T;rxfiA. -I 1 



351. Euxoa olivalis. (Plate LXl. fig. •20.) 



Agrotis olivalis, Grote, N. Am. Ent. i. p. 43 (1879) ; Smith, Cat. Noct. 

 N. Am. p. 89. 



5 . Head, thorax, and abdomen dark brown ; tegulse with black 

 medial line ; thorax with whitish band behind tegulae ; pectus, legs, 

 and ventral surface of abdomen irrorated with grey. Fore wing 

 dark olive-brown ; a whitish fascia below costa and in base of cell 

 ending in a point beyond middle ; the antemedial line angled 

 inwards on median nervure and vein 1 and outwards in subraedian 

 fold and above inner margin where it is whitish ; claviform large, 

 elongate, defined by black ; orbicular and reniform. white-edged and 

 defined by black, the former narrow and very oblique, the latter well 

 developed ; the subterminal line grey with dentate black marks on 

 its inner side and crossed by grey dentate marks on veins 7, 6, -1, 

 3, 1 ; a terminal series of black lunules ; cilia brown, with a darker 

 line through them. Hind wing brown ; the cilia white, with a 

 brown line at base. Underside of both wings with discoidal spot 

 and curved postmedial and subterminal lines. 



Hah. U.S.A., Colorado {Snow), 1 5 type. Exp. 32 millira. 



352. Euxoa plagigera. (Plate LXL fig. 30.) 



Agroils playiqera, Morr. Proc. Eost. Soc. N. H. svii. p. Itio (1874) ; id. 

 Proc. Ac. Nat. Sci. Phil. 1875, p. 57 ; Smith, Cat. Noct. N. Am. p. 89. 



$ . Head and thorax grey, mixed with dark brown ; tegulae 

 whitish in front, with black medial line ; pectus, legs, and abdomen 

 grey mixed with brown. Lore wing fuscous brown, suffused with 

 grey ; a grey fascia below costa ending in a point beyond middle ; 

 an ill-defined black streak below base of cell ; the antemedial line 

 oblique, obsolete on costal area, angled inwards on median nervure 

 and vein 1 and outwards in submedian fold and above inner margin ; 

 an oblique white streak in base of cell to upper edge of orbicular, 

 which is oblique, narrow and open above ; the orbicular and 

 reniform with white annuli defined by a black line : the clavi- 

 form outlined in black ; the postmedial line indistinct, dentate, 

 excurved from below costa to vein 3, then oblique, with a grey 

 streak before it in submedian interspace from below middle of cell 

 and a grey shade beyond if, emitting streaks below veins 7, 6, 4, 3 

 to the subterminal line, which is grey and angled outwards on veins 

 4 and 3 ; a terminal series of black lunules ; cilia grey with two 

 brown lines through them. Hind wing dirty whitish suffused with 

 brown, leaving tlic disk rather paler ; the veins brown ; the cilia 

 white ; the underside with indistinct discoidal lunule and curved 

 postmedial line. 



Uah. U.S.A., Washington, Illinois, Tvansas, Nebraska, 1 $ Groto 

 Coll., Montana, Colorado, 1 $ , Nevada, California, Sanzalito, 1 5 • 

 Erp. 34-38 millim. 



p2 



