320 THE CANADIAN ENTOMOLOGIST 



enlarged at the apex which bears a row of delicate hairs; a slender 

 subchitinized \entral apical appendage that is directed proximad, 

 slightly tocnhed at the tip and on the lower side just before the 

 tip. (ionapophyses and the penis-guard fused into a very large^ 

 prominent, cylindrical tube that is armed with chitinized horns 

 and fleshy lobes; the dorsal surface of the tube with two subpen- 

 dulous, fleshy lobes that are api)roximated along the median 

 line and densely proxided with short, pale hairs; the horns of the 

 cylinder are directed caudad and slightly \entrad; the outermost 

 horns are very broad at the base tapering to the acute apices which 

 are curved proximad ; the next inner p)air of horns slender, chitinized, 

 bifid at the apex; innermost pair of horns slender, slightly twisted, 

 narrowed to the ai)ex. Ninth sternite with a broad V-shaped 

 median notch, the adjacent angles produced caudo-laterad as 

 fleshy lobes that are provided with numerous setigerous punctures. 



Habitat — Eastern United States. 



Ilolotype — cf, Sacandaga Park, Fulton Co.. New York; 

 June 11, 1914, (Alexander). 



Paratype — cf, topt)tyi)ic. 



The types are in the collection of the author. 



Gonomyia (Gonomyia) filicauda, sp. n. 



Male — Length 4.8-0.2 mm.; wing 0.3-0.4 mm. 



Female — Length 5.4 mm.; wing 0.0 mm. 



Rostrum and palpi dark brown, the last palpal segment 

 slender, equal to the preceding two t(jgether. Antenna' dark 

 brownish black thnnighout, the flagellar segments elongate-oval 

 with an abundant pale pubescence and a few stout, black hairs. 

 Head blackish with a dark gray bloom, slightly paler around the 

 occiput. 



Pronotum pinkish, the median line broadh' dark brown. 

 Mesonotal pra'scutum dark grayish brown without apparent 

 stripes; sides of the prascutum, median area of the scutum, posterior 

 half of the scutellum and sides of the postnotum light yellow. 

 Pleura light yellow with large dark brown areas representing 

 two interrupted stripes, £.s follows: on the proepisternum, mesepis- 

 ternum, mesosternum, a narrow area just in front of the base of 

 the halteres, the anterior face of the fore coxa? and the lateral 



