No. 64] DIPTERA OF CONNECTICUT : TAXONOMY 191 



$. L. about 6-6.5 mm.; w. 7-8 mm. 9. L. about 7-7.5 mm.; 

 w. 8-10 mm. 



(Apr., May) Que., westw. to Alta. and B. C. (Eurasia). 



T. regelationis (Limi.) 



1758. Ti/pvla regelationis Linnaeus; Syst. Nat., ed. 10:587. 



5 . L. about 4.5-5 mm. ; w. 5.5-6 mm. 



(Mar.-Juiie; Nov., Dec.) Northern N. Amer. (Eurasia). Reported by Johnson, 

 probably correctly, from Me. and Mass. 



Connecticut.— Hamden, April 18, 1930 (R.B.F.). 



T. salmani Alex. 



1927. Tvichocera salmani Alexander ; Can. Ent., 59 : 72-73. 



The remarkable male hypopygium is quite unique among the local 

 species. Ninth tergite deeply emarginate, each lobe with a dense 

 brush of long reddish bristles. 6. L. about 4-4.5 mm.; w. 5-5.5 mm. 



(Oct.-Jan.) Mass.; still known only from Amherst. 



T. saltator (Harr.) 



1782. Tipiila saltator Harris; Expos. English Ins., p. 57. 



1824. fTHchocera scutellata Say; Long's Exped. St. Peters R., Ap- 

 pend., p. 360. 



1848. ITHchocera hrumalis Fitch; Winter Ins. N. Y., p. 9. 



1848. THchocera gracilis Walker ; List Dipt. Brit. Mus., 1 : 84. 



1912. THchocera inontana Brunetti ; Fauna Brit. India, Dipt. Nemat., 

 p. 513. 



1924. Ti^hocera saltator Edwards; Ann. Mag. Nat. Hist., (9) 14: 

 174. 



Figs.— Alexander, Cfls. N. Y.. 1, pi. 41, fig. 165 (ven.) ; 1919. Young, Cor- 

 nell Univ., Agr. Expt. Sta. Mem. 44: 284, pi. 10, fig. 10 (thorax) ; 1921. Dickinson, 

 Cfls. Wise, p. 173, fig. 42 (ven.) ; 1932. 



Coloration brownish black, gray pruinose, the praescutum with- 

 out distinct stripes. 5 . L. about 4 mm. ; w. 5-6 mm. 



(Apr., May; Sept.-Nov.) Occasional on warm bright days throughout winter. Ont., 

 Que., Me., N. H., Mass., N. Y., westw. to Ind., Mich., Wise, and Man., southw. to 

 Ga. (Eurasia). 



Connecticut— New Haven, October 21, 1903; Nov. 20 (H.L. V.) ; Yalesville, Oct. 19, 

 1903 (H.L. v.). 



(This species also includes erroneous North American records for 

 Trichocera hiemalis (de Geer), at this time definitely known as Ne- 

 arctic only from the Far North). 



The above synonymy is on the authority of Dr. Edwards and 

 must be assumed to be correct unless very strong proof to the contrary 

 can be produced, 



T. venosa Dtz. 



1921. Trichocera venosa Dietz; Trans. Amer. Ent. Soc, 47: 236. 



