400 CONNECTICUT GEOL. AND NAT. HIST. SURVEY [Bull, 



flattened, the tip siiddenl}" narrowed into a slender tinker-like point, 

 near outer end of style with microscopic setulae; basal gonapophyses 

 slender, nearly straif^ht, heavily blackened, beyond midlength a little 

 dilated but not branched; aedea<rus and siibtending apophj'ses of 

 moderate length, with a long basal fusion. S . L. 8.5-9.5 mm. ; w. 

 !)-10 mm. 



(June) N. H., Vt. and N. Y., westw. to Mich. 



L. {Phylidorea) consimilis Dtz. (Fig. -10, C). 



1921. Limnophila consimilis Dietz; Trans. Amer. Ent. Soc, 47: 

 255-256. 



Belongs to the si/niiis group. General coloration ^x'llowish. An- 

 tennal fiagellum yellowish brown. Head gray. Pale femoral bases 

 narrowest on fore legs (basal fourth to fifth), widest on posterior legs 

 (basal half). Wings yellowish subhyaline, the stigma and wing-tip 

 weakly infumed; Ic-^ + s + i with macrotrichia, in cases over the entire 

 length. Abdomen yellowish broAvn, in S with a slightly darker sub- 

 terminal ring. ^lale hypoi)ygium (Fig. 40. C) with the aecUnigus and 

 gonapophyses relatively small and weak: branches of basal g()na[)oi)hy- 

 se« closely appressed. S. L. 7-8.5 mui.: w. 7-N.5 lum. $. L. 9-10 

 mm. ; w. 9-9.5 mm. 



(June, July) Que., Vt., Mass., Ct., N. Y., westw. to Mich., southw. to N. C. and 

 Tenn. 



Connecticut. — East River, June 1911 (Ely). 



L. {P hylidoi'ea ) frairia. {O.^.} (Fig. 40, D). 



I.s(j9. Li/nnophila fratria Osten Sacken; Mon, Dipt. X. Amer.. 4: 

 220-221. 



General coloration dark, heavily and uniforndy gray pridnose, the 

 disk of praescutum more infuscated. Antennae dark brown, the scape 

 pruinose; flagellar segments oval. Pseudosutural foveae black, very 

 conspicuous. Legs w^th tibiae brown, the tips narrowly blackened; 

 tarsi black. Wings tinged with yellowish brown, the stigma darker. 

 Abdominal tergites dark brown; sternites obscure yellow medially, 

 margined with brown laterally; hypopygium bright yellow. Male 

 hypopygium (Fig. 40, D) with the outer dististyle flattened, yellow, 

 only the bidentate apex blackened; aedeagus very long; gonapophyses 

 not evident in the unique available specimen, possibly modified into the 

 curious operciilate spinous cushion that occupies the median region of 

 genital chamber. $ . L. 8-8.5 mm. ; w. 8.5-9 mm. 



(June, early July) Me., N. H., Vt., N. Y., southw. to Pa. 



L. {Phylidorea) fumidicosta Alex. 



1927. Limnophila {Phylidoren) f (f /nidi costa Alexander: Bull. Brook- 

 lyn Ent. Soc. 22: 115. 



Belongs to the similis group, consimilis subgroup. General color- 

 ation orange-ferruginous. Antennae with pedicel and basal three or 

 four flagellar segments yellow, the outer segments passing into pale 

 brown. Head light gray. Legs with femora dark brown, their bases 



