EASTERN UNITED STATES. 34I 



to give these parts a russety brown appearance ; the pos- 

 terior part of the fore wings blackish. The yello\7 of 

 the fore wings is repeated, that part in the cell tinged 

 with orange and expanded basally. The hind wings are 

 without distinct spots, but have a ray through the cell a 

 little paler than the rest of the wing. 



Female. — Resembles the male, but lacks the sex-mark 

 above, and has the anteapical row of spots a little more 

 distinct. The under side has the costa of the fore wings 

 more suffused with orange. 



Body dark brown above, sprinkled with yellow scales, 

 and with greenish-yellow hairs. Under side of thorax 

 pale yellowish ; abdomen buff, tinged with brown ; palpi 

 pale yellow, brownish at the ends. Antennse yellow 

 beneath, the tips fulvous; above annulate with brown 

 and yellow ; the knob brown. 



The mature larva is two inches long, cylindrical, with 

 the collar a black line connecting two black lateral spots. 

 Anal plate semicircular, projecting. Body yellowish 

 green, thickly dotted with minute, dark, hair-tipped 

 tubercles; spiracles black; under side bluish. Head 

 obliquely projecting, brownish, the upper part of the 

 face white and marked by three black stripes. 



According to Dr. Chapman, the larva feeds on a 

 species of grass (Claudium effusum), drawing the faces 

 of the strongly-keeled leaves together, and in the tube 

 thus formed lying concealed when not feeding. 



Gulf States, Nebraska. (See Addenda.) 



165. Pamphila ViTELLius, Sm. — Abb. 



Expanse of wings 1.2 inches. 



Male. — Upper surface bright yellow ; fore wings with 



29* 



