TRACHEA. 191 



blackish streak near upper edge ; abdomen grej-. Pore wing grey 

 tinged with fuscous ; a black streak below base of cell ; subbasal 

 line represented by double black striae from costa ; antemedial line 

 double, the outer line bbick, the inner indistinct, filled in with 

 whitish, oblique and incurv-ed at vein 1, a black streak from it to 

 postmedial line in submedian fold ; orbicular pale defined by black, 

 oblique elliptical; reniforra defined by black on inner side and 

 with blackish line in centre ; a faint medial black shade between 

 the stigmata and at inner margin ; postmedial line single, blackish, 

 bent outwards below costa, then minutely dentate, escurved to 

 vein 4, then incurved, some pale points beyond it on costa and a 

 whitish shade on inner area ; subterminal line pale, defined on 

 inner side by a dark shade, angled outwards at vein 7 and excurved 

 at middle ; the terminal area slightly darker except at apex : a 

 terminal series of small blackish lunules ; cilia intersected with 

 whitish. Hind wing whitish tinged with brown ; the underside 

 with indistinct postmedial line. 



Hah. U.S.A., Illinois, Chicago, S. Dakota. Exjj. 36 millim. 

 This species is unknown to me ; figured from a drawing from type 

 in U.S. Nat. Mus. 



*2957. Trachea erica. (Plate CXII. fig. 31.) 



Hadena erica. Smith, Can. Ent. 1905, p. 258. 



Head and thorax bluish grey mixed with darker grey and 

 blackish ; frons with black bar ; tegulte with medial black line ; 

 patagia irrorated with black and with blackish streak near upper 

 edge ; abdomen grey. Fore wing bluish grey mixed with dark 

 grey and blackish, the inner half of basal area, the area from apex 

 to beyond the reiiiform, and the postmedial area in submedian 

 interspace much paler with an ochreous tinge ; a curved black 

 streak below base of cell ; subbasal line double, sometimes obsolete, 

 from costa to submedian fold ; antemedial line double, the inner 

 line indistinct, erect and slightly sinuous ; claviform defined by 

 black, usually extending to postmedial line ; orbicular and reniform 

 with whitish annuli defined by black, the former oblique elliptical, 

 the latter somewhat constricted at middle ; postmedial line double 

 at costa, bent outwards below costa, excurved and obsolescent to 

 vein 4, then incurved ; subterminal line pale, oblique towards 

 costa, excurved below vein 7 and at middle ; a terminal series of 

 small black lunules ; cilia with yellowish line at base and dark 

 medial line. Hind wing whitish, the veins tinged with brown, in 

 female wholly tinged with brown ; a slight discoidal lunule and 

 indistinct postmedial line ; the underside with discoidal spot and 

 postmedial line. 



Hah. U.S.A., Utah, Stockton. Exp. 30-34 millim. This species 

 is unknown to me ; figured from a drawing from type in U.S. 

 Nat. Mus. 



