115 



The following synonymy of this involved species is offered : 



icarioides Bdv. Mts. of California. 



maricopa Reak. 



daedalus Behr. 



phileros Bdv. 



fiilla Edw. 



helios Edw. (?) 

 a evius Bdv. S. Calif. 



b ardea Edzv. Great Basin Region. 



mintha Edw. ? 

 c lycea Edw. Western Rocky Mt. Region. 



d pembina Edzv. Manitoba and Northern Rocky Mts. 



south to Wyoming and Montana. 



P. pheres Bdv. (PI. XI, Figs. 14, 15). 



Typical pheres is only known from the San Francisco Bay re- 

 gion; the types are figured by Oberthur (1. c. Figs. 1944/5); Hol- 

 land's figure of the $ (Butt. Book PI. 30, Fig. 37) is only doubtfully 

 correct, as the color is certainly not sufficiently violet-blue and the mar- 

 ginal spots of hind wings less prominent; it probably is from Van- 

 couver Island and a variety of icarioides, the underside (Fig. 42) of 

 the 2 seems correct; Wright's figures (1. c. PI. 29, Fig. 359) are totally 

 wrong and it is hard to say just what they are, owing to the poor con- 

 dition of the specimens; judging by the underside they appear to be a 

 form of icarioides with reduced spotting; writers generally seem to 

 have identified the Vancouver Is. form of icarioides as pheres al- 

 though the original description mentions S. Francisco as type local- 

 ity. We figure a $ and 2 from the type locality and would call at- 

 tention to the white discal spot in the 2 which is quite characteristic. 



In the $ genitalia there is absolutely nothing to distinguish 

 pheres from icarioides; it seems to be a race of this species which 

 possibly through environment and change of food plant (the food 

 plant is Lupinus chamissonis according to Williams, Ent. News, 1910, 

 p. 41) has practically become constantly variant and may be desig- 

 nated as a species (ride Williams, Ent. News, XIX, 1908, p. 483). 



Orcus Edw. which has generally been considered an aberration 

 of xerces should we think be referred to pheres; the 'pruinose blue' 

 color of upper side with 'broadly fuscous' margin and the 'grey cinere- 

 ous' color of underside with 'scarcely discernible line of submarginal 



