406 THE CANADIAN ENTOMOLOGIST 



less iridescence, the inner edge of which (t. a. Hne) is a Httle less 

 than half way from base of wing and is rather rigidly oblique 

 outwardly, the outer edge (t. p. line) is gently rounded outwardl^^ 

 opposite cell from a point three-quarters from base to apex of 

 wing; secondaries deep brown with darker fringes. Beneath 

 unicolorous black-brown, rather shiny. Expanse 21 mm. 



Habitat.— Mt. Shasta, Calif, (July 24-31) (McDunnough) 

 4 cf 's, 1 9. Types, Coll. Barnes. 



This species is the darkest of its group, the lack of bronze or 

 green scaling and the presence of the darker median band render- 

 ing it readily distinguishable from its allies; the type specimens 

 were captured at an altitude of about 7,500 feet in very fresh 

 condition, so that the general lack of metallic scaling may be 

 considered normal. 



Pyla viridisuffusella, sp. nov. 



Head, thorax and primaries heavily suffused with metallic 

 green scaling, the latter with the cross lines broadly marked in 

 blackish, t. a. line outwardly oblique, a little irregular, t. p. line 

 bent somewhat outward beyond cell; at times a faint discal streak 

 is visible. Secondaries deep black-brown; beneath unicolorous 

 black-brown. Abdomen and legs wi€h metallic green scaling. 

 Expanse & 18 mm., 9 17 mm. 



Habitat.- — Tuolumne Meadows, Calif. (Aug. 1—7) 7 cf's, 

 4 9 's. Types, Coll. Barnes. 



Readily separated from scintillans by its smaller size and 

 brilliant, green scaling without any of the bronze shades found in 

 this latter species; it is apparently common at high altitudes 

 throughout the Southerri Sierras, as we have a series of it from 

 Mineral King, Tulare Co., as well as our type lot from the Yose- 

 mite region. 



KEY TO THE SUBFAMILIES OF ANTHOMYHD^ 



BY J. R. MALLOCH, URBANA, ILL. 



I present herewith a key to the imagines of the subfamilies of 

 the dipterous family Anthomyiidse. The divisions I have adopted 

 differ very considerably from those of European authors, as one 

 may gather from either the names or a study of specimens with 



December, 1917 



