ETJX04. 169 



291. Euxoa subalba. 



Agrotis suhalba, Wlfc. x. 339 (1856). 



Agrotis nivalis, Feld. Eeis. Nov. pi. 110. f. 11 (1874). 



S . Head and thorax grey- white, irrorated with brown and 

 black scales ; tarsi banded with black ; abdomen white, dorsally 

 tinged with brown, and with sublateral series of black spots. Fore 

 wing pale grey, irrorated and striated with fuscous ; the siibbasal 

 line represented by double striae from costa ; the antemedial line 

 indistinct, double, waved, slightly angled outwards below costa and 

 above inner margin ; traces of the claviform sometimes present ; 

 the orbicular and reniform with indistinct very incomplete outlines, 

 and sometimes with fuscous centres ; the postmedial line very 

 indistinct, excurved from costa to vein 4, then oblique ; the sub- 

 terminal line sometimes defined by blackish spots before it on costa, 

 then beyond it ; a terminal series of black points. Hind wing- 

 pure white, with some dark lunules or points on termen except 

 towards tornus ; the underside with the costal area irrorated with 

 brown. 



Rab. C. Colony (Drege), 1 J type, Capetown (Trimen), 2 J . 

 Eccp. 36-42 millim. 



292. Euxoa robusta. (Plate LX. fig. 12.) 



Agrotis robtista, Ev. Bull. Mosc. 1856, ii. p. 205 ; Staucl. Cat. Lep. pal. 



p. 153. 

 Agrotis trifurca, Herr.-Scbaff. Eur. Schmett., Noct. f. 120, nee Ev. 



(5 . Dark red-brown mixed with grey ; tegulse' with a black line 

 near extremities ; patagia mostly grey ; pectus, legs, and abdomen 

 dark brown. Fore wing dark red-brown, the veins defined by 

 white streaks ; costa black towards base ; the subbasal line double, 

 black, filled in with grey, waved from costa to submediau fold ; the 

 antemedial line similar, angled outwards below costa and strongly 

 above inner margin ; claviform elongate, defined by black ; orbi- 

 cular and reniform with brown centres and grey annuli defined by 

 black, the former round ; the postmedial line black, defined hy grey 

 on outer side, minutely dentate, slightly bent outwards below costa, 

 excurved to vein 4, then oblique ; the subterminal line grey, 

 dentate, and with a series of dentate black marks on its inner side ; 

 a terminal series of small black spots ; a fine pale line at base of 

 cilia. Hind wing fuscous brown, the cilia pale with a dark line 

 through them ; the underside grey, with black discoidal spot and 

 curved dentate postmedial line. 



Hah. Russia, Urals ; W. Siberia, Altai ; Mongolia, Urga, 1 cS . 

 Uxj). 26 millim. 



293. Euxoa trifurcula. 



Agrotis trifurcula, Staud. Iris, v. p. 362, pi. 3. f. 6 (1892) ; id. Cat. Lep. 

 pal. p. 153. 



cJ . Head and thorax dark brown mixed with grey and black ; 

 tegulse with black medial line, the extremities grey ; patagia mostly 



