78 
calypteres white; length 8 mm. Missouri. A single female’ 
specimen bred from an unknown Lepidopterous larva on Trios- 
teum. Type No. 3578, U.S. National Museum... -erucicola n. sp. 
Genus CYRTOPHL@BA Rond. 
Cyrtophlaba Rondani, Dipterologivw Italic Prodromus, Vol. I, p. 68; 1856. 
Our single species is black, with a strong tinge of bronze, the palpi 
and first two joints of the antennie yellowish, three postsutural and 
three sternopleural macrochetie, second and third abdominal segments 
bearing discal and marginal ones; length, 7 to 10 mm. Toronto, 
Canada; New Bedford and Hyde Park, Mass.; Ithaca, N. Y., and 
northern Illinois. (Journal N. Y. Ent. Soe., Vol. ILI, p. 101; Septem- 
3 [815 hg) UI) a epee ee ee ee ar ee Pe Ag se Ae a Ee 1, horrida' Coq. 
Genus PLAGIA Meig. 
Plagia Meigen, System. Besch. Eur. Zweif. Insekten, Vol. VII, p. 201; 1838 
Our species has three postsutural and three sternopleural macrochete, 
proboscis thick, fleshly, less than twice as long as thick, basal half of 
palpi and the antenn black, lowest frontal bristles directed down- 
ward, third vein at most bristly slightly beyond the small crossvein; 
length, 7 to 9 mm. Northern [linois; St. Louis, Mo.; Los Angeles 
County, Cal.; Allende and Diaz, Mexico. (Biol. Cent.-Amer., Diptera, 
Vol. I], p. 102; March, 1890. Plagia aurifrons Townsend, Canadian 
—— lKntomologist, Vol. XXIV, p. 67; March, 1892.).... americana v. d. W. 
Genus SIPHOPLAGIA Town. 
Siphoplagia Townsend, Trans. Amer. Ent. Soc., Vol. XVIII, p. 349; November, 1891. 
Our species are black, the first two joints of antennie, lower part of 
face, cheeks, and palpi, yellow; body subopaque gray pollinose, thorax 
marked with four black vitte; three postsutural and three sterno- 
pleural macrochetie, middle tibiz: each bearing four on the front side 
near the middle, second and third segments of abdomen bearing only 
marginal macrochietie; length, 8 mm. 
Fifth vein bare, middle pair of orbital bristles very small. Los Ange- 
les County, Cal. (Trans. Amer. Ent. Soc., Vol. X VIII, p. 350; 
November; S91 2225. o. oe ence oe eee oe eae anomala 'Town. 
Fifth vein bristly, middle pair of orbital bristles as large as the others. 
Toronto, Canada, and Colorado. (Biol. Cent.-Amer., Diptera, 
Vol. II, p. 102; March, 1890: Plagia.)....- rigidirostris v. d. bs 
The Cyr iophiaba en Gioia: ame Boll. Aas, Vick roaee Italy, Vol. VIII, p. 
6, 1893, does not belong to this genus, since the hind crossvein is nearly perpendic- 
ular, the first vein bristly, etc. 
