FUNGUS GNATS OF NORTH A:N[1:R]CA. 69 



fFig. 35). Fore metatarsus about 1.3 tibia in length. Wings 

 hyaline, tinged with yellow (Fig. 163). Ithaca, N. Y. 



6. B.vc cilia caiiaJiciila n. sp. 



^lale. Length 5 mm. ]\Iesonotum with 3 wide brown stripes, 

 humeri and space between the stripes yellow ; scutellum, 

 metanotum and pleura paler brown; setre black. Abdomen as 

 in E. abnipta; hypopygium (Fig. 2^^) black. Fore metatarsus 

 about 1.06 the tibia in length, ^^'ings hyaline, yellow tinged 

 (Fig. 164). N. C! N. J., July. 



Female. The brown of the abdomen a little more extended, 

 sixth segment also with yellow margin. N. C. 



7. Bxcchia cincinnata n. sp. 



^lale. Length 3-4 mm. Thorax brown, humeri yellow, setse 

 blackish. Abdomen dark brown, each side of segments 2, 3 

 and 4 each with a yellow triangle one side of which rests on 

 the anterior margin of the segment, the other meeting the side 

 of the opposite triangle along the venter; hypopygium (Fig. 37) 

 yellow, with strong, curved, brown hairs, hence the specific 

 name. Fore metatarsus very little longer than the tibia. Wing 

 hyaline, tinged with yellow (Fig. 165). 



Female. Sides of segment 5 also yellow. Orono, INIaine ! 

 Oct.; Burlington. Vt.. (C.W.J.) June;"Mass., (C.W.J.), Aprii, 

 June. Sept., Dec, Ithaca, N. Y. 



The Orono specimens reared from Boletus grainilatits. 



8 Excchia quadrata n. sp. 

 ^Male and female. Length 4.5 mm. Head, thorax and abdo- 

 men yellow, the apical half of the antennre, center of the 

 mesonotum, metanotum, and the posterior abdominal segment, 

 usually more dusky yellow, hypopygium with a large quad- 

 rangular ventral plate (Fig. 38a). Fore metatarsus about i.io 

 longer than the tibia, ^^'ings hyaline tinged with yellow (Fig. 

 166). Cape May, N. J. (A'iereck) Sept.; Price Co., Wis., 

 iW.M.W:) Aug.'; Ithaca, N. Y. ! Aug. Hemlock Falls, N. J., 

 (Weidt), Aug. 



9. Excchia safiafa n. sp. 

 Male. Length 2.5 mm. Dorsum of thorax usually pale 

 brown, pleura dusky yellow.^ Abdomen yellow, hind margins 



