No. 64] DIPTERA OF CONNECTICUT: TAXONOMY 339 



gites brown, segments seven to eight ( $ ) dark brown. Male hypopyg- 

 iuni (Fig. 39,1) with outer dististyle conspicuonsly serrulate on all 

 surfaces. Aedeagus small, subequal in size to lateral arm of tergite. 



S . L. 7-7.5 mm. ; w. 8.5-9 mm. 



(Aug.-Sept.) Mass., N. Y., westw. to Ind. and Mich., southw. to N. C. (Cana- 

 dian). 



D. sobrina O.S. (Fig. 39, J). 



1859. Dicranoptycha sohrina Osten Sacken; Proc. Acad. Nat. Sci. 



Philadelphia, 1859:218. 

 1859. Dicranopfycha sororcula Osten Sacken; Ihid., 1859:218. 



Figs. — Osten Sacken, Mon. Dipt. N. Amer., 4, pi. 1. fig. 8 (wing), pi. 3, fig. 

 12 (hvp.) : 1869. Alexander, Proc. Acad. Nat. Sci. Philadelphia, 1916, pi. 25. fig. 

 11 (ven.) ; 1916. Alexander, Cfls. N. Y., 1. pi. 33, fig. 51 (ven.) ; 1919. 



Head and thorax clear gray, without distinct markings. Abdo- 

 men light brown, segments six to eight {$) more blackened ; hypopyg- 

 ium yellow. Male hypopygium (Fig. 39, J). $. L. 10-12 mm.; w. 

 8.5-10.5 mm. $. L. 10-13 mm.; w. 9-11 mm. 



(June, July) N. J., Pa.. Md., Va., Ind., Tenn., southw. to S. C, Ga., and n. Fla. 

 (Transition, Austral). 



Connecticut. — A female, presumably of this species, was taken at Newtown, Sept. 

 15, 1933 (C P.A.). 



Readily told by the clear gray coloration, broadly blackened fore 

 femora, long costal fringe and massive aedeagus of hypopygium. 



D. tigrina Alex. (Fig. 39, K) . 



1919. Dicranoptycha tigrina Alexander; Ent. News, 30:21. 



Mesonotum dark brown, with a sparse brown to gray i)loom, the 

 posterior notum and pleura cleai'er gray. Antennae with basal two 

 segments yellow, flagellum black. Wings gray. Subterminal dark 

 ring ( $ ) involving segments six to eight. Male hypopygium (Fig. 

 39, K) . $. L. 9-10 mm. ; w. 8.5-10 mm. 9 . L. 10 inm. -, w. 9-10 mm. 



(June-Sept.) N. C, Tenn., Ind., 111. and Kan. (Austral). 



D. winnemana Alex. (Fig. 39, L) . 



1916. Dicranoptycha tvirmemana Alexander; Proc. Acad. Nat. Sci. 

 Philadelphia, 1916 : 500-501. 



. ■ Figs.— Alexander, Ibid., pi. 25, fig. 12 (ven.) ; 1916. Alexander, Cfls. X. Y., 1, 

 pi. 33, fig. 50 (wing) ; 1919. 



General coloration pale yellow to brownish yellow ; pleura reddish 

 yellow. Antennae with basal two segments usually dark brown, 

 flagellum pale yellow. Legs yellow, terminal tarsal segments brown. 

 Costal fringe (s ) dense and relatively long; Rs relatively long, about 

 one-half longer than cell 1st 3/^. Abdomen brownish yellow, segments 

 eight and nine (S) brownish black. Male hypopygium (Fig. 39, L). 

 $. L. 7-8 mm.; w. 7-8.5 mm. 9. L. 8-9 mm.; w. 8-9 mm. 



"(June, July) Md., Va., Ind., 111., N. C. and Tenn., westw. to Mo., southw. to Ga. 

 and n. Fla. (Austral). 



This species and pallida are so pale in color as to appear almost 

 , teneral. 



