134 MAINE AGRICULTURAL EXPERIMENT STATION. I912. 



hind tibia and tarsus subequal. Hypopygium dark, clasper 

 (Fig. 122). Wings hyaline (Fig. 242). Stanford Univ.!, Feb., 

 and Pacific Grove, Cal., (J.M.A.) May. 



35. Sciara nigricans n. sp. 

 Male and female. Length 2 mm. Shining black, mesonotum 

 highly polished, hypopygium dark, clasper (Fig. 125). An- 

 tenna; fuscous, about 3-4 as long as the body in the male, palpi 

 subfuscous. CoxcC and legs pale yellow, tarsi fuscous. Wings 

 grayish hyaline, vein dark, v^ell marked (Fig. 243). Halteres 

 pale yellow. Kingston, R. I.! (J.B.) ; Kas. (Tucker); Ithaca, 

 N. Y. (May- Aug.) 



36. Sciara actuosa n. sp. 

 Male and female. Length 1.5 mm. Black, shining, mesono- 

 tum highly polished, its longitudinal rows of pale setulae con- 

 spicuous ; hypopygium dark, clasper suboval with strong termi- 

 nal spine (Fig. 260), antenna fuscous with grayish pile, about 

 0.6 as long as the body in the male, but only about twice the 

 longest diameter of the eye in length in the fejjiale. Palpi and 

 halteres fuscous ; coxge and legs yellowish brown, tarsi darker, 

 hind tarsi about 1-5 shorter than the tibia. Wings hyaline, 

 anterior veins dark brown (Fig. 217). Niagara Falls (M. C. 

 Van Duzee), Oct.; Ithaca, and Freeville, N. Y., (July). 



37. Sciara sp. 

 Male. Length 2.2 mm. Head brown, palpi yellow, (antennse 

 broken off). Thorax dusky yellowish, the mesonotum fuscous, 

 subopaque. Abdomen dusky yellow, posterior m.argins of the 

 segments more brownish; hypopygium yellowish, clasper (Fig. 

 126). Coxse and legs pale yellow, trochanters black below, 

 tarsi broken. Wings hyaline, anterior veins dusky yellow 

 (Fig. 244). Halteres yellow. Ithaca, N. Y. 



38. Sciara dolens n. sp. 

 Male. Length 1.2 mm. Black, mesonotum subshining; scape 

 and palpi fuscous, flagellum broken ; hypopygium dark, clasper 

 (Fig. 127). Coxae and legs yellow, trochanters black below, 

 hind tarsus i-io longer than the tibia, tarsi infuscated. Wings 

 grayish hyaline, veins dark (Fig. 245). Halteres fuscous with 

 yellow pedicel. Tompkins Co., N. Y., June. 



