342 Annals Entomological Society of America [Vol. XI, 



This species possesses a structural character unknown to 

 the writer in any other species of Sciara, i. e., a row of setae 

 forming apparently a second anal vein. 



Described from 3 males collected at Valle de Papas, Coqueta, 

 Columbia, South America, March, 1912. Type No. 237. Two 

 paratypes. Cornell University collection. 



Neosciara Columbia n. sp. 



Male: Length, 1.2 mm. Head black, dull; antennas fuscous, over 

 half the length of the body, segments of flagellum twice as long as wide ; 

 palpi fuscous. Thorax dull, fuscous. Abdomen fuscous to black. 

 Hypopygium fuscous, with 2 clusters of setas no larger than the sur- 

 rounding setae, one cluster on each side of the mid-ventral line at the 

 base (Fig. 63b) ; clasper (Fig. 63a) over twice as long as wide, with no 

 stout spines, and with about 2 subapical long setae on the inner margin. 

 Legs fuscous; tibiae and tarsi darker than coxae and femora. Wings 

 (Fig. 66) smoky brown; cubitus and media with no setse; base of Rs 

 distad of mid-point between the humeral cross vein and the tip of Ri; 

 Ri ends proximad of the forking of M ; petiole of cubitus as long as the 

 basal section of M; costa extends at least two-thirds the distance 

 between Rs and Mi; Rg ends proximad of .85 the length of the wing 

 and far proximad of the tip of M2. Halteres; knobs fuscous, pedicels 

 fulvous. 



Described from 4 males collected at La Sierra, Columbia, 

 South America, March 1, 1912. Type No. 238. Three paratypes. 

 Cornell University collection. 



