114 PAPEKS BY DE. B. CLEMENS. 



spotted with dark fuscous; the third dark fuscous, annulated 

 with two white rings. Head and thorax ochreous, tegulae 

 with a dark-brown spot in front. Antennse dark fuscous, 

 annulated with whitish. Fore-wings dark brown, ochreous 

 along the inner margin, where it is suffused with roseate. 

 At the base of the wing is a white spot containing a dark- 

 brown dot, and near the base an oblique white band. About 

 the middle of the wing is a large white spot or indistinct 

 broad band, irrorated with dark brownish and tinted with 

 roseate on the inner margin. Near the tip is a costal white 

 spot and a roseate spot opposite on the inner margin, and 

 a whitish spot at the tip. Cilia brownish-gray. Hind- 

 wings dark fuscous-gray, cilia fuscous. Feet annulated with 

 white. 



Fore-wings scarcely pointed. Hind-wings slightly emar- 

 ginate beneath the tip, with an intercostal cell at the 

 base. 



G. Rhoifructella* Head, face and thorax grayish- 

 fuscous. Labial palpi rather dark ochreous. Antennse 

 ochreous, annulated with black. Fore-wings grayish-fus- 

 cous, dusted with dark brown, and with four dark-fuscous 

 dots, one near the base of the fold, two near the middle of 

 the wing (one on the fold and one above it), and one on the 

 end of the disk. Near the end of the wing is an indistinct 

 grayish band. Hind-wings fuscous, cilia the same. 



The larvse may be found in April or early in May, in the 

 fruit spikes of sumach (Ehus Typhina), where they feed on 

 the crimson hairs and exterior envelope of the drupes, with- 

 out however eating the drupes themselves. The larvse are 

 concealed in galleries formed in the fruit spikes, and their 

 presence is indicated by strings of "frass" clinging to the 



* Of this I received three specimens from Dr. Clemens ; it has considerable 

 resemblance with our G. populella, but the anterior wings are broader and 

 blunter, and the anterior segments of the abdomen are not pale. The exp. al. 

 is 8 lines. H. T. S. 



