? 
138 NEW YORK STATE MUSEUM 
Face dark fuscous; mesonotum dark brown. Scutellum reddish 
brown, postscutellum darker.” Abdomen pale yellowish with dark 
brown mesially on the basal segment. Legs a nearly uniform pale 
reddish straw color, tarsi slightly darker. 
Taken on hickory at Nassau, N.Y. June 14, 1906. 
Type Cecid. 261, N.Y. State Museum. 
Cecidomyia fraxini n. sp. 
Male. Length: mm. Antennae nearly twice the length of the 
body, sparsely haired, light brown, 14 segments. Mesonotum 
nearly uniform dark brown, submedian lines yellowish. Scutellum 
yellowish laterally, dark orange apically, postscutellum a little 
darker. Abdomen dark reddish, slightly lighter dorsally on the 
second and third abdominal segments. Legs nearly uniform dark 
brown, lighter ventrally. 
Taken on ash at Albany, N.Y. June 10, 1906. 
Type Cecid. 179, N.Y. State Museum. 
Cecidomyia flavomarginata n. sp. 
Male. Length .75 mm. Antennae 4 longer than the body, 
thickly haired, light brown, 14 segments. Mesonotum yellowish 
brown, the broad median area thickly clothed with yellowish 
hairs. Scutellum reddish, the postscutellum probably concolorous. 
Abdomen light brown, anterior segments margined posteriorly 
with yellowish, posterior segments reddish. Coxae yellowish trans- 
parent tinged with reddish apically, femora yellowish transparent, 
tibiae slightly darker, tarsi light brown. 
Taken on clover at Albany, N.Y. June 1, 1906. 
Type Cecid. 109, N.Y. State Museum. 
Cecidomyia triangularis n. sp. 
Male. Length1mm. Antennae longer than the body, sparsely 
clothed with coarse hairs, brown, 14 segments. Face yellowish; 
mesonotum brownish yellow, submedian lines obscure. Scutellum 
reddish. Abdomen brownish yellow, ovipositor pale. Coxae 
white, femora brown above, paler beneath, tibiae a little paler 
than the femora, tarsi brown. 
Taken on Solidago at Lebanon, N.Y. August 26, 1906. 
Type Cecid. 763, N.Y. State Museum. 
