EASTERN UNITED STATES. 137 



which is on the end of the cell. Fore wings as in the 

 males. 



This species feed on senna, Cassia Marilandica, and 

 possibly other species. The eggs are long, narrow, spindle- 

 shaped; the .sides marked by about thirty longitudinal 

 ribs without cross-strise. When first deposited they are 

 greenish yellow, turning red after a few hours. 



The young larva is whitish, semi-translucent, a few 

 whitish clubbed appendages to each segment. 



The mature larva is about an inch long, cylindrical, 

 thickest through joints 2 and 3. Dorsal surface pale 

 green, the lower part of the sides soft whitish green. 

 Each joint has four or five creases, and on the ridges are 

 small tubercles, which send out short hairs. Along the 

 basal ridge is a whitish stripe, sometimes containing an 

 orange patch to each joint, or there is an orange line the 

 whole length. The chrysalis is long, slen- 

 der ; the ventral side greatly produced, so 

 as to be somewhat triangular. Color of 



o 



dorsum pale green or whitish green, with 

 a darker line ; of wing-cases and ventral 

 side of abdomen, yellow-green, side-ridges 

 cream color, with several brown spots on 

 different parts of the body. Terift8 Nicippe ' 



. . pupa. 



Pacific to the Gulf of Mexico, Missis- 

 sippi Valley, Arizona, California; occasional in New 

 England. 



28. TERIAS MEXICANA, Bd. 



Expanse of wings from 1.6 to 1.9 inches. 



Upper surface pale yellow, the anterior half of the hind 



wings deeper yellow. Fore wings with a broad black ter- 



12* 



