400 



THE STUD V OF JNSECl'S. 



The Great Spangled Fritillary, Argyniiis cyhele (Ar-gyn'- 

 nis cyb'e-le). — This species (Fig. 471) will serve to illustrate 



Fig. 471. — A7'gynnis cybele. 



the appearance of the larger members of this group, those 

 belonging to the genus Argynnis. In this genus vein III., 

 of the fore wings arises before the apex of the discal cell. 



There are a number of common fritillaries which resem- 

 ble the preceding in color and markings but which are much 

 smaller, the wings expanding considerably less than two 

 inches. These belong to the genus BrentJiis (Bren^this). In 

 this genus vein III2 of the fore wings arises beyond the apex 

 of the discal cell. 



The Variegated Fritillary, Enptoieta Claudia (Eup-toi-e^ta 

 clauMi-a). — This butterfly agrees with the smaller fritillaries 



{Brent his) in the origin 

 of vein II I2 of the fore 

 wing beyond the apex 

 of the discal cell, but 

 differs from them in the 

 shape of the fore wing, 

 the apex of which is 

 much more produced 



Fig. ^Tz.-Euptoieta claudia. (Fig. 4/2), and thc OUtCr 



margin, except at the apex, concave ; it is also considerably 



larger. 



This species occurs throughout the United States east of 



