May, '05] ENTOMOLOGICAL NEWS. 153 



Notes on the Larvae of Certain Lepidoptera. 

 BY F. X. WILLIAMS, San Francisco, Cala. 



Spin* sequoia Shasta County, Cala. Larva hatches from 

 large pale green egg, oval and eliptically flattened, laid usu- 

 ally singly on the underside of leaf of Cerasus sp. (wild 

 cherry). Full grown larva about two inches long, sea green 

 in color, head triangular and greenish as in Smcrinthus. Body 

 very rough and granular ; anal horn green, straight and rather 

 short. The lateral oblique lines are scarlet and spots of the 

 same color are scattered sparsely over the body, their number 

 and distinctness different in different individuals. The larva 

 much resembles a SmerintJnis caterpillar and the pupa resembles 

 the pupa of the latter, being stout reddish brown in color and 

 having no protruding tongue case. 



Larva and eggs of P. Sphinx ? perelegans were found on 

 manzanita. 



Calosaturnia mcndocino Behr. Eggs laid from one to about 

 ten on leaf of manzanita; many eggs parasitized. Full grown 

 larvae of two colors, one a beautiful green, the other a rich 

 reddish brown. The larva is armed with bristles which sting 

 painfully. The cocoon is hidden cunningly. It is sometimes 

 spun between leaves but more often at the base of the trunk 

 of the manzanita, which is covered with the curling bark. 

 The cocoon is spun closely compressed to the trunk and cov- 

 ered with the curling bark in imitation of its surroundings. 

 The larva is rather difficult to rear. 



Larvae of Papilio daunus \vere observed feeding on the 

 Oregon ash. 



A very dark Attacus was reared from a caterpillar feeding on 

 spruce (Shasta County). Larvae were also taken on imui zanila 

 and willow. 



I have taken what I believe to be the larva of Hcpialns 

 sequoiolus Behr. I took several in November feeding in the 

 decumbent stems of yellow lupine and in the thicker roots. 

 The larvae resembles the Hepialid larvae having large dorsal 

 plates of different sizes on the first four segments. 



