ZENILLIA AND ALLIED GENERA SELLERS 75 



17. Sciitellum black, the tip sometimes yellow ; gena one-sixth to one-fifth eye 



height 18 



Scutellum yellow covered with gray pollen ; gena one-tenth eye height ; third 

 segment of antenna six times length of second (male only) 



cerurae, new species (p. 94) 



18. Parafrontal and parafacial brassy, facial depression and posterior orbit 



silvery pollinose 19. pheosiae, new species (p. 95) 



Parafrontal and face gray-pruinose 20. fronto (Coquillett) (p. 96) 



1. APLOMYA SUBMISSA (Aldrich and Webber), new combination 



ZeniUia subtnissa Aldrich and Webber, Proc. U. S. Nat. Mus., vol. 63, art. 17, 



p. 31, 1924. 

 Collatia submissa (Aldrich and Webber) Curean, Families and genera of North 



American Diptera, p. 464, 1934. — Townsend, Manual of myiology, pt. 4, p. 



224, 1936. 



Head with front at narrowest 0.15 to 0.16 head width; row of 

 frontal bristles long, extending from below base of third antenna] 

 segment to three or four reclinate preverticals ; facial ridge bristly 

 on lowest one-fourth to one-third; gena one-tenth eye height; frontal 

 orbit and face gray-pruinose; antenna black, third segment two and 

 one-fourth times second; arista thickened on basal one-third, penulti- 

 mate segment elongate; palpus black. 



Thorax black, gray pollinose, marked with four mesonotal vittae; 

 mid tibia with two median anterolateral bristles; hind tibia subcili- 

 ate; wing hyaline, small crossvein infuscated, third vein with two 

 or three bristles at base. 



Abdomen black, gray pollinose; first and second segments with a 

 pair and third with a row of marginal macrochaetae ; fourth segment 

 w T ith marginal and submarginal bristles about three-fourths the 

 length of the macrochaetae on third segment. 



Length 7 mm. 



Type locality. — Koehler, N. Mex. 



Distribution. — New Mexico 1, Alberta 1. 



Type.— -Male, U.S.N.M. No. 2569G. 



Host. — Unknown. 



Remarks. — Description based on the type male collected August 14, 

 1913 (Walton), and one male collected August 29, 1926, Cameron 

 Lake, Alberta (King). 



2. APLOMYA CONFINIS (Fallen) (genotype) 



Tachina confinis Fallen, Monographia muscidum sueciae, p. 32, 1820. — Meigen, 



Systematische Beschreibung der europiiischen zweiflugelig;>n Insecten, vol. 



4, pp. 274, 396, 1S24 — Zettebstedt, Insecta Lapponica, p. 644, 1838; Diptera 



Scandinaviae, vol. 3, p. 1140, 1844. 

 Aplomya confinis (Fallen) Robineau-Desvoidy, Mem. Acad. Sci. Inst. France, 



vol. 2, p. 184, 1830; Histoire naturelle des dipteres des environs de Paris, 



vol. 1, p. 459-460, 1863.— Coquillett, Proc. U. S. Nat. Mus., vol. 37, pp. 



509, 553, 1910.— Townsend, Manual of myiology, pt. 2, p. 60, 1935; pt. 4, 



p. 231, 1936. 



