ACEO.NYCTA. 129 



and slightly angled outwards on vein 1 ; crossed by slight dark 

 streaks in discal and submedial folds ; cilia white, intersected by 

 brown streaks in the interspaces. Hind wing white, the veins 

 irrorated with brown, the terminal area very slightly irrorated with 

 brown ; a slight brown terminal line ; cilia white, intersected by 

 faint brown streaks in the interspaces from apex to vein 2 ; the 

 underside with dark discoidal spot and postmedial series of minute 

 dark streaks on the veins. 



Hab. U.S.A., Washington, Seattle, Colorado, Glenwood Springs, 

 California, Sierra JSTevada, 2 ^ type. Exp. 40-45 millim. 



Larva. Head shining black. Body whitish or yellowdsh, with a 

 reddish-brown dorsal band, a narrower lateral one, and shading 

 subventrally ; hairs long, fine, soft, growing from the skin, white 

 or yellow ; a slender single dorsal black pencil on joints 5, 7, 

 and 12. Pood-plant: Poplar.— H. G. D. 



*3712. Acronycta frigida. (Plate CXXVI. fig. 4.) 



Acronycta friqida, Smith, Ent..News Philad. viii. p. ]48 (1897) ; Smith & 

 Dyar, Pr. U.S. Nat. Mus. sxi. p. 54, pi. xi. ff. 6-10; Dyar, Cat. Lep. 

 N. Am. p. 100. 



Head, thorax, and abdomen dark blue-grey thickly irrorated 

 with black ; palpi blackish at sides ; shoulders with a black streak. 

 Fore wing dark blue-grey thickly irrorated with black ; a black 

 streak below base of cell almost connected with the streak across 

 postmedial line ; subbasal line absent or represented by a black 

 point on costa ; antemedial line absent or represented by a black 

 spot on cx)sta and angled mark in submedian interspace; orbicular 

 slightly defined hj black, narrow and elongate ; medial line absent 

 or represented by dark spots on costa and inner margin ; post- 

 medial line defined on inner side by whitish, bent outwards below 

 costa, then minutely waved, slightly incurved below vein 4 and 

 excurved. at vein 1, crossed by black streaks in discal and sub- 

 median folds, the former very slight ; cilia intersected with black. 

 Hind wing white with discoidal spot showing through from under- 

 side and dark terminal line ; the underside white with dark 

 irroration, a discoidal spot sometimes connected by a streak with 

 base, and postmedial line. 



Hah. U.S.A., California, Sierra Nevada, Truckie. Exp. 44miliim. 

 This species is unknown to me, figured from a drawing from type 

 in U.S. Nat. Mus. 



Larva. As in A. felina, the hairs slightly coarser and less 

 abundant. Food-plant : Willow. — H. G. D. 



3713. Acronycta cyanescens. (Plate CXXVI. fig. 5.) 



c? . Head, thorax, and abdomen blue-grey mixed with fuscous ; 

 palpi blackish at sides. Fore wing blue-grey thickly irrorated with 

 blackish, the veins with slight dark streaks ; a slight sinuous black 

 streak below the cell to near antemedial line, which is blackish and 



VOL. VIII. K 



