Nat. Sci. IMiiladelphia. vol. 47, 1895, 

 p. 316. — WiLLisTON, Manual, N. A. Dipt., 190S, p. 350. — Aldrich, Sar- 

 coTjhaga and Allies, 1916, p. 30. — Townsend, Revista Mus. Paul., vol. 

 15, 1926, p. 215.— Endeblein, Arch. f. Klass. u. Phyl. Ent., vol. 1, 

 1028, p. 45. — CuRBApr, Sci. Surv. Porto Rico and the Virgiu Ids., vol. 11, 

 1028, p. 96. 



The type species is elegans Johnson. Keys to the species are given 

 by Aldrich and Curran. 



JOHNSONIA FRONTALIS, new species 



Male. — Differs from Johnsonia elegans Coquillett principally in 

 having long pulvilli and much narrower front. It has the same 

 generic characters, consisting mainly of a single pair of orbital 

 bristles; a few small hairs on the parafacials; arista long-plumose 

 more than half way; a single pair of long reclinate verticals; back of 

 head bulging and with only dark hair except just above the neck; 

 and first, third and fifth veins hairy. The abdomen is reddish, sub- 

 shining. The legs are reddish with a considerable tinge of brown, 

 tarsi black. All the pulvilli elongated, the front ones about as long 

 as the last tarsal joint, which is provided with several uncommonly 

 Jong hairs projecting out over the pulvilli. Chaetotaxy as in elegans. 



Length, 6 mm. 



Described from one male collected at Miami, Fla., November 18, 

 by C. H. T. Townsend. 



Ty^e.— Male, Cat. No. 41812, U.S.N.M. 



No. 2812.— Proceedings U. S. National Museum, Vol. 76, Art. 15 



61591 — 29 1 



