No. 64] DIPTERA OF CONNECTICUT : TAXONOMY 337 



Femora uniformly pale; male hypopygium with outer margin of outer disti- 

 style roughened (except in pallida) 7 



5. Tips of femora very narrowly dark brown; abdominal tergites transversely 



banded, tigrine in appearance, the apical third of each segment being pale: 

 a subternnnal dark brown ring ( $ ) ; male hypopygium with gonapophyses 



very long, bifid near tips (Fig. 39, K) tigrina 



Tips of femora more broadly and evidently blackened; abdominal tergites 

 brownish yellow, without subterminal darkening ( S ) ; male hypopygium 

 with the gonapophyses not greatly exserted or bifid at tips 6 



6. Size large (L., $, about 10 mm.) ; wings brownish yellow, the costal region 



more saturated; legs pale, the coloration chiefly concealed by dense black 



setae nigripes 



Size small (L., <? , under 8 mm.); wingS' pale brown; legs pale yellow, the 

 tips of femora and tibiae narrowly blackened minima 



7. Body-coloration very pale, yellow or brownish yellow ; wings yellow 8 



Body-coloration dark brown or gray ; wings grayish to pale brown 9 



8. Male hypopygium with outer margin of outer dististyle microscopically 



roughened into points (Fig. 39, L) winnemana 



Male hvpopvgium with the outer margin of outer dististvle smooth ( Fig. 

 39, H) pallida 



9. Male hvpopygium with aedeagus bifid at apex ; lateral arms of tergite ex- 



panded and truncate at tips (Fig. 39, D-) elsa 



Male hypopygium with aedeagus simple ; lateral arms of tergite parallel-sided 

 or gradually narrowed to the obtusely rounded tips. (Fig. 39, I) septemtrionis 



Dicranoptycha elsa Alex. (Fig. 39, D). 



1929. Dicranojityeha elsa Alexander; Bull. Brooklyn Ent. Soc. 24: 



28-29. 



Allied to sepfemtrionis in o-eneral coloration and short costal 

 fringe of male. Male hypopygium (Fig. 39, D) with dististyles an- 

 gularly bent. Aedeagus bifid at apex. 6 . L. al)out 9 nun. : w. 9 mm. 

 $ . L. about 10 mm. ; w. 9.5 mm. 



(Aug.) N. Y., southw. to N. C. (Transition). 



D. germana O. S. (Fig. 39, E). 



1859. Dicranoptycha germana Osten Sacken; Proc. Acad. Xat. Sci. 

 Philadelphia, 1859 : 217. 



Figs.— Needham. 23rd Rept. N. Y. St. Ent. for 1907, pi. 27, fig. 6 (ven.) ; 

 1908. Alexander, Proc. Acad. Nat. Sci. Philadelphia, 1916, pi. 25, fig. 10 (ven.) ; 

 1916. .Alexander. Cfls. N. Y.. 1. pi. 33. fi.g. 49 (wing) ; 1919. 



Mesonotum yellowish brown, praescutum darker brown medially; 

 pleura feebly pruinose. Head light gray. Femoral tips very narrow- 

 ly and vaguely infumed. Costal region of wing more saturated than 

 disk ; costal fringe ( S ) relatively short, brown : trichia of veins 

 golden-yellow. Abdomen light brown, in S seventh and eighth seg- 

 ments with a narrow blacken^ed subterminal ring; hypopygium yellow. 

 Male hypopygium (Fig. 39, E). S. L. 9-10 mm.; w. 9.5-11 mm. 9. 

 L. 9.5-12 mm. ; w. 10-11.5 mm. 



(Late June-early Aug.) Que., N. H., \'t., Mass., X. Y., westw. to Mich., southw. 

 to Va., N. C. and Ind. 



D. megaphallus Alex. (Fig. 39, F). 



1926. Dici'anopti/cha megaphaUus Alexander : Psyche, 33 : 57-58. 



