CLEAR-WING MOTHS OF FAMILY AEGERIIDAE 105 



ALCATHOE PEPSIOIDES FERRUGATA. new race 



Plate 24, Figure 148 



Male. — Antennae ferruginous, pectinations blackish, tips lemon yellow, 

 tufted. Labial palpi rusty brown. Head black mixed with rufous on 

 top ; face violaceous. Collar shiny, rufous. Thorax brown-black in 

 center, roughly covered with rufous hairs on the sides, sordid black 

 beneath. Abdomen bright chestnut, each segment thinly annulated with 

 black posteriorly ; anal tuft and a shorter hairy pencil on each side black ; 

 anal male appendage long, dull brown. Legs rufous, posterior tibiae 

 reddish brown between the spurs, shading into violaceous-black at lower 

 spurs; much thickened first tarsal joint dark brown, terminal joints 

 smooth, rufous. Wings opaque, golden brown; forewing metallic black 

 at base and hindwing w^ith the characteristic vitreous roundish area be- 

 tween veins la and lb at the base. 



Female. — Antennae simple. Anal tuft long, narrow, dark brown. No 

 anal appendage, otherwise like the male. 



Distribution. — Western slopes of Rocky Mountains only, Colorado, 

 New Mexico. 



73,y,^^._U.S.N.M. No. 56839. From Rifle, Colo. 



Remarks. — Described from the male type and 13 male and 15 female 

 paratypes. 



This distinctive race of pepsioides has been reared in long, pure series 

 of both sexes at Rifle and Glenwood, Garfield County, Colo., 5,000 feet, 

 August 4, 1927, and July 22, 1931 (Engelhardt). A small number from 

 the canyon above Glenwood, 6,000 feet, included examples of typical 

 pepsioides and of the race ferrugata. One female of fcrrugata is labeled 

 Taos, Taos County, N. Mex., 7,000 feet, July 29, 1929 (Engelhardt). 



ALCATHOE AUTUMNALIS, new species 



Plate 25, Figure 149 



Male. — Antennae black, orange between the pectinations and at tips. 

 Labial palpi all black. Head lustrous black, with a coarse brush on top. 

 Collar, thorax, abdomen, anal tuft, anal appendage, and legs all black 

 with metallic reflections. Forewing opaque, deep orange; costa, sub- 

 median and median veins, and inner margin heavily scaled with black 

 from wing base to beyond the cell, fringes brownish black ; on the under- 

 side the black shading reduced to near the wing base. Hindwing opaque, 

 deep orange, streaked with black veins ; three hyaline areas, divided by 

 black veins at wing base, the posterior one oval and largest, the others 

 narrow, straight. 



Female. — Antennae bright orange, simple; anal appendage lacking; 

 otherwise like the male. 



Expanse: Male 32 to 36 mm., female 34 to 38 mm. 



Distribution. — Southeastern Texas, Mexico. 



