DTPIITTTERA. 367 



EussTA, St. Petersburg (Sievers) ; Japax, Tsu-shima (Hoist), 

 1 c? . ^xp. 38-56 millim. 



Larva. Kirby, BuU. & Moths Eiir. p. 155; Hffm. Raup. p. 7*=, pi. 22. 

 f. 13. 



Hairy with tufts of hair on 4th and 11th somites ; brownish 

 gi'ey, the incisures bhie, dorsal Hne whitish intersected by transverse 

 whitish lines on dorsal surface ; lateral stripe reddish yellow. 

 Food-plants, Pinus and other trees. 8-9. 



8180. Diphthera acronyctoides. (Plate CCXXXIV. %. 5.) 



Audela acronyctoides, Wlk. Can. Nat. & Geo!, vi. p. 37 (1861) ; Sinitli, Cut. 



Noct. N. Am. p. 31. 

 Panthea Icucomelana, Moit. Proc. Ac. Nat. Sci. Phil. 1875, p. 428. 



Head white, the antennae and vertex brown ; palpi and sides of 

 f rons black ; thorax white mixed with brown, the tegular brown 

 except at tips, the patagia with oblique black bars at middle and 

 tips, the pro- and metathorax with blackish patches ; tibiae and 

 tarsi banded black and white ; abdomen ochreovis white with 

 diffused brown segmental bands. Fore wing creamy white irro- 

 rated with a few brown scales ; a black-brown subbasal line from 

 costa to vein 1 ; a strong waved black-brown antemedial line ; a 

 small spot in middle of cell conjoined to the strong waved black- 

 brown medial line, incurved at submedian fold ; reniform small, 

 defined by black-brown ; postmedial line black-brown, sinuous, 

 angled outwards at veins 5, 4, 3, then incurved to near the medial 

 line and excurved below submedian fold ; subterminal line black- 

 brown, strong and oblique from costa to discal fold, its outer edge 

 angled below vein 7, angled outwards at veins 4, 3, then incurved 

 and waved ; some brown suffusion before termen from apex to 

 vein 4 and a terminal series of brown spots. Hind wing white 

 tinged with brown ; a diffused oblique antemedial brown line ; a 

 brown discoidal spot ; postmedial line indistinct, brownish, waved, 

 excurved beyond lower angle of cell ; a subterminal brown band 

 incurved below vein 3 and ending on termen at vein 1 ; a terminal 

 series of small brown spots ; the underside whiter with the markings 

 much more distinct. 



Hah. Ca^s-ada, Quebec, Rouge R., Ontario, Orono, 1 $ ; U.S.A., 

 Maine, Massachusetts, New York, Buffalo, 1 J , Wisconsin. Exp. 

 38 millim. 



*8181. Diphthera grisea. (Plate CCXXXIV. fig. 6.) 



Panthea grisea, Wileman, Eutoin. 1910, p. 345. 



J . Head, thorax, and abdomen grey- white mixed with black ; 

 antennae brown ; palpi, lower part and sides of frons black ; a black 

 line behind the tegulse ; patagia with two oblique black bars towards 

 tips ; metathorax with a black bar ; pectus and legs grey- white. 



