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 narrowdy 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 

 Island, N. Y. 



Type Cecid. ai4io, 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. 



