110 NOCTUin.l-], 



3689. Acronycta cuspis. 



Acronycta cuspis, Hiibn. Noch. f. 504 (1818); Treit. Eur. Schmett. v. 1, 

 p. 32 (1825); Dup. Lep. Fr., Siippl. hi. p. 150, pi. 15. f. 1 ; Frr. Neue 

 Beitr. i. pi. 57 ; Boisd. Icones, pi. 71. f. 3; Caland, Tijd. v. Ent. xxxix. 

 p. 163, pi. 8. f. 4 ; Staud. Cat. Lep. pal. p. 132. 



c? . Head and thorax white mixed with fuscous ; 2ad joint of palpi 

 ■with black band ; frons black at sides ; antennae with the basal joint 

 black behind; shoulders and outer edges of patagiawith black streaks; 

 patagia with black medial streaks ; tibiae streaked with black, the 

 tarsi slightly ringed with black; abdomen white irrorated with black 

 and dorsally tinged with brown at base. Fore wing bluish white 

 irrorated with fuscous ; subbasal line represented by double black 

 striae from costa ; a strong black streak in submedian fold from 

 base to antemedial line, the basal half thicker ; antemedial line 

 double, oblique, waved, bent inwards to inner margin ; orbicular 

 defined by black, rather oblique elliptical, connected by a short 

 black streak with the reniform, which is defined by black on inner 

 side, ill-defined on outer ; an irregular oblique black bar from costa 

 to reniform and slight oblique sinuous line from lower angle of cell 

 to inner margin at antemedial line ; postmedial line black defined 

 by white on inner side, double at costa, bent outwards below costa, 

 vhen minutely waved, excnrved to vein 4, then incurved, crossed by 

 a slight black streak in discal fold and strong streak in submedian 

 iV ' i, the latter extending to near termen, the area beyond it very 

 : -ightly darker to the hardly traceable waved whitish subterminal 

 line ; a terminal series of black points with strong black streaks 

 from them intersecting the white cilia. Hind wing white slightly 

 tinned with brown at base, traces of a curved postmedial line ; a 

 diff'used brownish subterminal band ; a terminal series of dark 

 points with slight streaks from them intersecting the cilia; the 

 underside white, the costal area irrorated with a few dark scales, a 

 dark discoidal spot, a postmedial line waved and excurved to vein 5, 

 then oblique, and terminal series of small dark lunules. 

 5 . Hind Aving more suffused with brown. 



Ab, 1. Fore wing without the bluish tinge, suffused with pale 

 brown. 



Ab. 2. Fore wing almost wholly suffused with black-brown. 



Ilah. France ; Germany, Zeller, Frey, and Leech Colls.; Austria, 

 Leech Coll.; HuNGtARy ; Switzerland; Armenia; W. Turkestan, 

 Issyk Kul; E. Turkestan, Hi; E. Siberia, Amurland, Ussuri. 

 Exp. 40-45 millira. 



Larva. Kirby, Butt. & Moths Eur. p. 158; Hffm. Eaup. p. 75, pi. 21. 

 f. 28. 



Resembles that of A. psi, but has a long thick tuft of black hair 

 on 4th somite instead of the tubercle. Food-plant : Alder. 8-9. 



