150 NEW YORK STATE MUSEUM 
living larvae very much as though they might be employed as p 
hensile organs in somewhat the same way as described for the lary 
of CecidomyiaviticolaO. S. 
Female. Length 2 mm. Antennae as long as the body, spars 
haired, light brown; 14 segments, the fifth with a stem one-fo 
the length of the cylindric basal enlargement, which latter ha 
length three times its diameter; terminal segment produced, t 
cylindric basal portion. with a length five times its diameter ai 
apically bearing a long, slender, fingerlike process. Palpi; the fir 
segment stout, with a length one-half greater than its diamet 
the second twice the length of the first, swollen distally, the thi 
longer and more’ slender than the second, the fourth about as lo 
as the third. Mesonotum light yellowish brown, the submedi. 
lines yellowish. Scutellum and postscutellum pale yellowish. Abe 
men rather sparsely clothed with long, yellowish hairs, yellowi1. 
brown; first segment yellowish basally. Wings hyaline, costa lig’ 
brown; halteres whitish transparent basally, slightly fuscous apical] 
Legs long, slender, a light fuscous yellowish, the distal tarsal Se. 
ments darker; claws stout, strongly curved, pulvilli shorter than t_ 
claws. Ovipositor short, the lobes large, roundly quadrate. Ty- 
Cecid. 875. 
Youngomyia producta n. sp. 
This singular form was taken at Karner Ne Ves ahalyee 1906 © 
bush honeysuckle, Diervilla lonicera. 
Female. Length 1.5 mm. Antennae as long as the body, sparse’ 
haired, light brown; 14 segments, the fifth with a stem about on: 
fourth the length of the cylindric basal enlargement, which latt: 
has a length four times its diameter; terminal segment produce: 
cylindric, with a length five times its diameter and apically a lon. 
fingerlike process swollen basally and separated from the precedir 
by a distinct constriction. Palpi; first segment roundly subquac 
tate, the second with a length about two and one-half times its diam 
eter, the third and fourth subequal, each nearly as long as the seconc 
Face fuscous yellowish. Mesonotum dark brown, the submedia 
lines yellowish. Scutellum deep orange, sparsely setose apically 
postscutellum light orange. Abdomen yellowish orange. Wing 
hyaline, costa light brown: halteres yellowish basally, fuscous trans 
parent apically. Legs light brown; claws long, stout, evenly curvec 
the pulvilli about half the length of the claws. Ovipositor short 
the lobes large, broadly oval, almost circular. Type Cecid. 474 
(See plate 7, fig. 3) 
THOMASIA Rubs. 
I91o Rubsaamen, E. H. Zeitsch. Wissenschaft. Insektenbiol., 15:288 
16:168 
i9it Felt, FE. P. N. Y: Ent. Soc. Jour., 19:53 
1913 Kieffer, J. J. Gen. Insect., fasc. 152, p- 236 
The claws are all toothed, the teeth standing out prominently, thy 
pulvill nearly as long as the claws. The dorsal plate is short, the 
