streak, whose apex just meets that of the costal. 
is very dense on a white ground, and is con- 
band, nearly one-half the breadth of the 
the third costal and dorsal streaks The third 
& spot, not touching the costa, is in- 
dark 
external dark margin is continued into the 
usually unites with a sickle-shaped costal streak, 
apex, and concave toward the costa. The dark 
costal streak is sometimes continued along the 
margined. Opposite it is a long ob- 
Cilia ocherous, with a dark brown hinder mar- 
middle. 
metallic 
in the 
Alar expanse 7.5-9 mm. Hindwings 
= 
Cilia fulvous. Abdomen 
pale yellowish beneath, with a 
on each segment dark. In the female 
or three segments and tuft ocherous, pale ocherous 
in the male. Legs whitish, the first two pair an- 
tibie shaded with ocherous and black scales, 
_ Mills College, Alameda County, California. 
folia Nee. received from Mr. G. R. Pilate. The mine is a 
_ Described from specimens bred from leaves of Quercus 
a... 
somewhat irregular blotch on the upper side of the 
The pupa is formed under a flat nearly circular semi- 
