T'or.T\. 171 



Head and thorax bluish white with some dark scales ; tarsi with 

 dark rings ; abdomen white tinged with brown except at base. 

 Fore wing bluish white, the medial area suffused with fuscous 

 brown ; subbasal line double, waved, from csota to submedian 

 fold ; antemedial line double, waved, oblique ; claviform moderate, 

 indistinctly defined by black ; orbicular and reniform with fuscous 

 centres and whitish annuli defined by black, the former round, the 

 latter slightly angled inwards on median nervure ; an irregularly 

 waved medial line ; postmedial line double, filled in with white and 

 slightly defined by fuscous on outer side, dentate, bent outwards 

 below costa and incurved below vein 4, the costal area beyond it 

 blackish with some white points on it ; subterminal line indistinct, 

 defined on inner side by small dentate black marks at middle, 

 slightly angled outwards at vein 7 and excurved at middle, the 

 area beyond it irrorated with fuscous ; a terminal series of small 

 black lunules ; cilia chequered black and white. Hind wing whitish 

 irrorated with brown, the veins and terminal area suffused with 

 brown ; cilia white with a brownish line through them ; the 

 underside white irrorated with brown, a discoidal lunula and curved 

 postmedial line. 



Ab. 1. leuconota. Ground-colour of head, thorax, and fore wing 

 pure white. 



Ab. 2. obscura. Darker and more uniform in colour. 



Ab. 3. Corsica. Fore uing with the ground-colour bluish grey, 

 the medial area hardly darker. — Andalusia, Corsica, Sardinia. 



Hah. Britain, Leech Coll. ; France, Sand Coll. ; Germany, 

 Zeller and Frey Colls. ; Switzerland, Zeller and Frey Colls. ; Spain, 

 Andalusia ; Corsica ; Sardinia ; Italy, Capri {C. S. Browne) ; 

 Scandinavia ; Finland, Helsingfors, Zeller Coll. ; Russia, Urals ; 

 Armenia ; Asia Minor ; Syria, Leech Coll. : W. Siberia, Altai ; 

 E. Siberia, Amurland. Hab. ignotus, 1 c? type intermedia. Exjy. 

 30-38 millim. 



Larva. Meyr. Bi-it. Lep. p. 81 ; Barrett, Lep. Brit. iv. p. 222, pi. 161. f. 2. 



Dull yellowish green with dark grey irroration forming obscure 

 blotches ; spiracular line yellower, well-marked ; head greenish 

 ochreous. Food-plants : flowers of Sonchus and Lactuca. 7-8. 



1369. Polia olivocincta. (Plate LXXXIII. fig. 10.) 



Hecatera olivocincta, Gueti. Noct. ii. p. 30 (1852). 



Mame&tra folia, Schaus, Trans. Am. Ent. See. xxi. p. 227 (1894). 



S . Head and thorax white mixed with pale olive-green ; palpi 

 blackish at sides ; tarsi banded with fuscous ; abdomen pale 

 ochreous. Fore wing white irrorated with purplish grey, the 

 antemedial and medial areas suffused with olive-green; subbasal 

 line waved, black, interrupted, defined by white on outer side ; 

 antemedial line black defined by white on inner side, oblique 

 and slightly angled inwards on vein 1 ; the claviform represented 

 by a narrow black patch on its outer side and with a black streak 



