AGROTIS. 431 



whitish at extremity ; sides of frons black ; abdomen pale brown, 

 the hair at sides and ventral surface rufous. Yore wing pale 

 suffused with brown-pink ; a dark waved subbasal line from costa 

 to submedian fold ; a black point in cell ; the antemedial line irre- 

 gularly waved, oblique ; the extremity of claviform defined by some 

 black scales ; orbicular and reniform brown-pink, with pale annuli 

 and black outline, the former somewhat quadrate, oblique, open 

 above, the latter constricted at • middle and with its lower edge 

 angled inwards on median nervure, the cell before and between the 

 stigmata black-brown ; the postmedial line bent outwards below 

 costa, excurved to vein 4, then incurved, highly dentate, and with 

 series of points on the veins ; the subterminal line pale, angled 

 outwards at vein 7, with some black suffusion on its inner edge at 

 costa and black points at middle ; a terminal series of black points. 

 Hind wing pale pinkish slightly suffused with fuscous ; a fine 

 terminal dark line ; the underside with discoidal point and indis- 

 tinct sinuous postmedial line. 



Hah. U.S.A., Washington Terr., 1 c? type. Ea^j). 36 millim. 



Larva. (Original.) Head 2-5 millim., pale brown on the sides, 

 reticulate with black, the vertical bands rather straight and all the 

 space between them filled in with black ; band from eye diffused ; 

 a patch behind eye. Body brown, scarcely mottled, somewhat 

 thin-skinned. Dorsal space broadly pale, dusky shaded centrally, 

 sharply limited by the black longitudinal subdorsal dashes ; a 

 dark shade above the position of the obsolete substigmatal band. 

 Cervical shield a little darker than the body, cut by the narrow, 

 faint, white dorsal line and pale-blotched subdorsally ; spiracles 

 black. Probably a general feeder.— H. (x. D. 



740. Agrotis trigonica. 



Agrotis trigonica, Alph. Hor. Soc. Ent. Ross.xvii. p. 43, pi. 1. f. 39 (1872) ; 



Staud. Oat. Lep. pal. p. 139. 

 Agrotis capnoptera, Piing. Soc. Ent. xiii. p. 58 (1898). 



(S . Head and thorax red-brown mixed with grey ; palpi black- 

 brown except at extremity ; abdomen grey, the anal tuft and 

 ventral surface tinged with pink. Fore wing pale red-brown 

 suffused with grey, less prominently on medial area ; a slight 

 curved rufous subbasal line from costa to submedian fold ; the 

 antemedial line oblique, brown, slightly angled outwards on sub- 

 costal nervure and prominently above inner margin ; orbicular and 

 reniform concolorous defined by olive-brown, the former very open, 

 V-shaped, the cell before and between the stigmata and below the 

 orbicular deep olive-brown ; postmedial line double, excurved below 

 costa and at middle, incurved below vein 4, the veins beyond it 

 with slight dark streaks; subterminal line indistinct, greyish, defined 

 by brown on inner side, angled outwards at vein 7 and excurved 

 at middle ; a fine pale terminal line. Hind wing white, irrorated 

 with purplish brown towards termen, the inner margin and cilia 



