No. 64] DIPTERA OF CONNECTICUT: TAXONOMY 418 



the liypopy^-iuni, reddish brown. S. L. 8-10 mm. : w U-l 1 mm $ 

 L. 9-10 mm.: w. 9-10 mm. 



(June- Aug.) Que., N. B., Me., N. H., Vt., Mass., N. Y., Pa., westw. to Wise III 

 Minn, and Mo., southw. to Fla., Ala., La. and Tenn. 



Connecticut.— Granby, June 8, 1929 (C. P. A.); Putnam, June 12 1905 (H L \' ) 

 June IS. 1933 (C. P. A.) ; Tyler Lake, June 13, July 23, 1931 (C. P. A.). ' ' " ' 



In Florida, there occurs a more southern species or sul)species. 

 arguta Alexander, smaller, with narrower and less infumed win<rs. 



P. stanwoodae (Alex.) 



1914. Limnophila stamooodae Alexander: Proe. Acad. Xat. Sci. Phil- 

 adelphia, 1914:695-596. 



Figs.— Alexander, Ibid., pi. 25, fig. 5 (wing) ; 1914. Alexander, Cfls. X. V. 1 

 pi. 40, fig. 155 (wing) ; 1919. 



General coloration of thorax yellow to pale brownish yellow; the 

 praescutum unmarked. Antennae with scape pale, pedicel and fla- 

 gellum brownish black. Head jiraj^ish brown. Femora obscure yel- 

 low, the tips narrowly darkened. Winers with a yellow suffusion, the 

 stigma vaguely darkened; Sc^ ending about opposite four-tifths the 

 length of Rs^ R^ some distance beyond fork of i?2+.-5+4. sul)e((ual to or 

 only a little shorter than the unusually short /?i+2. Abdomen yellowish 

 brown, with a dark brown subterminal ring; hypopygimn yellowish. 

 $. L. 6-7.5 mm.; w. 7-8 mm. 2. L. 6.8-7.5 mm.; w. 6.8-8 nmi. 



(June) Ate.. N. H., Vt., Mass., N. Y., southw. to S. C. 



Connecticut.— Manitic Lake, June 8-9, 1929 (C. P.A.); Montville. June 12. 1929 



(W. E. B.); Natchaug State Forest, June 14, 1933 (C. P.A.): Phoenixville, June 



14, 1933 (C. P. A.); Putnam, June 15, 1933 (C. P.A.) ; Stafford Springs. June 

 14, 1933 (C.P. A.). 



P. tenuipes (Say) (Fig. 44, H). 



1828. LimnoUa tenuipes Say; Journ. Acad. Nat. Sci. Philadelphia, 



8:21. 

 1869. Limnoyhila tenuipes Osten Sacken; Mon. l)ii)t. X. Amer.. 4: 



210-211. 

 Figs.—Alexander. Cfl.s. N. Y., 1, pi. 38, fig. 121 (wing): 1919. Dickinson. Cfls. 

 Wise. p. 206, fig. 102 (wing) ; 1932. 



Lateral margins of praescutum broadly yellow, the posterior scle- 

 ] rites slightly more pruinose; pleura yellow. Antennae with basal seg- 

 ments pale, fiagellum black; segments cjdindrical, Avith verticils that 

 are shorter than segments, becoming more elongate and evident on 

 outer segments; in female, antennae shorter, extending to just beyond 

 base of abdomen, with verticils conspicuous on all segments. Head 

 black, sparsely pruinose. Legs brownish yellow to brown. Wnigs 

 (Fi^ 44, H) faintly suffused with dusky; i?2 variable in position but 

 close to fork of ^2+3+4. Abdomen dark brown, the steriutes paler; 

 hypopygimn yellow. $ . L. 7.5 mm. ; w. 7 mm. ? . L. S-J.o mm. : w. 

 8-9 mm. 



(Late Mav-Sept.) Ont., Que., N. B., Me., N. H., Vt., Mass., N. Y., N. J., Pa., 

 westw. to Wise. la.. Mo. and Kan., southw. to Fla., Ga., Miss, and Tex. 

 Connecticut.-East River. Sept. 1910 (Ely); Salisbury, Sept. 12, 1928 (C. P. A.) ; 

 Union, Aug. 17, 18, 1928 (C.F. C). 



