GENUS ANTHOCHARIS, BtM. 



This genus approaches closely to Pieris, but has generally an auroral spot 

 near the summit of the primaries; the antennae are rather shorter ; club 

 heavier. 



GROUP I. 



.Anthocharis Ausonides, B'drl. Wings white, black at base; primaries 

 with a black cellular spot, and tips black with a white patch bordering on the 

 anterior margin and two small spots near the exterior 

 margin: the same markings appear on the underside 

 subdued and with a greenish tinge: the underside of 

 secondaries white, marbled with olive. Expands one and 

 one-half to one and five-eighth inches. — Colorado. Cali- 

 fornia. 



Anthocharis Creusa, Dbldy. Highily smaller than 

 the above : cellular spot much larger, rhomboidal ; the 

 underside of secondaries with a silvery gloss and more 

 heavily marbled. — Colorado, California. 



^iiitLocharis Oiympia, W. H. Eckw'ds. Wings white ; 

 primaries with a black cellular spot and slight black 

 markings towards the apex ; the olive markings on the underside of secon- 

 daries are slighter than in the preceding species, and the anterior margin 

 with a slight shade of pink. Expands one and one-quaiter inches. — West 

 Virginia, Western States. 



Anthocharis Sara, B'dvl. (Reakirtii, W. H. Edw'ds.) Wings white, black 

 at base ; primaries of male with a large bright red apical patch bordered 

 with black, except at the interior margin ; secondaries pure white with slight 

 black spots on the veins at the exterior margin ; underside of anteriors white, 

 the red patch shows through, though paler and bordered with light yellow 

 at the apex : underside of secondaries white, finely penciled with black : 

 veins orange. Female same as male, but the apex and part of the exterior 

 margin on upperside pale yellow. Expands one and three-eighth to one and 

 three-quarter inches. — Pacific States. 



Anthocharis Julia, W. H. Edw'ds. Male close to the above, but smaller 

 and black borders more prominent ; secondaries pure white : the olive mark- 

 ings on underside of secondaries very heavy. Female, ground color yellow. 

 Expands one and one-third inches. — Colorado. 



Anthocharis Cethura, Felder. Male, wings white with yellow tinge. 

 black at base, sub-apical patch of primaries pale orange as in female 

 Sara.; female, wings same color as in male with the orange patch on pri- 

 maries wanting; markings on underside of secondaries slighter than in 

 Sara, but more greenish. "Expands about one and one-half inches. — South- 

 ern California. 



GROUP II. (Midea. H. Sch.) Anterior wings falcate. 



Anthocharis Genutia, Fabr. Male, wings upperside white, black a» 

 base : primaries with an orange apical patch bordered outwardly with black, 

 and a black discal spot : underside of primaries white, the tips and the 

 whole of the secondaries delicately marbled with gray and black. Expands 

 one and one-half to one and five-eighth inches. — T T . S. 



