HYDRCECIA. 6 1 



white very faintly tinged with ochreous ; the underside with the 

 costal area slightly irrorated with fuscous. 



Hub. W. France, Charente Int., Hoyau in Coll. Hucherard. 

 E.iy. <S 42, 2 52 rnillirn. 



Skct. II. Antennas of male bipectinate with very short fasciculate branches. 



A. Fore wing of male white tinged with rufous, of female grey 



with the medial area rufous pallescens. 



B. Fore wing of both sexes ochreous-white tinged with rufous., mediaiis. 



4333. Hydroecia pallescens. (Plate CXXXVII. fig. 26.) 



Hi/droecia pallescens, Smith, Trans. Am. Ent. Soc. xxvi. p. 25 (1899) ; 

 Dyar, Cat. Lep. N. Am. p. 175. 



<$ . Head and thorax white slightly tinged with rufous ; tarsi 

 rufous ringed with white ; abdomen white with a very faint rufous 

 tinge. Fore wing white tinged with rufous, more strongly on 

 medial area except towards costa; suhbasal line indistinct, whitish, 

 angled outwards on subcostal nervure and ending at submedian 

 fold; antemedial line white, angled inwards on subcostal nervure, 

 strongly excurved to submedian fold, then sinuous ; claviform 

 represented by a faint pale mark ; orbicular and renit'orm whitish, 

 undefined, the former rather oblique elliptical ; postmedial line 

 white, strongly bent outwards below costa, then very oblique and 

 slightly sinuous ; subterminal line whitish slightly defined by rufous 

 on outer side, somewhat excurved at vein 7 and middle; cilia white 

 at base, tinged with rufous at tips. Hind wing white with a faint 

 yellowish tinge, the cilia pure white ; the underside with the costa 

 faintly tinged with rufous, an indistinct sinuous postmedial line. 



5 . Head, thorax, abdomen, and wings with the ground-colour 

 grey. 



Hob. Canada, Alberta, Calgary ( Wolley-Bod), 2 J , 1 $ , High R. 

 (Bainl), 1 tf , 1 2 ; U.S.A., Oregon, Fort Klamath. Exp. 50 miilim. 



4334. Hydroecia mediaiis. 



Hydroecia mediaiis, Smith, Trans. Am. Ent. Soc. xxi. p. 74 (1894) ; Dyar, 

 Cat. Lep. JN. Am. p. 175. 



3 . Head and thorax bright rufous mixed with yellowish ; 

 abdomen ochreous tinged with rufous. Fore wing ochreous-white 

 tinged with rufous and slightly irrorated with red-brown, a broad 

 band of rufous suffusion before the postmedial line Irom costa to 

 vein 1 ; antemedial line very indistinct, rufous, oblique from costa 

 to submedian fold, then slightly incurved ; orbicular large, round, 

 defined by a fine rufous line except above ; reniiorm large, defined 

 by a fine rufous line, the upper extremity produced ; postmedial line 

 white, strongly bent outwards below costa and very oblique below 

 vein 7 ; subterminal line very indistinct, pale, angled outwards at 

 vein 7, excurved at middle, then oblique ; a line rufous terminal 



