? 7 ? ^; 



360. 



PIERIS CRATtEGI. 



The black-veined white Butterfly. 



Order Lepidoptera. Fam. Papilionidas. 



Type of the Genus, Papilio Cratsegi Linn. 



PiERis Schr., Lot., Horsf. — Pontia Fab., Sam. — Papilio Linn., S^c. 

 Antennce inserted on the crown of the head, close to the eyes, 

 rather slender, composed of about 35 joints ; the club not abrupt 

 (fig. I. shows portions of the base and apex). 

 Maxillae slender and spiral, scarcely so long as the antennae (3). 

 Labial Palpi porrected obliquely, divaricating at the apex (7. 4), 

 rather short and slender, clothed with scales and hairy beneath, 

 excepting the apical joint (7*. 4), triarticulate, 1st and 2nd joints 

 robust, the former twice as long as the latter and curved at the 

 base, 3rd joint as long as the 2nd slender and narrowed at the 

 middle (4 a). 



Head transverse. Eyes large. Thorax and Abdomen rather slender. 

 Wings subdiaphanous, surrounded by a distinct nervure, the cilia 

 exceedingly short, discoidal cells closed: superior subtrigonate, the 

 apex and posterior angle very round, the apical nervure furcate: 

 inferior somewhat ovate, with a shallow groove to receive the abdo- 

 men. Feet perfect, alike in both sexes. Claws strong and bifid 

 with a slender pubescent appendage outside at the base (8). Pul- 

 villi long and narrow (8t). 



Larvae elongated, slightly attenuated towards the head, cylindrical and 

 hairy ; with 6 pectoral, 8 qbdominal, and 2 anal feet. 



Pupae attached by the tail and a thread round the middle, rather long, 

 head beaked, tail conical. 



CuAT^Gi Linn. Faun. Suec.269. 1034. — Haw. 6.3. — Curtis's Guide, 

 Gen. 765. 



Pale yellowish white. Antennae velvety black, tipped with ochre. 

 Upper side, with the nervures and margin black : superior wings 

 with triangular fuscous marks on the posterior margin at the 

 termination of each nervure, and a long black mark on the trans- 

 verse nervure of the discoidal cell. Under side similar to the 

 upper, but the nervures are blacker and more or less edged with 

 fuscous. 



In the Author's and other Cabinets. 



