TRIPH^NA. 639 



1100. Triplisena minimalis. (Plate LXXVII. fig. 14.) 



Agrotis minimalis, Grote, N. Am. Ent. i. p. 45 (1879) ; Smith, Cat. Noct. 

 N. Am. p. 52. 



$ . Head and thorax reddish chestnut slightly mixed Tvith 

 fuscous; palpi black, the extremit}- of 2nd joint grey; legs grey 

 irrorated with rufous and black ; abdomen grey, with the hair at 

 sides and anal tuft rufous and the ventral surface irrorated with 

 rufous. Pore wiug chestnut-red slightly irrorated with black ; a 

 subbasal black line from costa to submedian fold ; an oblique 

 waved antemedial line ; orbicular and reniform with pale anuuli 

 and some black on their lower extremities, the former oblique, 

 elliptical, the latter placed on the medial shade which expands 

 towards costa, where there is a black point ; the postmedial line 

 dentate, beut outwards below costa, excurved to vein 4, then 

 oblique ; a broad deep chestnut baud before the subterminal line, 

 which has a blackish spot at costa and is excurved below costa and 

 at middle ; a terminal series of black points ; cilia dark brown. 

 Hind wing fuscous brown, the cilia pale with brown line through 

 them ; the underside with discoidal spot and curved postmedial 

 line. 



Hah. U.S.A., Maine, Colorado (Snoiu), 1 2 type. iSlv^j. 30 

 millim. 



1101. Triphsena ciipidissima. (Plate LXXVII. fig. 15.) 



Agrotis cttpidissima, Grote, Can. Ent. vii. p. 101 (1875) ; Smith, Cat. Noct. 

 N. Am. p. 56. 



$ . Pale ochreous brown, sometimes tinged with rufous : palpi 

 rufous ; abdomen at sides and anal tuft rufous ; pectus, legs, and 

 ventral surface, of abdomen irrorated with black. Pore wing irro- 

 rated with black, sometimes verj' slightly, the markings fairly 

 well-defined or almost obsolete ; a double, waved, subbasal line from 

 costa to submedian fold ; a double, Avaved, oblique antemedial line ; 

 orbicular and reniform with pale outlines, the centres irrorated with 

 black ; the postmedial line indistinctlj^ double, dentate and produced 

 to points at the veins, beut outwards below costa, excurved to vein 

 4, then incurved ; the subterminal line with some difi'used black on 

 its inner side at costa, slightly angled outwards at vein 7 and 

 excurved at middle ; a terminal series of black points. Hind wing- 

 fuscous brown, deeper towards termen ; the cilia whitish with a 

 brown line through them ; the underside greyish irrorated with 

 black, a discoidal spot and sinuous postmedial line. 



Hah. U.S.A., California, Mendocino, Sanzalito, 4 5 , type. Exp. 

 40 millim. 



Larva. (Original.) Head2-5 millim., shining pale brown, reticulate 

 with dark brown, the curved vertical band and streak upward from 

 eye broad and distinct. Body rather dark brown, finely mottled and 

 dotted in dark brown on a cream-coloured ground, which appears 

 dorsally on joints 5 to 12 in diftuse segmental patches widening the 



