30 



PLATYPTILIA ALBIDORSELLA. 



Platyptilus albidorsellus Wlsm., Pter. Cal. and Ore., p. 13, Plate L, 

 fig. 10 (1880). 



Expanse of wings, 30 mm. Head and thorax white, with a few 

 scattered fuscous scales ; frontal tuft short. Legs whitish tinged 

 with cinereous ; feet and spurs paler. 



Fore wings white, thickly sprinkled with brown, forming a 

 widening streak from the base of the wing to the triangular patch, 

 beyond which it is paler and crossed by a white costal patch and a 

 white line near the outer margin and parallel to it. Fringes ashy, 

 with a brown line at the base. Hind wings white, thickly dusted 

 with brown. Fringes paler brown, much paler at the base. 



Habitat. California. Early stages and food plant unknown. 



PLATYPTILIA GRANDIS. 

 Platyptilus grandis Wlsm., Pter. Cal. and Ore., p. 6, Plate I , fig. 5 (1880). 



Expanse of wings, 36 mm. Head and thorax pale fawn color; 

 antennae brownish fawn color, spotted with white above ; frontal 

 tuft fawn color, shorter than in allied species. Legs very pale, 

 the hind tibse with their extremities darker. 



Fore wings pale fawn color, with the costa and triangular blotch 

 fuscous; two brownish, elongated dots near the middle of the 

 wing, the larger one nearer the base. The lobes are crossed by a 

 pale wavy streak parallel and near .to the outer margin ; a brown 

 line at the base of the fringes, which are dark fuscous except near 

 the anal angle, where they are pale. Hind wings brownish fawn 

 color. Fringes pale except on the hind margin of the third feather, 

 where they are brownish. 



Habitat. California. Early stages and food plant unknown. 



PLATYPTILIA COOLEYI, n. s. 



Expanse of wings, 21-27 mm. Head, thorax and fore wings 

 yellowish brown ; a darker brown spot on the middle of the cell, 

 and two of the same color, one above the other, just before the 

 end of the cleft ; the upper one being absent in some specimens, 

 while in others they are joined, forming a dark-brown dash across 

 the end of the cell. A subterminal whitish stripe occurs on the 

 first lobe. Fringes whitish, with a sub-basal line concolorous with 

 the wing. Hind wings and fringes a little darker than the fore 

 wings. Early stages and food plant unknown. 



