FUNGUS GNATS OF NORTH AMERICA. 73 



21. Bxechia capillata n. sp. 



Male. Length 3.5 mm. Thorax and abdomen dark brown, 

 humeri and small spot on venter of segments 2 and 3 faintly 

 yellow; hypopygium yellow (Fig. 52). Fore metatarsus and 

 tibia subequal in length. Wings hyaline, tinged with brown 

 (Fig. 177). 



Female. Like the male but venter yellow, this color extend- 

 ing up on the sides along anterior margin of each segment. 



Kingston, R. L (J.B.), May; Dinwiddle Creek and Torrey's 

 Lake, \\>o. (W.M.W) Sept.; Stanford Univ., Cal. (J.M.A.) 

 Feb. ; Ithaca, N. Y. ! May, Sept. Bred from Collybia dryophila. 



22. Bxechia ohediens n. sp. 



]\Iale. Length 3.5 mm. Thorax and abdomen brown; hy- 

 popygium dusk}^ yellow (Fig. 53). Fore metatarsus about 1.04 

 longer than the tibia. Wing hyaline, tinged with brown (Fig. 

 178). Stanford Univ.! (J.M.A.) Feb.; Berkeley, Cal., 

 (W.M.W.) Alarch. 



2^. Bxechia attrita n. sp. 



Male. Length 3.5 mm. Thorax and abdomen brown, lateral 

 margins of the mesonotum pal^-, posterior end of abdomen 

 darker brown, humeri and venter and sides of segment 2 and 3. 

 yellow; hypopygium dusky yellow (Fig. 54). Fore metatarsus 

 and tibia subequal in length. Wings hyaline, tinged with brown 

 (Fig. 1 79). 



Female. Like the male but venter yellow, this color extend- 

 ing up on the sides along anterior margin of each segment. Wis., 

 (W.]\LW.;) Aug.; R. L (J.B.), Nov.; Ithaca, N. Y. Aug.; 

 Orono, Me., Nov.; Forest Hill, N. J.; (Weidt), Apr., Nov. 



24. Bxechia repanda n. sp. 



Male. Length 3 mm. The mesonotum, scutellum and 

 metanotum brown, the humeri, pleura and lateral margins of 

 the mesonotum yellow. Abdomen dark brown ; the venter of 

 segments i, 2 and 3, the posterior part of the sides of 2, the 

 greater part of the sides of 3, and hypopygium (Fig. 55) yel- 

 low. Fore metatarsus but little if any longer than the tibia. 

 Wings hyaline, tinged with brown (Fig. 180). Ithaca, N. Y. ' 

 Aug. 



Female. Like the male but with abdomen like that of the 

 female of B. attrita. Boston, Mass., (C.W.J. ). Sept. 

 2 



