N"<>. 64 I DIPTERA or CONNECTICUT: TAXONttMY 411 



'. Thoracic dorsum brownish black, the lateral margfins yellow; pleura yellow: 

 wings with distinct stigma ; veins Ra and Rt extending generally parallel 

 tor most of their length, only gently divergent, cell R-^ at margin nearly as 

 wide as cell 7^3; antennae ($) elongate, exceeding one-half the length 



of body edwardi 



Thoracic dorsum not differing conspicuously from the ground-color of ])1(U- 

 ra : wings with stigma pale brown or indistinct: veins R^t and 7?i strongly 

 divergent, cell R-2 at margin being about one-half of cell R.t or a triHc 

 more : antennae short in both sexes, if bent backward extending about to 

 wing-root 7 



7. General coloration of thorax blackish, gray pruinose quadrata 



Gen.eral coloration of thorax yellowish to reddish brown S 



8. Thoracic pleura with a broad black longitudinal stripe osborni 



Thoracic pleura pale yellow, immaculate stanwoodae 



Pilaria edwardi (Alex.) 



11>1G. Limnopliihi edvmrdi Alexander: Proc. Acad. Nat. Sci. Phila- 

 delphia. 1916: 533. 



Figs.— Alexander, Ibid., pi. 17. fig. 45 (wing) ; 1916. Alexaiukr, CHs. X. Y., 

 1. pi. 40, f^g. 156 (wing) : 1919. 



Head blackish. Femora and tibiae lif^ht brown, the tips weakly 

 darkened. Wings relatively narrow, very faintly tinged with brown, 

 the stigma darker brown, hairy. Abdomen dark brown, the hypopyg- 

 ium more ^^ellowish. $. L. 7.2 mm.; w. 8 mm.: antenna, about .■> 

 mm. 

 (June) N. Y. 



Known only from the unique type. It seems very possible that 

 this may prove to be an abnormal specimen of fenuipes. 



P. imbecilla imbecilla (O. S.) 



In.-)!). Liinnoplt'dd hnhccUhi Osten Sacken: Pi-oc Acad. Nat. Sci. 

 Philadelphia, 1859 : 237. 

 Figs.— Alexander, Cfls. N. Y., 1. pi. 38, fig. 122 (wing): 191M. Dirkin.M,,. 

 Cfls. Wise, p. 206, fig. 103 (wing) : 1932. 



General coloration of thorax pale brown to yelhnvish hiown. 

 without stripes; pseudosutural foveae pale. Antennae with scape and 

 pedicel dark brown, basal flagellar segments yellow, the outer seg- 

 ments l^lackened. Legs obscure yellow. Wings yellowish gray, the 

 stiii-ma feebly darkened, the costal region clearer yellow: 7?^ just be- 

 yond fork of*/?,.+:^ + 4. Abdomen pale, darkened outwardly, with a_sul)- 

 terminal brown ring: hypopygium yellow. i> . L. 7-S luiii.: w. <-S..» 

 mm. $. L. about 8 mm.: w. 7.5-8 mm. 



(June, July) Ont., Qw.. Mass., \. Y.. westw. to Wise, and Hi., southw. to Ind. 

 and Tenn. 



P. imbecilla illinoiensis (Alex.) . 



19'">U Llmnophila {EulimnophUa) hnlecilla dhnoiemis Alexander; 

 Can. Ent., 52 : 22G. 

 Verv close to the tvpical form, differing in the small size and yel- 

 lowish liead. with the antennal scape pale yellow. $. L. (> mm.; w. 

 0-G.5 mm. 

 (June) Ind., 111., Ky., Tenn. 



