Xo. C4J DirTERA or conxectici:t : taxonomy 321 



(Jeneral coloration brownish yellow; praescutal striiH's faintly in- 

 dicated; i)leural .stri])e continued caudad as a narrow, lateral, abdom- 

 inal line. Rostrum brownish black, somewhat [)roduced. Knobs of 

 halteres weakly darkened. Wings very narrow, yellowish, axillary re- 

 gion darkenecl. Male hypopygium (Fig. 80, B). S. L. 6-7 mm.; 

 w. 7-8 mm. 9 . L. 7-8 mm. ; w. 7-8 nun. 



(May-Oct.) Out.. Que.. Me., N. H.. Vt.. Mass., N. Y., Pa., westw. to Wise, 

 Man., Colo, and Wash. (Eurasia). In marshes. 



Connecticut.— East River, July 11, 1910 (Ely) ; Hamden, July 10, 1932 (N. T.) ; Kent 

 Falls, May 31, 1931 (C. P. A.): Norfolk, June 9, 1929 ((!. P. A.); Riverton, June 

 8, 1929 (C P. A.) ; W. Granby. June 8, 1929 (G. C. C. ). 



L. {Dicranomyfa) morioides (O. S.) (Fig. 36, C). 

 1860. Dicranomyia morioides Osten Sacken; Proc. Acad. Xat. Sci. 

 Philadelphia, 1860:17. 



Fig.— Alexander. Cfls. N. Y., 1, pi. 31, fig. 2i (wing) ; 1919. 



Pleura silvery, the ventral anepisternum and ventral sternopleu- 

 rite black. Anterior vertex silvery ; remainder of head blackened. 

 Antennae black ; terminal segment elongate. Knobs of halteres brown- 

 ish black. Wings with a brownish tinge, stigma darker; Sci longer 

 than m-cu. Abdominal tergites black, sternites pale brown. Male 

 hypopygium (Fig. 36, C). $. L. 4-5.5 mm.; w. 4-6.5 mm. 5. L. 

 4-5.5 mm. ; w. 3.5-5 mm. 



(May-Aug.) Ont., Que., N. B., Me., Vt., Mass., N. Y., westw. to Colo., Alta., 

 B. C. and Alaska, southw. to Va., N. C. and Tenn. (Hudsonian, Canadian). 



Connecticut.— Kent Falls, May 31. 1931, June 12-13, 1931, July 23-24, 1931, Aug. 19, 

 1931 (C. P. A.). 



L. {Dicranomyia) nycteris (Alex.) (P"ig. 36, D). 



1927. Dicranomyia nycteris Alexander; Can. Ent., 59:220. 



Allied to the European morio\ in our fauna most similar to 

 morioides. Pleura silvery. Mid-coxae black basally, apical half yel- 

 low. Abdominal tergites black, weakly bicolorous; sternites two to 

 five with caudal margins yellow. Male hypopygium (Fig. 36, D). 

 $ . L. about 3.5-4 mm. ; w. 4-5 mm. 



(June, early July) Que., N. B.. westw. to Mich, and Alta. (Hudsonian). 



L. {Dicranomyia) profunda (Alex.) (Fig. 36, E). 

 1925. Dicranomyia profunda Alex.; Occas. Pap. Boston Soc. Nat. 

 Hist., 5 : 173. 



General coloration yellow to yellowish brown. Antennae dark 

 throughout. Femora yellow^, the tips very narrowly but conspicuously 

 dark brown. Wings yellow; narrow seams at origin of Rs, along cord 

 and outer end of cell 1st Mo. Male hypopygium (Fig. 36, E). $. 

 L. 4.5-6 mm. ; w. 5-7 mm. $ . L. 6.5-7.5 mm. ; w. 7.2-8.5 nnn. 



(June-Sept.) Que., N. B., Me., N. H., Vt., Mass., N. Y. (Canadian). 



Connecticut.— Tunxis State Park, July 23-24, 1931 (C. P. A.); W. Granby, June 

 8, 1929 (C. P. A.). 



