No. 64] DIPTKRA OV CONNECTICUT: TAXdNOMY 



473 



O. nubila ((). S.) (Fig-. 50, J). 



is.jii. Krioptera nuhila Osteii Sackeii; Proc. Acad. Xat Sci I'hiladel- 

 delphia, 1859 : '227. 



1869. Rhypholophus mihilus iMen'^'Acki^wMuwAyxui \ Vhut 4- 

 141-14-2. 



Figs.— Osten Sacken, Mon. Dipt. N. Amer., 4, pi. 1, fig. 14 (wing) ; 1809. Xeed- 

 iiam. 23rd Kept. N. Y. St. Ent. for 1907, pi. 22, fig. 3 (ven.) ; 1908. Alexander, Cfls. 

 N. Y.. 1, pi. 34, fig. 54 (wing) ; 1919. Crampton, Insec. In.scit. Menst., 13, pi. 3. fig. 

 13 (thorax) ; 1925. 



General coloration ijray. the praescutiini with a sin«ilc (huk hrown 

 median stripe. Antennae "brown, the basal segments paler. Halteres 

 pale. Wings with cell 1st M-2 freqnently open by atroi)hy or pai'tial 

 atrophy of m; i?2 shortly before origin of vein R-^ (Fig. 50. J). Ab- 

 domen dark brown, the caudal margins of the segments restrictedly 

 pale. (3. L. 4.5-5 nnn.; w. 5-5.8 nun. $. L. 5.5-() mm.; w. 6.5-7 

 mm. 



(Apr.-early June; Aug.. Sept.) Me.. N. H., \'t., ]Ma.ss., X. Y., Pa., westw. to O. and 

 111., southw. to Va., Tenn. and S. C. 



Connecticut.— Granby, Sept. 4, 1928 (G. C C.) ; Kent Falls, May 3. 1931 (C. P. A.); 

 Riverton, May 16, 1931 (C.P. A.) : Salisbury, May 16, 1931, Sept. 5, 1928 (C.P. A., 

 G. C. C.) ; Tunxis State Forest, Alav 16, 1931 (C.P. A.) : W. Granbv, Sept. 11. 1928 

 (C.P. A.). 



O. palpalis Dtz. 



1916. Onnoski paJpaJis Dietz; Trans. Amer. Ent. Soc, 42: 140. 



Fig.— Dietz, Ihid., pi. 10, fig. 6 (hyp.). 



Belongs to the nigrlpila group. General coloration grayish 

 brown, the praescutum with a darker median line. Antennae brown, 

 the basal four or hve segments yellowish. Wings hyaline, the stigmal 

 region slightly darker. $ . L."8.25 mm.; w. 4.25 mm. 



(Sept., Oct.) Pa. 



O. pygmaea (Alex.) 



1912. Tnriucra pyqmaea Alexander; P.syche, 19: 166. 



1916. Ormosia pil'osa Dietz; Trans. Amer. Ent. Soc. 42: 1H9. 



Figs — \lexander. Ibid., 19, pi. 13, fig. 3 (wing). Dietz, Ibid., pi. 10. fig. 5 

 (hyp.). Alexander. Cfls. N. Y., 1, pi. 34 fig- 58 (wing) ; 1919. 



Belono-s to the nh/npihi Ln-oup. (ionapophyses (hrtVinig fiom 

 those of nlgripila bv beinir relatively short and stout, broad, boarmg 

 an acute spine on oiiter nuirgin just back of the simdarly acute ai)ex. 

 S. L. 3.5-4 mm.: w. 4-5 mm. ?. L. 4.5 uuh.:w. .> mui. 



(Mav-early July; Aug.. Sept.) Que., N. B.. Me., N. H. Vt Mass.. Ct., N. Y.. Pa.. 

 O., Mich.: southw. to N. C. (more northern than nignfila). 



Connecticut.-E. Connecticut, May 24 (C.\yj.); Norfolk, June 9, 1929, Sept. 11. 

 1928 (C.P. A.); W. Granby, Sept. 11, 1928 (C.P. A.). 



