196 BULLETIN 190, UNITED STATES NATIONAL MUSEUM 



dark bluish brown with base yellowish red. Hindwing opaque bluish 

 brown, with yellowish base. Abdomen dark purplish brown, with narrow 

 yellow bands on segments 1, 4, and 5 and with anal tuft yellow mixed 

 with black scales. Hindlegs light yellow with brick red tufts at spurs. 

 Male genitalia with terminal edge of harpes more nearly straight and 

 more oblique than in the other described species. 



Female. — Like the male except that it has one more abdominal segment, 

 the sixth, banded with 3^ellow. 



Expanse : Male 18 to 20 mm., female 20 to 23 mm. 



Distribution. — Brownsville, Tex. 



Food plant. — Wissadiula lozanii. 



Type.— \J. S.N. M. No. 56854. From Brownsville, Tex. 



Remarks. — Described from male type, female allotype, 6 male and 5 

 female paratypes, reared by the late Emerson Liscum Diven, a promising 

 young student of entomology who lost his life in the fall of an airplane 

 near the Mexican border while he was on an official survey for the United 

 States Department of Agriculture. 



ZENODOXUS SIDALCEAE, new species 



Plate 32, Figures 182, 183 



Male. — Antennae blackish with narrow yellow annulations. Labial 

 palpi roughly tufted with white, black and yellow scales. Head bluish 

 black. Collar yellow. Thorax bluish black, overlaid with thin, long, 

 soft, yellow, hairlike scales protruding behind the thorax. Forewing 

 bluish black, overlaid, especially on the cell and at termen, with brick-red 

 and yellowish scales. Hindwing thinly scaled with red ; veins black. 

 Abdomen bluish black, thinly overlaid with reddish scales and with first, 

 fourth, sixth, and seventh joints banded with yellow. Posterior tibiae 

 light yellow, strongly tufted with black at spurs ; first joint of posterior 

 tarsus reddish yellow, tufted at tip with stiff, black scales; the other tarsal 

 joints light yellow. Male genitalia typical of the genus ; ventral plate 

 proportionally slightly broader than in the allied species ; terminal edge 

 of harpe slightly rounded, nearly perpendicular to the parallel costal and 

 sacculus edges. 



Female. — With the yellow scaling of the male on thorax, abdomen, 

 and especially on the legs largely supplanted by bright purplish red, with 

 the exception of the abdominal bands, which are yellow as in the male. 



Expanse: Male 13 to 14 mm., female 17 to 18 mm. 



Distribution. — Washington, Oregon, Idaho, Wyoming. 



Food plant. — Sidalcea nervata. 



Type.—\].S.'N.M. No. 56855. 



Remarks. — Described from male type, female, allotype, 5 male and 4 

 female paratypes from Pullman, Wash., and reared by J. F. Gates Clarke ; 



