TRACHEA. ]73 



to near postmedial line and retracted to inner margin ; claviform 

 minute, white defined by black ; orbicular white defined by black 

 and with brown centre, oblique elliptical ; reniform white defined 

 by black on inner side only ; an ill-defined diffused medial line, 

 oblique from costa to median nervure ; postmedial line indistinct 

 from costa to vein 3, then strong, black defined by white on oufer 

 side, slightly oblique at costa, then dentate and produced to slight 

 black and white streaks on the yeins, strongly incurved below 

 vein 5, some white points beyond it on costa ; subterminal line 

 indistinct, whitish, slightly defined by brown on inner side and 

 with minute dentate dark marks before it at middle, angled 

 outwards at vein 7 and somewhat dentate at veins 4, 3 ; a terminal 

 series of black strife ; cilia brown and white. Hind wing greyish 

 suffused with fuscous brown, the terminal area rather darker ; cilia 

 whitish with a dark line through them ; the underside grey-white 

 irrorated with brown, a dark discoidal spot and diffused curved 

 postmedial and subterminal lines. 



Uab. Britain, Leech Coll. ; Germany, Zeller Coll., Moravia ; 

 Austria, Galicia, Hungary; S. Sweden; E-ussia, St. Petersburg, 

 Zeller Coll., Sarepta, Leech Coll. Exp. 36-40 millim. 



Larva. Meyr. Brit. Lep. p. 134; Barrett, Lep. Brit. iv. p. 398, pi. 184. 

 f. 1 ; Hffm. Raup. p. 98. pi. 27. f. 23. 



Yellow-brown ; dorsal line yellowish edged with black : lateral 

 linos dark grey-brown shaded Avith black above and below ; 

 spiracles black ; ventral surface yellowish grey; head brown with 

 two curved black stripes. JFood-plants : Grasses and Phalaris arun- 

 dinacea. 4-5. 



2932. Trachea allecto. (Plate CXII. fig. 11.) 



Hadena allecto, Smith, Can, Ent. xxxi. p. 2G0 (1899); Dyar, Cat. Lep. 

 N. Am. p. 115. 



S . Head and thorax grey mixed with black, the thoracic crests 

 slightly tinged with brown ; frons with lateral black bars ; teg-ul® 

 with strong black medial line : patagia with black streak near upper 

 edge; tarsi black ringed with white; abdomen grey mixed with 

 fuscous, the dorsal crests dark, the anal tuft with some ochreous 

 hair. Fore wing grey irrorated with black ; the medial area 

 faintly tinged with brown, the postmedial area pale except towards 

 costa, the veins streaked with black ; a black streak below base of 

 cell ; subbasal line represented by two black striee from costa ; a 

 black streak above inner margin before the antemedial line, which 

 is double, oblique and slightly sinuous to submedian fold, then 

 angled inwards on vein 1 and outwards above inner margin ; clavi- 

 form slightly defined by black and with strong black streak from it 

 to postmedial line ; orbicular and reniform grey-white defined by 

 black, the latter on inner side only, their centres slightly tinged 

 with brown, the former somewhat oblique elliptical; an indistinct 

 medial line, oblique from costa to vein 2, then incurved ; post- 

 medial line double at costa, bent outwards below costa, then 



