i20 



CONNECTICUT GEOL. AND NAT. HIST. SfRVEY [BuU. 



Iv. Rostniin yellow. Win«rs hyaline. sti«rnia faintly darker. Ab- 

 dominal tergite.s brown, sternites more yellow. Male hypopytrium 

 {Fig. 35, K). 6. L. 5-G.5 mm.: w. 5.5-7 mm. 9. L. 5.5-6.5 mm.; 

 w. 5.5-6.5 mm. 



(May-July; Aug.-Oct., probably 2 generations). Que., N. B., Me., N. H., Mass., 

 N. Y., Ind., vvestw. to Mich, and la. 



Connecticut.— Hartland. June 9. 1929 (C. P. A.) : Kent Falls, June 12. 13, Aug. 19, 

 1931 (C. P. A.); Manitic Lake. June 8-9. 1929 (C. P. A.); Norfolk, June 9, 1929 

 (C. P. A.) ; Riverton, Tune 8, 1929 (C P. A.) ; Tyler Lake. June 13, 1931 (C. P. A.) ; 

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



L. {nicranomyia) lacroixi (Alex.) (Fi<r. 35, L). 



Jl>2(>. Dicranomyia lacrohi-'t Alexander; Ent. News. 37:46-47. 



General coloration brownish ochreous. the praescntum with three 

 conspicuous dark brown stripes: pleura uniformly ochreous. An- 

 tennae black throughout. Wings narrow: axillary region strongly 

 infumed. Male hypopygium (Fig. 35. L). <5 . L. about 6 mm.; w. 

 6.!) nnn. 



(July) Alass. ; in bogs. 



L. (///c;y/;/.o/>i//w) liberta ((). S.) (Fig. 36, A). 



1859. I>kr(tnomyia liherta Osten Sacken : Proc. Acad. Nat. 8ci. Phil- 

 adelphia, 1859 : 209. 



Figs.— Osten Sacken, Mon. Dipt. N. Amer.. 4, pi. 3. fig. 3 (hvp.); 1809. Alex- 

 ander, Cfis. N. Y., L pl. 31, fig. 21 (wing) : 1919. Dickinson, Cfls. W^isc. p. 182, 

 fig. 54 (wing) ; 1932. 



Praescutum with a distinct brown median stripe and narrower, 

 subobsolete lateral stripes. Rostrum and antennae black. AVings sub- 

 hyaline, cord and outer end of cell 1st Mj very narrowly and vaguely 

 seamed w^ith brown; stigma restricted to a narrow seam on Ri + o and 

 R-j. Male hypopygium (Fig. 36, A). S. L. 5.5-6 mm.; w. 6-7 mm. 

 9 . L. 6.5-7 mm. ; w. 6-7 mm. 



(Apr.-June; Aug.-Sept.) Ont., Que., N. B., N. S., Me., N. H., Vt., Mass., N. Y., 

 Pa., westw. to Man., 111., Wise, la. and Kan., southw. to S. C, Ga., Fla., Ala. and 

 Miss. 



Connecticut.— Canaan, Tune 10. 1928 (R.B.F.): Farmington. May 16, 1933 (AI.P. 

 Z.): Hamden, June 2, 1928 (R. B. F.), Aug. 31. 1932 (N. T.): Kent Falls, June 

 12-13, 1931, July 23-24, 1931 (C. P. A.): Manitic Lake, June 8-9, 1929 (C. P. A.); 

 New Haven, May 24, 1905 (W. E. B.), May 26. 1904 (H. L. V.), June 20, 1902 

 (E. J. S. M.) ; Putnam, July 12, 1905 (H. L. V.) ; Riverton, June 8, 1929 (C. P. A.) ; 

 Salisbury, Sept. 5, 1928 (G. C.C). 



L. {Dicranonij/ia) longipennis (Schunun.) (Fig. 36, B). 

 1829. Limnobm longipennis Schununel: Beitr. zur Entomol., 1:104. 

 1861. Dicranomyia iminnemor Osten Sacken: Proc. Acad. Nat. Sci. 

 Philadelphia, 1861 : 287. 



Figs. — Osten Sacken, Mon. Dipt. N. Amer., 4, pl. 1, fig. 1 (wing) ; 18o9. 



Snodgrass, Trans. Amer. Ent. Soc, 30, pl. 8, fig. 4 (hyp.); 1904. Alexander, 



Cfls. N. Y., 1, pl. 31, fig. 14 (wing) ; 1919. Dickinson, Cfls. Wise, p. 181, fig. 49 

 (wing) ; 1932. 



