euxoa. 171 



Denmaek, Jutland ; Geemany, Mutzell & Zeller Colls. ; Switzer- 

 land, Frey Coll. : Spain ; Corsica ; Italy ; W. Siberia, Altai, 

 Leech Coll., 2 c? , 3 $ . Exp. 32-44 millim. 



Larva. Meyr. Brit. Lep. p. 90; Barrett, Lep. Brit. iii. p. 281, pi. 124. f. 1. 



Light greenish grey ; dorsal line pale, dark-edged ; lateral line 

 pale or whitish, dark-edged ; tubercles black ; head pale ochreous 

 Avith dark markings. Pood-plants : grasses. Gallium, Stellaria, etc. 



295. Euxoa trifurca. (Plate LX. fig. 13.) 



Agrotis trifurca, Ev. Bull. Soc. Mosc. 1837, p. 31 ; Stand. Cat. Lep. pal. 

 p. 153. 



c? . Head and thorax black-brown mixed with white ; tarsi 

 banded with black ; abdomen ochreous, dorsally tinged with brown, 

 ventrally fuscous. Fore wing grey- white or pale brown, the 

 costal area fuscous to the subterminal line, the interspaces streaked 

 with black-brown, leaving the veins defined by whitish except 

 towards costa ; a double subbasal line from costa to vein 1 inter- 

 rupted in cell ; a double antemedial line, obsolete towards costa, 

 excurved below submedian fold and angled outwards above inner 

 margin ; claviform elongate and defined by black ; orbicular and 

 reniform with black centres and pale annuli defined by black, the 

 former small, elongate, elliptical ; the postmedial line minutely 

 dentate, bent outwards below costa, excurved to vein 4, then 

 oblique; the subterminal line pale, dentate outwards at veins 7, 6,4, 

 3, 2, and defined by dentate black marks on inner side and the 

 area beyond it dark ; a terminal series of black points. Hind 

 wing yellowish white, the veins, costal and terminal areas suflPused 

 with fuscous brown : the underside with the costal area irrorated 

 with brown, a black diseoidal lunule. 



Hah. EussiA, Urals ; W. Siberia, Altai ; Tibet, Kuku Kor, 

 Amdo ; Siberia, Amur, 3 S • Exp. 48 millim. 



296. Euxoa ruta. 



Xylina ruta, Ev. Bull. Mosc. 1851, ii. p. 634; id. 1856, ii. p. 213, pi. 1. 

 f. 5 ; Staud. Cat. Lep. pal. p. 151. 



S . Head and thorax grey mixed with brown ; antenna dark 

 brown ; legs blackish, with white rings at extremities of tibias and 

 tarsal joints ; abdomen ochreous tinged with pale fuscous. Fore 

 wing grey irrorated with fuscous brown, the costal and terminal 

 areas suffused with fuscous brown; the antemedial line indistinct, 

 double, waved, almost obsolete on costal area; claviform elongate, 

 defined by black ; orbicular and reniform with fuscous centres and 

 grey annuli defined by black, the former produced on outer side, 

 the latter angled inwards on median nervure ; the postmedial 

 line barely traceable, bent outwards below costa, excurved to vein 4, 

 then incurved ; an indistinct dentate subterminal line. Hind wing 

 fuscous brown, tinged with ochreous towards base and inner 



