PSAPHIDA. 209 



punctiform postmedial line and diffused subteruiinal and terminal 

 bands ; a terminal punctiform line ; underside with black discoidal 

 spot. 



2 . Head, thorax, and fore wing with the ground-colour black, 

 not purplish brown ; the last with the white markings more 

 prominent ; the postmedial line much more excurved beyond cell 

 and less approximated to reniform, 



Hab. Canada, 1 c? type ; U.S.A., Eastern, Middle, and Central 

 States, jSfew York (Bruce), 1 5 . Exp. 44 millim. 



2349, Psaphida thaxteriana. (Plate CI. fig. 19.) 



Bicojns thaxterianus, Grote, Bull. Buff. Soc. Nat. Sci. ii. p. 196 (1874) ; 

 Smith, Cat. Noct. N. Am. p. 111. 



Head and thorax black-brown mixed with grey ; patagia whiter ' 

 tarsi ringed brown and white ; abdomen grey irrorated with 

 brown, the dorsal crests dark. Fore wing dark brown mixed 

 with grey-white, the terminal area grey- white; a slight black 

 streak below base of cell and a streak in cell to the antemedial 

 line, which is strong, black defined by grey on inner &ide, incurved 

 in submedian interspace and excurved towards inner margin ; 

 orbicular and reniform grey defined by black and with slight dark 

 marks in centres, the former round, the latter rather quadrate ; an 

 indistinct irregularly sinuous medial line ; postmedial line black 

 defined by grey on outer side, strongly bent outwards below costa, 

 incurved at discal fold, strongly incurved and somewhat dentate 

 below vein 4 ; subterminal line closely approximated to the post- 

 medial line, only represented by the contrast between the brown 

 and grey terminal area ; cilia brown and grey. Hind wing grey 

 suffused with reddish brown ; traces of diffused postmedial and 

 subterminal lines ; the underside grey tinged with brown and 

 irrorated with large brown scales, postmedial line diffused, excurved 

 from costa to vein 4, then incurved. 



Hah. U.S.A., Massachusetts, in U.S. Nat. Mus., Pennsylvania, 

 Lucerne Co., 1 d" , Texas. Eocp. 30 millim. 



Larva. Dyar, Journ. N.Y. Ent. Soc. ix. p. 84 (1901). 



Head luteous brown, dotted with whitish, with curved brown 

 lines and a shade on the angle of each lobe. Body vinous brown, 

 a series of segmentary subdorsal white patches, somewhat trilobate, 

 covering tubercles i. to iii. Tubercles, spiracles, and anal plate 

 white. Food-plant, Oak.— H. G. D. 



*2350. PsapMda electilis. 



Bicopis electilis, Morr. Proc. Bost. Soc. Nat. Hist, xviii. p. 114 (1875) ; 

 Smith, Cat. Noct. N. Am. p. 111. 



Head and thorax grey ; patagia with two white bands, black on 

 outer side ; abdomen short, dark. Fore wing cinereous grey ; a 

 strong black streak below base of cell through the claviform to 



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