OF WASHINGTON, VOLUME XVII, 1915 83 



men light fuscous sprinkled with black; basal joints above short scales, 

 golden yellow. Legs whitish, heavily barred and dusted with blackish 

 brown; tarsi blackish brown with indistinct narrow white annulations. 

 Alar expanse: 22 mm. 



Habitat: Aveme, Manitoba, N. Griddle, Coll. 



Foodplant: Solidago rigida. 



Type: Cat. No. 19227, U. S. N. M. 



Cotypes in Ottawa Museum. 



Very close to but quite distinct from the type of the genus. 

 Named in honor of my friend Arthur Gibson, who states that the 

 species makes a gall on Solidago rigida just above or close to the 

 ground. 



Gnorimoschema petrella n. sp. 



Labial palpi white, dusted with light fuscous. Antenna? white with 

 dark brown annulations. Face, head and thorax white, strongly dusted 

 with fuscous. Fore wings white, liberally and evenly dusted with brown- 

 ish fuscous atoms and with three small, indistinct, black dots, one on the 

 middle of the cell, one obliquely below on the fold and one at the end of 

 the cell; cilia dusky white, dusted with fuscous. Hindwings dark fuscous 

 with the cilia a shade lighter. Abdomen dark fuscous with whitish under- 

 sides. Legs with heavy dark brown barred exteriorly and with broad 

 dark brown tarsal annulations. Alar expanse: 17 mm. 



Habitat: Hampton, N. H.; May, S. A. Shaw, Coll. 

 Type: Cat No. 19228, U. S. N. M. 



Dichomeris vacciniella n. (--p. 



Labial palpi with moderate, bluntly triangular tuft, brownish fuscous, 

 speckled with white on top of the brush ; terminal joint light brown, dusted 

 with black and with extreme base white externally. Face light brow y n. 

 Head dark fuscous. Thorax and patagia brown. Forewings dark brown, 

 sparsely and irregularly dusted with black scales; three small, round, 

 black dots, edged with white scales, one on the middle of the cell, one 

 obliquely below and before it on the fold and one at the end of the cell; 

 apical part of the wing strongly suffused with purplish black scales, the 

 extreme apical and terminal edge black; cilia dark fuscous with light 

 ochreous brown tips. Hindwings light fuscous, suffused with black on 

 the outer costal part; cilia light gray. Abdomen light ochreous brown, 

 dusted laterally with black. Legs light ochreous brown, suffused exte- 

 riorly with black and with blackish tarsal annulations. Alar expanse: 

 15-17 mm. 



Habitat: Pemberton, N. J., H. D. Scammell, Coll. 



Type: Cat, No. 19229, U. S. N. M. 



A very distinct species, bred by Mr. Scammel from cranberry. 



