156 NEW YORK STATE MUSEUM 
Female. Length 2.75 mm. Antennae extending to the base of 
the abdomen, sparsely haired, dark brown, the basal segments 
fuscous yellowish, 23 segments; eyes narrowly margined posteriorly 
with silvery white. Mesonotum a rich dark brown, the anterior 
lateral angles narrowly margined with silvery white, the submedian 
lines sparsely clothed with light golden yellow scales and with 
broad, submedian, golden vittae anteriorly. Scutellum dark 
brown or black, rather thickly clothed with silvery white scales, 
postscutellum dark brown. Abdomen a rich dark brown, with 
submedian rows of silvery white, transverse, lunate spots on seg- 
ments one to seven posteriorly; in addition there is a series of 
longitudinal, lunate spots just above the stigmatal line. Ovi- 
positor pale yellowish, the venter suffused with silvery white scales: 
except the rather indistinct, yellowish submedian lines. The white - 
scales on the under surface are prolonged laterally and on the 
margins of the segments, and form a series of triangular marks. 
Halteres pale yellowish basally and apically, pale salmon sub- 
apically. Legs with the femora and coxae basally variably yel- 
lowish, the other portions of the legs dark brown, except the base 
of the tibia and the first tarsal segment, which are narrowly annu- 
late with yellowish white; otherwise the anterior and mid tarsi are 
nearly uniform brownish black, the posterior tarsi with the extrem- 
ities of the second tarsal segment narrowly, and those of the others 
broadly annulate, except the distal end of the fifth segment, with 
silvery white. 
Bred April 25, 1907 from slightly enlarged stems of the rose 
marsh mallow, Hibiscus moscheutos, taken on Staten 
istand IN. We 
Type Cecid. arg1o, N. Y. State Museum. 
Choristoneura perfoliata n. sp. 
Male. Length 2 mm. Antennae very short, sparsely haired, 
dark brown, 18 segments. Mesonotum dark brown, the submedian 
lines rather thickly clothed with yellowish setae. Scutellum 
yellowish brown with a few sparse setae apically, postscutellum 
fuscous yellowish. Abdomen dark brown, the segments narrowly 
margined posteriorly with silvery white, the eighth mostly pale 
yellowish, genitalia fuscous. Legs dark brown, the anterior and 
mid tarsi narrowly, and the posterior tarsi broadly banded with 
cinereous. 
