FOLIA. 1 71 



Head aud 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 be5^ond 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 boj'ond it irrorated with fuscous ; a terminal series of small 

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

 irrorated with brown, the veins aud 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. ohscura. Darker and more uniform in colour. 



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

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



Bab. Britain, Leech Coll. ; France, 8and Coll. ; Germany, 

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

 Andalusia; Corsica; Sardinia; Italy, Capri (C. S. Broivne) \ 

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

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

 E. Siberia, Amurland. Hab. ignotus, 1 (S type intermedia. Exp. 

 30-38 millim. 



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



Dull jellowish 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, Guen. Noct. ii. p. 30 (1852). 



Mamestra folia, Schaus, Trans. Am. Eut. Soc. 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 wdiite 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 



