136 MAINE AGRICiaTURAL EXPERIMENT STATION. I912. 



Thorax reddish, mesonotum, scutellum and metanotum 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 triznalis n. sp. 

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

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

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

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

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

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



44. Sciora acuta n. sp. 

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

 mesonotum highly polished, the latter with the lines of paler 

 hairs quite distinct, antennae, palpi and halteres fuscous, pedicel 

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

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

 and legs pale brown to brown, hind coxae and tarsi da:rker, 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 impaticns 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). Coxae 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 Impaticns. Ithaca, N. Y. 



46. Sciara copra phila 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 



