THE ANNALS Xn<^""'""'"'^ 



f* SLP 1 9 1921 



V 



MiGAZliNE OF NATURAL HIST^^Lli2-'^ 



[NINTH SliRIES.] 

 No. 45. SEPTEMBER 1921. 



XXIV. — Exotic Muscaridfe (Diptera). — III.* 

 By J. R. Malloch, Urbaua^ III., U.S.A. 



African Species. 



Subfamily Psaoniinjs. 

 Genus Trupheopygus, nov. 



Generic characters. — Similar to Helina, R.-D. Differs 

 from that geuus in having the frons about one-third of tjie 

 head-width; the abdomen subcyliudricalj slightly tapered 

 apically^ the genitalia entirely concealed when the abdomen 

 is viewed from the side or above ; the fifth sternite deeply 

 cleft in centre ; hind tibia with one or more postero-dorsal 

 bristles at middle; prescntellar acrostichals absent ; scutellum 

 flattened above ; preapical scutellars absent. 



Genotype, the following species. 



Trvplieopygiis testaceus, sp. n. 



Male. — Pale testaceous yellow. Frons brown ; antenna 

 fuscous. Thoracic dorsum with four pale brown vittae ante- 

 riorly, and a patch of grey pruinescence between the dorso- 

 centrals posteriorly which extends to disc of scutellum. 

 Abdomen with an indistinct pair of brown spots on second 



* For Part I., see Ann. & Mag. Nat. Hist. (9) vii., Feb. 1921, pp. 161- 

 178 ; Part 11., ibid., May 1921, pp. 420-431. 



Ann. & Mag. N. Hist. Ser. 9. Vol. viii. 15 



