158 xocrrnu:. 



Head and thorax white mixed with dark brown ; 2nd joint of 

 palpi banded with black ; shoulders with blackish stripes ; fore 

 tarsi banded with black ; abdomen white irrorated and suffused 

 with brown. Fore wing white thickly irrorated with brown and 

 suffused with brown beyond the medial and postmedial lines ; sub- 

 basal line represented by double dark stria? from costa; antemedial 

 line double, oblique, waved ; orbicular and reniform with brown 

 centres'defmed by blackish, the former very small, round, the latter 

 large ; medial line oblique from costa to reniform, angled outwards 

 at lower angle of cell and on vein 1, the brown suffusion beyond it 

 strong; postmedial line black defined by whitish on inner side, 

 double at costa, bent outwards below costa, then dentate, slightly 

 incurved at discal fold, incurved below vein 4, some white points 

 beyond it on costa ; a diffused whitish subterminal line slightly 

 defined by brown on outer side and very slightly excurved below 

 vein 7 and at middle ; a series of small blackish spots on termen 

 and base of cilia defined by whitish marks on inner side. Hind 

 wing pure white, the apex slightly tinged with brown ; the under- 

 side with the costal area irrorated with brown. 



Ab. 1. sjyeratina. Rather larger and paler, fore wing with the 

 markings more diffused. — Colorado. 



Bab. Canada, Manitoba, Aweme (Criddln), 1 5 ; U.S.A., Massa- 

 chusetts, Newton, 2 d 1 type, New York, 3 $ , Center (Bailey), 1 £ » 

 Distr. of Columbia, Illinois, Missouri, Colorado, Denver. Exp. 

 34-38 millim. 



Larva. Smith & Dyar, Pr. U.S. Nat. Mus. xsi. p. 155, pi. viii. ff. 31, 32. 



Reddish brown, the body shaded with blackish, more especially 

 dorsally; warts large with thick clusters of brown spinose hairs. 

 Food-plants : Low bushes. — H. G. D. 



3754. Acronycta euphorbiae. 



Koctua euphorbia, Schiff. Wien. Verz. p. 67 (1776); Fabr. Mant. Ins. ii. 



p. 174 (17^7) ; Esp. Schmett. iv. pi. 117. ff. 1-3; Hiibn. Eur. Schmett, 



Noct. ff. 12 & 529 ; Dup. Lep. Fr. vi. p. 247, p). 88. f. 3 ; Herr.-Schaff. 



Eur. Schmett., Noct. ff. 375, 377 ; Frr. Neue Beitr. pis. 177, 538 ; Stand. 



Oat. Lep. pal. p. 133. 

 Roctua obscura, Strom, Dansk Virl. Selsk. Skr. 1783, p. 79. 

 Isoctua euphrasits, Brahiii, Ins. Kal. ii. p. 143 (1791); Dup. Lep. Fr. vi. 



p. 250, pi. 88. f. 4 ; Herr.-Schaff. Eur. Schmett., Noct. ff. 373-4 ; Err. 



Neue Beitr. pi. 537. 

 JS'octua esulce, Hiibn. Eur. Schmett., Noct. f. 613 (1818). 

 Noctua cyparisscz, Hiibn. Eur. Schmett., Noct. f. 615 (1818). 

 Nocttca abscondita, Herr.-Sch;iff. Eur. Schmett., Noct. ii. ft'. 87-89 (1845), 



uec Treit. 

 Acronycta montivaga, Guen. Noct. i. p. 57 (1852). 

 Acronycta rnyruce, Guen. Noct. i. p. 5'J (1852). 



J . Head and thorax white mixed with black, the head slightly 

 tinged with ochreous : palpi with the 2nd joint blackish; irons 

 with blackish bar ; tegulas slightly tipped with black ; tarsi blackish 

 linged with white ; abdomen whitish mixed with fuscous brown. 

 Fore wing grey-white thickly irrorated with black; subbasal line 



