ACEOXYCTA. 91 



with black, the basal crest black and white. Eore wing white very 

 thickly irrorated with black ; !>ubbaisal line represented by double 

 black stria3 Irom co&ta and cell ; ant emedial line double tilled in with 

 whitish, oblicjue, waved; oibicular and reniform detined by black 

 and with some black suffusion in centres, the former irregularly 

 rounded, the latter lunulate ; traces ot a medial line, oblique from 

 costa to reniform and erect from submediau fold to inner margin, 

 with a blackish maik before it above vein 1 ; postmedial line double, 

 black, filled in with white lunules except towards costa, bent out- 

 wards below costa, then dentate, incuived below vein 4 and angled 

 outwards at vein 1, some whitish points beyond it on costa; sub- 

 terminal line indistinct, whitish, waved, shghtly defined on outer 

 side by black ; a terminal series of black spots. Hind wing grey 

 suffused and irrorated with fuscous ; the underside white, the 

 costal and terminal areas slightly irrorated with luscous, a dark 

 discoid al lunule and indistinct curved postmedial line. 



Hah. Canada, Manitoba, Aweme (Criddle), Cartwright {Heath), 

 1 $ ; U.S.A., Colorado, Denver, Glenwood Springs, Exp. 50 

 millim. 



Larva. Head shining black. Eody black, dotted with jiale, with 

 a reddish substigmatal band and narrow bioken dorsal and sub- 

 dorsal lines; waits large, the hairs in dense tufts, long, fine ; dense 

 pale brown tufts subdorsally on joints 3 to 6, 12, and 13; four 

 dense black tufts on joint 5 ; two sliort black pencils on joint 12. 

 food-plants : Frunus, Fopulus, tfec. — H. G. J). 



3673. Acronycta pruincsa. (Plate CXXV. fig. 10.) 



Acronycta pruinosa, Gruen. Koct. i. p. 53 (,1852) ; Hirpsn MotLs Incl. 11. 



p. 242. 

 Pulia suluta, Wlk. xxxiii. 723 (1865). 



Head and thorax white slightly tinged with brown in parts and 

 irrorated with black ; palpi with the 2nd joint black at sides ; tarsi 

 banded with black ; abdomen white suffused with pale brown 

 except at base. Fore wing white thickly irrorated with brown and 

 with some brownish suffusion beyond the medial and postmedial 

 lines ; subbasal line represented by a black striga from costa and 

 curved black mark below cell with white spot on its inner side ; 

 antemediai line double, the lines widely separated on costal half 

 and with black points on them from costa to median nervure, 

 oblique, waved ; orbicular white detintd by black and with brown 

 point in centre, round ; reniform defined by black, on outer side 

 reduced to points, its centre suffused with brown and with black 

 lunule on inner side; a diffused dark j)atch on middle of costa and 

 oblique slightly waved line from cell to inner margin ; postmedial 

 line double tilled in bj' white lunulate marks, bent outwards below 

 costa, then dentate, excurved to vein 3, then incurved, some white 

 points beyond it on costa; a subterrainal series of slight white 

 marks in the interspaces ; a terminal series of small black lunules 

 defined by Avhitish lunules and with blackish marks beyond them 



