146 NEW YORK STATE MUSEUM 
Male. Length .75 mm. Antennae as long as the head, composed 
of 9 segments, the fifth pyriform; terminal segment somewhat 
produced, fusiform, with a length about twice its diameter. Palpi 
long, the first and second segments subequal, subrectangular, the 
third one-half longer, more slender and the fourth twice the length 
of the third; eyes large, black. Mesonotum dull dark brown. 

Fig, 24 Antenna of Microcerata spinosa, enlarged. (Original) 
Scutellum dark reddish brown, postscutellum a little darker. Abdo- 
men dull dark brown, the genitalia fuscous yellowish. Wings rather 
large, hyaline, costa yellowish brown. Halteres yellowish trans- 
parent. Legs a variable yellowish brown, the tarsi a little darker ; 
claws simple, pulvilli large. Genitalia; basal clasp segment long, 
slender, tapering distally ; terminal clasp segment rather long, swol- 
len basally and tapering slightly to an obtuse, curved, thickly haired 
apex; dorsal plate tapering, broadly rounded and thickly setose api- 
cally ; ventral plate tapering to a narrowly rounded apex; style long, 
slender, acute distally. Type Cecid. 1295. 

Fig. 25 Palpus of Microcerata spinosa, enlarged. (Original) 
Microcerata perplexa Felt 
1908 Felt, E. P. N. Y. State Mus. Bul. 124, p. 310 
The female representing this species was taken on the office 
window July 19, 1907, and was presumably reared from some ma- 
terial in the office. 
