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



Key to Species 



1. Trichiation of wing-cells extensive, including all apical cells from 7?i to 



Mi inclusive ; praescutal stripes dark. (Trichotipiila) oropezoides 



Trichiation of wing-cells restricted, confined to cells Ri to 2iid M-j, inclu- 

 sive ; praescutal stripes paler than the interspaces 2 



2. Coloration bright polished yellow, reddish and black; vertex polished, with 



a linear median darker stripe ; antennae ( $ ) short, not attaining the 

 wing-root : trichia of cells restricted to a small group in cell /?„ and, 



rarely, in cell M^ (Odontotipula) unifasciata 



Coloration dull brown and yellow, the praescutal stripes paler than the inter- 

 spaces : vertex opaque, unmarked ; antennae ( S ) elongate, reaching about 

 to base of abdomen: trichia of cells including cells Rj to 2>id Mo (Cincto- 

 tipula ) 3 



3. Antennae with flagellar segments bicolorous ; basal enlargements of individ- 



ual segments black, the remainder yellow unimaculata 



Antennae with flagellar segments uniformly darkened algonquin 



Tipula {Trichot'qnila) algonquin Alex. 



1915. Tipula {Cincfotipiila) <iJ(/ongiiut Alexander: Proc. Acad. Nat. 

 Sci. Philadelphia, 1015^: 469-471. 



Figs.— Alexander, Ibid., pi. 16, fig. 2 (wing), pi. 17, fig. 24; pi. 19, fig. 44; 

 pi. 20, fig. 61 (hvp.). Alexander, Cfls. N. Y., 1, pi. 43, fig. 197 (wing) ; pi. 49, fig. 

 260; pi. 53, fig. 324 (hyp.); 1919. 



Basal two antennal segments dull yellow. Praescutal stripes 

 brownish yellow, interspaces dark brown. Abdominal tergites light 

 yellow, posterior borders of segments with broad dark margins. 

 $. L. 11.5-12.0 mm.; w. 11-12.5 mm.; antenna, 5.5-6 mm. 9. L. 

 13 . 5 - 14 mm. ; w. 13 - 13 . 5 mm. 



(July-Sept.) Out.. Me., N. H., Vt., Mass., N. Y., N. J., Pa., westw. to Ind. and 

 Mich., southw. to N. C. and Tenn. 



Connecticut.— .Salisbury, Sept. 12, 1928 (G. C. C). 



T. {Trichot'ipula) oropezoides Johns, 

 1909. Tipula oropezoides Johnson; Proc. Boston Soc. Nat. Hist., 

 34 : 131-132. 



Figs.— Alexander, Cfls. N. Y., 1, pi. 43, fig. 195 (wing), -pi. 49, fig. 258, pi. 

 .S3, fig. 330 (hyp.); 1919. v s^, p . s . i 



General coloration dull gray to yellowish gray. Antennae short 

 \\\ both sexes: Hagellum uniformly darkened. Male hypopygium with 

 dorsal portion of sternite produced caudad into a slender, fino-er-like 

 hairy lobe. i. L. 10-11.5 mm.: w. 11.5-13.5 mm. 9. L.^14-15 

 mm.; w. 12.5- 13.5 nun. 



(Late Alay. June) Ont., Que., N. B., Me., N. H., Vt., Mass., N. Y., westw. to 

 Ind. and Mich., southw. to S. C, Tenn. and n. Fla. 



Connecticut-Canaan, June 10 1928 (R.B.F.); Cornwall Bridge, May 30. 1931 



9irfo.\' fr '^ aT' ^^t'P'; ]? ^'^'^= ^'"^ ^'^'^■'' M^y ^1' 1931 (C.P.A.), June 

 12-13 1931 (C. PA.); N folk, j,,„^ ^ 1929 (C.P.A.); May 31, 1931 (C.P.A.) 

 Sahs^^u^y June 10. 1928 (R. B. F.) ; Storrs (H. W. C.) ; Winsted, Tune 9, 1929 



