ACRONYCTA. 



L07 



antemedial lino giving oft' slight spurs on upper side near base and 

 on underside at middle and forking above and below on antemedial 

 line, which is double, oblique, waved, bent inwards to inner margin, 

 indistinct except at costa ; orbicular and reniform defined by black, 

 the former oblique elliptical, rather acute at lower extremity and 

 with curved black streak from it extending into reniform, which is 

 produced at upper and lower extremities and constricted at middle; 

 an oblique medial blackish striga from costa ; postmedial line black 



Fig. 18. — Aeronycta psi, <$ . 



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

 costa, then recurved and slightly sinuous, angled outwards at. veins 

 4, 3, then incurved and excurved at vein 1, crossed by a fine black 

 streak in discal fold and stronger streak in submedian told from well 

 before it to near terraen, the area beyond it slightly tinged with 

 brown, some whitish points with black points between them on 

 costa ; subterminal line absent ; a terminal scries of black points 

 with slight, black streaks from them intersecting the cilia and double 

 point at submedian fold. Hind wing white, the veins of terminal 

 half tinged with brown, the terminal area irrorated with brown 

 from apex to vein '2 ; a terminal series of dark points ; the under- 

 side with the costal area slightly irrorated with black, a black 

 discoidal spot and traces of a waved postmedial line with blackish 

 spot on costa and minute dark streaks on the veins. 



5 . Hind wing with indistinct sinuous postmedial line, the 

 terminal area suffused with brown. 



Ab. 1. biviryce. Fore wing with the basal area to antemedial 

 line and the postmedial area suffused with black. 



Ab. 2. suffnsa. Darker ; fore wing more irrorated with brown. 



Ab. 3. altaica. Much paler ; fore wing white, tinged with 

 fuscous grey. — Altai, E. Siberia. 



Hob. Britain, Leech Coll. ; France, Sand Coll. : Germany, 

 Zeller, Frey, and Leech Colls. ; Austria; Hungary" ; Switzerland, 

 Yrey Coll.; Spain; Italy', Lepch Coll.; Algeria; Scandinavia; 

 Uussia, St. Petersburg, Zeller Coll. ; Bulgaria ; Armenia ; Asia 

 Minor, Pontus; Syria, Mardin : W. Turkestan, Ferghana; W. 

 Siheria, Altai; E. Siberia, Amurland, Ussuri ; Japan, Yokohama 

 (Manley), 1 J. Exp. 36-50 millim. 



Larva. Meyr. Brit. Lep. p. 141 ; Barrett, Lep. Brit. iii. p. 251, pi. 122. f. 2. 



Blackish or slate-grey ; a broad pale yellowish or whitish dorsal 

 stripe ; lateral series of orange or reddish marks : spiracular line 



