314 CONNECTICUT GEOL. AND NAT. HIST. SURVEY [Bull. 



L. {Dicranomyia) adirondacensis (Alex.). 



1922, Dicranoviyia adirondacensis Alexander; Bull. Brooklyn Ent. 

 Soc, 17:'62. 



Close to hrevivena. General coloration dark brown, gray prui- 

 nose. Wings with Sc short, /Sc2 far from the tip of Sci; Bs short, 

 angulated and spurred. Abdomen uniformly dark brown ; male hypo- 

 pygium almost as in hrevivena. S . L. about 4 mm. ; w. 4.3-4.5 mm. 



(July-Sept.) Que., N. Y., westw. to Wise, southw. to N. C. 



L. {Dicranomyia) hrevivena (O. S.) (Fig. 35, A). 

 1869. Dicranomyia hrevi/vena Osten Sacken; Mon. Dipt. N. Amer., 

 4 : 66-67. 



Fig.— Dickinson, Cfls. Wise, p. 182, fig. 51 (wing) ; 1932. 



General coloration dark brown, heavily pruinose. Knobs of hal- 

 teres darkened. Wings with cell 1st M^ closed or open. Abdominal 

 tergites dark brown; sternites yellowish. Male hypopygium (Fig. 

 35, A). Rostral prolongation with characteristic "goat's-head'' ap- 

 pearance; setae at apex of prolongation small; anal tube very long, 

 much exceeding aedeagus. $. L. 4-4.5 mm.; av. 4.5-5 mm. 9. L. 

 5-5.5 mm. ; w. 5.5-6 mm. 



(June-Sept.) Ont., Que., Mass., N. Y., Pa., southw. to Fla., westw. to Oregon. 



Connecticut.— Hamden, July 10, 1932 (N. T.) ; Kent Falls, June 12-13, 1931 (C. P. A.). 



L. (Z>^cra?^c>?^?.y^(2) cramptoniana Alex. (Fig. 35, B). 



1926. Dicranomyia cram.pt oni Alexander; Ent. News, 3T-: 47-49 (pre- 

 occupied). 



1929. Limonia {Dicranomyia) crannptoniana Alexander; Philippine 

 Journ. Sci., 40 : 247. 



General coloration dark broAA'li; pleura pruinose with yellowish 

 gray. Antennae black throughout. Rostrum dark. Wings tinged 

 with gray. Male hypopygium (Fig. 35, B) large and unusually com- 

 plicated in structure. $ . L. 5.5-5.8 mm. ; w. 6-6.5 mm. 2 . L. 6.5-7 

 mm. ; w. 6.2-6.4 mm. 



(Oct.) Mass. 



L. {Dicranomyia) decora (Staeg.) 



1840. Limnohia decora Staeger; Krojer, Naturhist. Tidsskr., 3:47. 

 1920. Dicranomyia terrae-novae Alexander; Pomona Coll. Journ. 

 Ent. and Zool. 12 : 85-86. 



Figs. — Nielsen, Vidensk. Medd. Dansk-naturh. Foren., 74:203 (wing); 1922. 

 Nielsen, Danmarks Fauna. Stankelben, fig. 5 (wing), 6 (hyp.) ; 1925. 



General coloration gray, praescutum with three darker brown 

 stripes. Antennae dark brown. Legs with femora brownish yellow, 

 tips indistinctly darker. Wings whitish subhyaline, with a heavy 

 dark brown pattern, including five major costal areas, the third at 

 origin of Rs^ the last apical; Sc2 far from tip Scx. located in 2nd dark 

 costal area ; m-cu about its own length before fork of M. Male hypo- 



