March, 1903.J BUSCK : NOTES ON YPONOMEUTIDiE. 51 



The species is certainly quite distinct from radiatclla which is 

 clearly proven by the absence of any thickened costal membrane in 

 the forewing. 



Habitat : Colorado. 



Food-plant : Berberis repcns. 



Cerostoma barberella, sp. nov. 



AiitennK dark fuscous with a few scattered white scales especially toward apex. 

 Labial palpi black, mottled with light ochreous and white scales; brush on second 

 joint well developed but shorter than terminal joint which is strongly roughened in 

 front. Head and thorax dark pepper and salt colored, black, white and light ochreous 

 fuscous scales being about evenly mixed. Forewings with light whitish steel-gray 

 ground color, strongly overlaid with black and dark fuscous scales ; extreme base of 

 costa black ; an interrupted deep black streak begins at basal third, and runs in the 

 middle of the wing to apex ; other short longitudinal black dashes especially towards 

 the edges give a streaked appearance to the wing when looked at with the naked 

 eye. Cilia ochreous fuscous. Hindwings shining dark fuscous, nearly black towards 

 the edges ; cilia light fuscous. Abdomen dark purplish fuscous. Legs nearly black 

 with strong purple reflection ; tarsi with a narrow white annulation at the end of each 

 joint. Alar expanse, 24 nnn. 



Habitat : Williams, Arizona (Schwarz and Barber), U. S. National 

 Museum, type No. 6756. 



Cerostoma schwarziella, sp. nov. 



Antenna^ dark fuscous. Labial palpi on the outside clothed with blackish-brown 

 light tipped scales, on the inside with light ochreous scales ; tuft short ; terminal 

 joint thickened with rough scales in front. Head and thorax light brown, .shoulders 

 slightly darker, purplish-brown. Forewings light brown, sparsely sprinkled with 

 dark fuscous scales ; from the base of costa to apex of the wing is a straight deep 

 purplish-black streak, broadest at about basal third and slightly attenuated toward 

 the tip of the wing ; along and just inside the dorsal edge is another much less promi- 

 nent, narrower deep black longitudinal streak from base to tornus. Sprinkled in its 

 entire length but especially toward tornus with single white scales. Cilia whitish 

 ochreous. Hindwing silvery fuscous, blackish toward apex ; cilia light ochreous 

 fuscous. Legs ochreous, mottled with black. Abdomen ochreous, sprinkled with 

 black ; ovipositor protruded, horny, with spare long hairs. Alar expanse, 23 mm. 



Habitat: Williams, Arizona (Schwarz and Barber). Also a spe- 

 cimen from Argus Mts., Arizona (Koebele). U. S. National Museum, 

 type No. 6754. 



Cerastoma manella, sp. nov. 



Antennae light fuscous. Labial palpi blackish fu.scous on the outside, on the in- 

 side light ochreous; tuft on second joint small ; terminal joint thickened with rough 

 scales anteriorly. 



