198 BULLETIN 190, UNITED STATES NATIONAL MUSEUM 



Female. — Antennae slender, simple; much larger than the male and 

 wings not so disproportionate in width. Forewing and hindwing both 

 bright red ; costa and exterior margins conspicuously black, with black 

 areas at apex and anal angle of hindwing; underside of forewing with a 

 large part of inner space black ; costa and margins bright red ; underside of 

 hindwing with black nervures. 



Alar expanse : Male 25 mm., female 27 mm. 



Distribution. — South Arizona. 



Type. — Male. In the United States National Museum, together with 

 large series of both sexes reared from rootstocks of Sphaeralcea ambigita 

 at Zion City, Utah (J. F. Gates Clarke), and Superior, Ariz. (G. P. Engel- 

 hardt). 



ZENODOXUS PALMII SPHAERALCEAE, new race 



Plate 32, Figure 184 



Very similar in size and coloration to typical Zenodoxus palmii but with 

 the red coloration of the wings largely supplanted by yellow and with 

 the blackish parts less conspicuous. 



Distribution. — Eastern Washington. Reared from rootstalks of Sphae- 

 ralcea iininroana (J, F. Gates Clarke, Aug. and Sept.). 



Type.— U.S.N. M. No. 56856. From Snake River, Whitman County, 

 Wash., opposite Clarkson. 



Remarks. — Described from male type, allotype, and male paratype from 

 the type locality ; 4 male and 2 female paratypes from Pullman, Wash. ; 2 

 male and 1 female paratypes from Hooper, Wash. ; and 2 male and 1 

 female paratypes from Boardman, on the Columbia River, Wash. 



ZENODOXUS PALMII INCANAE, new race t 



Plate 32, Figure 185 



Male. — Antennae yellowish, with black ciliation. Labial palpi reddish 

 yellow. Face and head white. Collar yellow. Thorax bluish black, with 

 posterior tip yellow and with two narrow, longitudinal yellow streaks. 

 Abdomen light yellow, slightly overlaid with light reddish brown and with 

 each joint margined posteriorly with a narrow bluish-black line. Fore- 

 wing light yellow, heavily shaded with black on costal half. Hindwing 

 translucent, sparsely speckled with black scales ; basal half of dorsal edge 

 brick red. Legs yellow, with reddish tufts at spurs. 



Female. — Like male except thorax heavily overlaid with yellow ; abdo- 

 men with black transverse lines still narrower and less conspicuous, and 

 nearly absent in some specimens ; hindwings not translucent, largely brick- 

 red, except for the blackish costa and a small yellow spot at tornus. 



Alar expanse : Male 22 to 25 mm., female 23 to 30 mm. 



Type.— U.S. N.M. No. 56857. From Yuma, Ariz. 



Food plant. — Sphaeralcea incana. ■ 



