Etrxo.4^ 21 1 



351. Euxoa olivalis. (Plate LXI. fig. 29.) 



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

 N. Am. p. 89. 



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

 medial line ; thorax with whitish baud behind tegulse ; 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 submedian 

 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, 4, 

 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 $ type. Exp. 32 millim. 



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



Agrotis plagigera, Morr. Proc. Bost. Soc. N. H. xvii. p. 163 (1874) ; id. 

 Proc. Ac. Nat. Sci. Phil. 1875, p. 57 ; Smitli, Cat. Noct. N. Kuk p. 89. 



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

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

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

 grey ; a grey fascia below costa ending in a point bej'ond 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 it, 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 the disk rather paler ; the veins brown ; the cilia 

 white ; the underside with indistinct discoidal lunule and curved 

 postmedial line. 



Hob. U.S.A., Washington, Illinois, Kansas, JN'ebraska, 1 $ Grote 

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

 Exp. 34-38 millim. 



p2 



