THE MYCET0PHIUD.5 OF NORTH AMERICA. 249 



e. A blackish spot on proximal part of hind coxse 



and adjacent portion of pleura; thorax and 



abdomen reddish yellow, wing band feeble; 



length 8 mm. 12. notahilis. 



ee. Xot as above in all particulars. 



f. R^-f - nearly perpendicular to R^—s. 



g. Last abdominal segment wholly fuscous black, 

 h. Wing spot distinct; length 3.5 mm. Ga. 



26. divaricata. 

 hh. ^^ ing spot subobsolete; fore metatarsus is 

 about 0.25 longer than its tibia; length 

 5 mm. Maine. 



14. fascipennis var. sagax, n. var. 

 gg. Abdomen dusk}'. 



h. Abdomen of male including last segment 

 slightly dusky: fore metatarsus over 0.4 

 longer than the tibia; coalesced part ot 

 media noticeably longer than the petiole. 

 19. siibterminalis. 

 hh. Fore metatarsus less than .25 longer than 

 the tibia ; coalesced part of media shorter 

 or not longer than the petiole ; female. 



14. fascipennis. 

 ff. R=^^. distinctly oblique to R^~. 



g. Subcostal crossvein wanting ; blackish species, 

 wing with slight cloud; length 6 mm. 



9. melasoma. 

 gg. Subcostal crossvein present. 



i. Fore metatarsus longer than its tibia. 



j. Fore metatarsus about 1-6 longer than 



the tibia ; subcostal crossvein is near 



the middle of the subcosta. 



k. Coalesced part of media equal to or 



shorter than the petiole ; hypopy- 



gium (fig. 98) ; preapical cloud 



subobsolete. 20. diluta. 



kk. Coalesced part of media longer than 



the petiole: h}-popygium (fig. 96). 



21. moerens n. sp. 



