FUNGUS GNATS OF NORTH AMFRICA. I35 



39. Sciara diluta n. sp. 



Male. Length 1.5 mm. Fuscous, including palpi and an- 

 tennse; mesonotum subopaque, antennae nearly 3-4 length of the 

 body; hypopygium dark, clasper (Fig. 132). Coxae and legs 

 pale brown, tarsi darker, hind tarsus slightly longer than the 

 tibia. Wings grayish hyaline, veins darker (Fig. 251). 

 Halteres yellowish. 



Female. Colored as -the male; larger, halteres infuscated. 

 Both sexes from Ithaca, "N. Y., July. 



Var. a. Male. Similar but more blackish, halteres dark, and 

 teeth of the claspers stronger (Fig. 140). Freeville, N. Y. 



40. Sciara varians n. sp. 



Male and female. Length 2 mm. Fuscous black, including 

 antennas and palpi ; hairs of antennae, thorax and abdomen light 

 gray; thorax subshining; hypopygium dark, clasper (Fig. 115). 

 Antennae about 2-3 as long as the body. Coxae and legs dusky 

 yellow, hind pair more brownish, tarsi fuscous, hind tarsus .10 

 longer than the tibia. Wings grayish hyaline, anterior veins 

 dark (Fig. 246). Halteres dusky yellowish. Lawrence, Kas. 



Var. a. ]\Iale. Similar to the above but smaller, Ri ends 

 more proximad ; and tibia and tarsus subequal in length. 

 Halteres yellow. Ithaca, N. Y. 



Var. b. Male and female. Similar to typical variety but 

 the costa ends nearer Mi and veins are heavier. Ithaca, N. Y. 



Var. c. Male and female. Similar to the typical variety but 

 Ri ends nearly opposite the base of the fork of M (Fig. 255). 

 Moscow, Id. 



41. Sciara scita n. sp. 



Male. Length 3 mm. Fuscous black, including palpi, 

 antennae, halteres and legs ; mesonotum subshining ; hairs and 

 spines brown, antennae about 2-3 as long as the body; claspers 

 of hypopygium as figured (Fig. 128) ; hind tibia slightly longer 

 than the tarsus. Wing brownish hyaline, veins black (Fig. 

 247). Newport, Or'egon! (J.M.A.). 



Female. Antennae shorter, petiole of the cubitus a little 

 shorter, and cell Mi relatively narrower. Wash. 



42. Sciara fiiuiida n. sp. 

 Male and female. Length 2.2 mm. Head and antenna fus- 

 cous, the latter elongate, (apical joints broken), palpi fuscous. 



