194 NEW YORK STATE MUSEUM 



slightly, deeply and roundly emarginate, the lobes short, stout ; style 

 long, slender. Type Cecid. 197. 



Mycodiplosis aestiva Felt 



1908 Felt, E. P. N. Y. vState Mus. Bui. 124, p. 402 



This light-brown midge was taken June 25, 1906 in a trap lantern 

 at Nassau, N. Y. 



Male. Length i mm. Antennae twice as long as the body, thicklY 

 clothed with fine hairs, light brown, yellowish basally; 14 segments, 

 the fifth with stems two and one-half and three and one-half times 

 their diameters, respectively; terminal segment, basal portion of the 

 stem greatly prolonged, the distal enlargement produced, subcylin- 

 dric, with a slender, spindle-shaped appendage. Palpi; the first 

 segment one-half longer than wide, narrowly rounded, irregular, 

 the second twice the length of the first, stout, narrowly oval, the 

 third a little longer, more slender, the fourth one-half longer than 

 the third, more slender; face yellowish. Mesonotum dark yellowish 

 brown, lighter posteriorly, submedian lines narrow, sparsely haired. 

 Scutellum light reddish yellow with numerous apical setae, post- 

 scutellum light fuscous yellow. Abdomen light brown, basal seg- 

 ments dark reddish brown, the others yellowish basally and rather 

 thickly clothed with yellow setae. Wings hyaline, costa light brown; 

 halteres yellowish transparent. Legs light fuscous yellowish, tarsi 

 light yellow, the terminal segments variably tinged with carmine; 

 claws long, slender, strongly bent at the basal fourth. Genitalia; 

 basal clasp segment long, slender, at the basal third a stout, angular 

 lobe; terminal clasp segment swollen basally; dorsal plate broad, 

 deeply and narrowly incised, the lobes obliquely truncate; ventral 

 plate broad, long, narrowly, deeply and roundly emarginate, the 

 lobes short; style long, slender. Type Cecid. 389. 



Mycodiplosis obscura Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 402 



The hght-brown male was taken June 11, 1906 on sugar maple. 

 Acer s a c c h a r u m , at Albany, N. Y. 



Male. Length .75 mm. Antennae about twice the length of the 

 body, light brown, thickly haired; 14 segments, the fifth with stems 

 two and one-half and three times their diameters, respectively- 

 Palpi; the first segment short, stout, subcylindric, with a length 

 about one-half greater than its diameter, the second rather long, 

 stout, with a length fully three times its diameter, the third about 

 as long as the second, more slender, the fourth a little longer and 

 more slender than the third; face dark brown. Mesonotum rather 

 dark brown, the narrow submedian j^ellowish lines thickly haired. 

 Scutellum yellowish with sparse apical setae, postscutellum yellowish. 

 Abdomen light brown, thickly clothed with fine, yellowish hairs. 



