136 MAINE AGRICULTURAL EXPERIMENT STATION. I912. 



Thorax reddish, mesonotum, scutellum and metanomm fuscous, 

 subopaque ; humeri yellow. Abdomen' and hypopygium fuscous, 

 clasper -(Fig. 129). Coxae and legs yellowish, tarsi brown, hind 

 tibia 1-8 longer than the tarsus. Wings hyaline, anterior veins 

 brown (Fig. 248). Halteres brownish, pedicel yellowish. 

 Ithaca, N. Y., August. 



43. Sciara trivialis n. sp. 

 Male. Length 1.5 mm. Fuscous, including antennae, palpi 

 and halteres. Antennse about 3-4 length of the body. 

 Mesonotum subshining; hypopygium dark, clasper (Fig. 130). 

 Coxse and legs yellow, tarsi darker, hind tarsus .8 as long as the 

 tibia. Wings grayish hyalitie, veins dark (Fig. 249). Ithaca, 

 N. Y.; Bronx Park, N. Y.!, (W.B.). 



44. Sciara acuta n. s]3. 

 Male and female. Length 1.75 mm. Black, head and 

 mesonotum highly polished, the latter with the lines of paler 

 hairs Cjuite distinct, antennas, palpi and halteres fuscous, pedicel 

 of the last yellowish at base ; antenna; over 3-4 length of the 

 body in the male; hypopygium dark, clasper (Fig. 131). Coxge 

 and legs pale brown to brown, hind coxae and tarsi darker, hind 

 tibia and tarsi subequal. Wings hyaline, anterior veins brown 

 (Fig. 250). Friday Harbor, Wash. !, and Moscow, Id. (J.M.A.), 

 May; Lawrence, Kas. 



45. Sciara impatiens n. sp. 

 Male. Length 1.25 mm. Fuscous, including antennae which 

 are less than 1-2 as long as the body, intermediate segments 

 being but little longer than broad ; palpi yellow. Thorax sub- 

 opaque ; hypopygium dark, clasper (Fig. 137). Coxje and legs 

 yellow, tarsi darker, hind tarsus slightly shorter than the tibia. 

 Wings grayish hyaline, veins dark, strong (Fig. 252 ). Halteres 

 fuscous. Bred- from larvae found in earth adhering to the roots 

 of Impatiens. Ithaca, N. Y. 



46. Sciara coprophila Lintner. 



Rept. State Ent. X. 394. 1895. 

 M'ale. Length 2.5 mm., slightly shorter in dried specimens. 

 Head and thorax black, subshining, abdomen dark brown to 



