212 NOCTUIDiE. 



353. Euxoa ridingsiana. (Plate LXI. fig. 31.) 



Agrofis ridingsiana, Grvoie, Bull. BufiP. Soc. Nat. Sci. ii. p. 305(1875); 

 'Smith, Cat. Noct. N. Am. p. 90. 



Head and thorax dark brown ; tegulse paler at base and Avith. 

 a black medial line ; abdomen brown, the anal tuft rufous. Fore 

 wing dark brown tinged with grey ; a grey subcostal fascia ending 

 in a point beyond middle ; the median nervure and base of veins 

 3, 4 streaked with grey ; the antemedial line grey, defined by 

 black on outer side, obsolete on costal area, angled inwards on 

 median nervure and vein 1, excurved in submedian interspace and 

 above inner margin ; the orbicular and reniform with flesh-coloured 

 annuli defined by black, the former rounded, the latter well de- 

 veloped ; claviform large, black-edged, with a flesh-coloured streak 

 from it to the postmedial line, which is formed by small dentate 

 black marks, excurved from below costa to vein 3, then oblique ; the 

 subterminal line flesh-coloured, sinuous, excurved at middle and 

 with dentate black marks on its inner side ; a waved terminal black 

 line; cilia brown, fuscous at base. Hind wing brown, the veins 

 and terminal area darker ; cilia white, with brownish line at base. 



Hub. U.S.A., Colorado, 1 c?, 1 5 type, Grote Coll., 1 $ 

 {Cockerell), New Mexico, Arizona. Exp. 34 millim. 



354. Euxoa flavidens. (Plate LXI. fig. 32.) 



Agroiis flavidens, Smith, Pr. U.S. Nat. Mus. x. p. 455 (1887) ; id. Cat. 

 Noct. N. Am. p. 90. 



(S . Head and thorax dark brown, mixed with some ochreous and 

 grey ; tegulge with the basal half ochreous mixed with brown and 

 bounded by a medial black line ; abdomen grey-brown. Fore wing 

 yellowish white sufl'used with dark brown, except on costal area to 

 postmedial line and on inner area ; some black suffusion below base 

 of cell ; the antemedial line obsolete except between median nervure 

 and vein 1, where it is angled outwards in submedian fold; clavi- 

 form elongate, slightly defined by black, and with a yellowish streak 

 from its extremity to subterminal line ; orbicular and reniform 

 yellowish defined by black and with brownish centres, the former 

 nearly round, the cell before and between them suffused with black ; 

 the postmedial line represented by an indistinct series of black points 

 bent outwards below costa, slightly incurved in discal fold and 

 oblique below vein 4, dentate yellowish marks defining veijis 3, 4, 

 6, 7 extending from it to near termen ; the subterminal line 

 represented by a series of small black spots, slightly angled outwards 

 at vein 7 and excurved at middle ; a terminal series of black points; 

 cilia yellowish, with two brownish lines through them. Hind wing 

 yellowish white, the terminal area sitfFused with fuscous brown ; 

 the cilia white ; the underside white, with the costal and terminal 

 areas slightly ii rorated with brown and a slight discoidal brown line. 

 2 . Hind wing wholly suffused with brown. 

 Hah. U.S.A., Colorado, 1 d , Nevada, 1 $ , New Mexico, Arizona. 

 E.rp. 36 raillira. 



