ANTHOCHARIS. 55 



Genus VITI. ANTHOCHARIS Boisd. 

 Boisd. Sp. Gen. i. 556. (1836). 



Pontia Fab., Ochs., fyc. 



Pieris Latr., God'., fyc. 



Ganoris Dalman. 



Synchloe, Euchloe, Aphrodite, Hiibn. 



Head rather small, clothed with long hairs. 

 Eyes round, rather large, and prominent. 

 Labial Palpi longer than the head. Basal joint subcylindrical, more or less curved at the base : 



second joint subcylindrical ; or elongate, ovate : third joint about one third the length of the 



second, slender, subcylindrical, pointed ; or obovate, pointed. 

 Antenna; rather short, terminating in an ovate compressed club, sometimes rather elongate. 

 Thorax moderately stout, clothed with long fine hair. 



Anterior Wings subtriangular, rounded externally, or falcate. Subcostal nervule four or five 



branched. First discoidal nervule united for some distance beyond the cell to the subcostal 



nervure. Lower disco-cellular nervule rather long, curved. 

 Posterior Wings obovate, the abdominal channel sometimes not much developed. Precostal nervure 



simple. Discoidal nervure appearing to be a third subcostal nervule. 

 Leys rather slender. Claws very deeply bifid. Paronychia lanceolate, not so long as the claws. 



Pulvillus jointed, generally as long as, or longer than, the claws. The basal joint sometimes 



slender and very long. 

 Abdomen rather elongate, often nearly as long as the abdominal margin of the wings, slender. 



Larva slender, tapering considerably towards each extremity, pubescent. 



Pupa elongate, navicular, much arched, very pointed at each extremity, slightly keeled down 

 the back ; the segments of the abdomen not movable. 



Anthocharis is easily distinguished from Pieris by its palpi, which have the last joint very short, and also by the very 

 different form of the pupa. 



The habits of this genus much resemble those of Pieris, but the flight of the European species is stronger and more 

 rapid. 



The Larvae, as far as known, live cm various cruciferous plants, and are more slender than those of the Pieridas. 



The Pur.r. are remarkable for their elongate form, pointed at each extremity, and differ from those of Pieris in not 

 being tubercnlate at the sides, and in having the abdominal segments immovable. 



ipril, 1847. Q 



