PARASTICnTIS. 



91 



Ab. 1. polyglypha. J . Fore wing with the orbicular small and 

 more rounded ; $ . Grey and fuscous with hardly any red-brown 

 tints. — Palestine, W. Turkestan, Mongolia. 



Ab. 2. infuscata. Much darker, head, thorax and fore wing 

 nearly uniformly suffused with black. 



Bab. Britain, Hebrides, Leech Coll., Scotland, Leech Coll., 

 England, Leech Coll. ; France, Sand Coll. ; Germany, Zeller, Frey, 

 and Leech Colls.; Austria; Hungary; Switzerland; Spain; 

 Italy ; Scandinavia ; Russia, St. Petersburg, Zeller Coll ; Armenia ; 

 Asia Minor, Lydia, Taurus ; Palestine ; W. Turkestan, Leech 

 Coll., Turcomania ; Mongolia, Aksu ; W. Siberia. E.vjp. 50-56 

 millim. 



Larva. Mejr. Brit. Lep. p. 130 ; Barrett, Lep. Brit. iv. p. 365, pis. 177-178. 



Grey or brownish grey to dark purplish grey ; spiracular line 

 pale ; spots large, black ; head and thoracic plate brown or dark 

 brown. Food-plants : Grasses. 9-5. 



2831. Parastichtis dionea. (Plate CX. fig. 2.) 



Hadena dionea, Smith, Can. Ent. xxxi. p. 258 (1899) ; Dyar, Cat. Lep. N. 

 Am. p. 115. 



S . Head and thorax grey mixed with brown and black ; frons 

 with lateral black bars ; tegulse with black lines at middle and tips; 

 tarsi black with pale rings ; abdomen grey suffused with brown, 

 the crests black at tips. Fore wing grey with a violaceous tinge 

 suffused in parts with black-brown ; a sinuous black streak below 

 base of cell ; subbasal line represented by double dark striae from 

 costa ; antemedial line double, oblique and sinuous to submedian 

 fold, then angled inwards on vein 1, an oblique black streak before 

 it above inner margin ; claviform defined by black, acute at 

 extremity and with black streak from it to postmedial line ; orbicular 

 and reniform with whitish annuli defined by black, the former rather 

 oblique elliptical, the latter with its centre defined by blackish ; an 

 indistinct medial line oblique from costa to below cell, then 

 incurved ; postmedial line black, double towards costa, bent out- 

 wards below costa, then with double series of black points beyond 

 it on the veins, indistinct and excurved to vein 4, then incurved and 

 distinct below vein 3, some whitish points beyond it on costa ; sub- 

 terminal line pale, defined on inner side by dentate black mark at 

 middle, excurved below vein 7 and dentate at veins 4, 3, the area 

 beyond it suffused with blackish and with black streaks on the veins 

 and in interspaces ; a terminal series of small black lunules. Hind 

 wing whitish almost uniformly suffused with brown ; cilia whitish 

 at base, brown at tips ; the underside whitish irrorated with brown 

 especially on costal area, the veins with dark streaks, a black 

 discoidal lunule, sinuous postmedial line, and traces of subterminal 

 shade. 



Hah. U.S.A., AVisconsin, 1 (5' , S. Dakota, Volga. Ewp. 40 

 millim. 



