226 NOCTTJID^. 



Sect. II. Antennae of male ciliated. 



2374. Hilliairis. 



Noctua iris, Zett. In8. Lapp. p. 941 (1840) ; Staud. Oat. Lep. pal. p. 205. 

 Noctua crasis, Herr.-Schaff. Eur. Schmett. ii. p. 361 , Noct. ff. 134, 139 



(1845) ; Smith, Cat. Noct. N. Am. p. 147. 

 Orthosia semisigna, Wlk. xi. p. 748 (1857). 

 Agrotis erdmanni, Moscbl. Stett. ent. Zeit. xxxv. p. 158 (1874). 

 Hadena senescens, Grote, Can. Ent. x. p. 235 (1878). 

 Hcidena vigilans, Grote, Bull. Gaol. Surr. iv. p. 176 (1878). 

 Orthosia schildei, Staud. Eom. Mem. vi. p. 510 (1892). 



Head and thorax deep purple-brown, some of the scales tipped 

 with grey ; tegulse rufous at base with dark medial line and grey tips ; 

 pectus and legs grey and brown, the tarsi black ringed with grey ; 

 abdomen grey suffused with fuscous, the anal tuft rufous, the 

 ventral surface suffused with purplish. Fore wing fuscous suffused 

 with purplish red and slightly irrorated with white, chieflj^ on the 

 veins ; subbasal line indistinct, waved, from costa to submedian 



Fig. 70. — Hillia iris, c? . !• 



fold ; antemedial line almost obsolete, double, waved ; claviform 

 usually represented by a black point at its extremity : orbicular 

 oblique oblong, strongly defined by black at sides and open above 

 and below ; reniform strongly defined by black on inner side with 

 white annulus and white lunule in centre ; postmedial line only 

 defined by dark suffusion beyond it, bent outwards below costa, 

 excurved to vein 4, then incurved, some pale points beyond in on 

 costa : subterminal line whitish, punctiform, defined by ferruginous 

 on inner side and strongly by black between veins 3 and 1 ; angled 

 outwards at vein 7 and excurved at middle. Hind wing ochreous 

 grey suffused with fuscous ; the underside tinged with purplish red, 

 a discoidal spot, sinuous postmedial line, and subterminal band all 

 showing through to upperside. 



Ab. 1. crassis. Ground-colour pale grey ; tegulse edged with 

 black; fore wing with purplish-brown suffusion on costal area to 

 subterminal line ; the subbasal and antemedial lines double and 

 distinct ; orbicular grey with some brown in centre ; a brown 

 medial line from cell to inner margin ; postmedial line distinct, 

 defined by grey on outer side, minutely dentate and produced to 

 grey and black streaks on the veins ; subterminal line with slight 

 dentate blackish marks before it at middle ; hind wing greyer. 



Bab. Canada, Hudson's Bay, Albany R., St. Martin's Falls 



