154 NEW YORK STATE MUSEUM 



narrowly annulate with silvery white, those on the posterior tarsi 

 broad, the most of the fourth and fifth segments yellowish white- 



Bred May i8, 1907 from a stem gall much resembling that of 

 Lasioptera desmodii Felt and taken in open woods at 

 Nassau, N. Y. 



Type Cecid. ai477, N. Y. State Museum. 



Choristoneura eupatorii n. sp. 



Male. Length 1.75 mm. Antennae extending to the base of 

 the abdomen, sparsely haired, dark brown, the basal segments 

 sparsely clothed with silvery scales ventrally, 17 segments; eyes 

 black, margined posteriorly with silvery white. Mesonotam dark 

 brown or black, the submedian lines sparsely clothed with fine 

 hairs. Scutellum dark brown, postscutellum yellowish or fuscous 

 brown. Abdomen dark brown with submedian rows of small, 

 lunate, silvery white spots, the markings being on the posterior 

 margin of the first to sixth segments, the terminal segments fuscous 

 yellowish, the venter suffused with silvery white scales. Halteres 

 pale yellowish. Legs dark brown, the first tarsal segment and 

 narrow basal annulations on the Second to fifth, white. 



Female. Length 2.5 mm. Antennae with 23 segments. The 

 other color characters about as in the opposite sex. 



Bred May 2, 1907 from an oval or subglobular swelling on the 

 stem of presumably Eupatorium ageratoides, thickly 

 packed with numerous Cecidomyid larvae in closely webbed 

 cocoons. Rather rare on Staten Island. 



Type Cecid. ai4i3, N. Y. State Museum. 



Choristoneura flavolunata n. sp. 



Female. Length 2.5 mm. Antennae extending to the base of 

 the abdomen, sparsely haired, dark reddish brown, 21 segments; 

 face reddish brown, sparsely clothed with whitish scales, mouth 

 parts fuscous apically. Mesonotum dark brown, almost black, 

 the base of the wing insertions reddish. Scutellum dark brown, 

 with a few yellowish setae apically, postscutellum and abdomen 

 dark brown, almost black, the incisures of the latter dusky reddish, 

 the dorsum of the eighth segment and the ovipositor fuscous yel- 

 lowish; laterally, though hardly ventrally there is a broken band 

 of five somewhat conspicuous subquadrate patches of silvery white 



