PLEKOMA. 297 



^\X'fIg•e-shapcd black marks, in rsubmediaii fold forming a white 

 streak io postmcdial line with blacki.sh streaks al)ovc and below it. 

 Hind wing uniform fuscous brown ; the underside grey thickly 

 irrorated with brown, and with slight discoidal lunule and traces of 

 sinuous postmedial line. 



Hub. U.t^.A., Colorado, Glenwood Springs (Barnes), 2 J • Ex2y. 

 34 millim. 



2464. Pleroma ciuerea. (Plate CIII. fig. 20.) 



Plcroma ohliquata, Smith, Trans. Am. Eat. Sec. xviii. p. 114 (18'Jl), part. 

 Pleroma ciuerea, Smith, Psyche, si. p. 50 (1904). 



J . Head and thorax bluish white mixed with some brown ; 

 palpi fuscous at sides ; frons with fuscous bar ; vertex of head wdth 

 fuscous spot ; tcgulo} with black line near base and brown tips ; 

 abdomen whitish irrorated with fuscous. Fore wing bluish white 

 irrorated Avith browni, the veins with fine black streaks ; ante- 

 medial line acutely angled outwards on median nervure and inwards 

 in submedian fold, then almost obsolete ; clavifoj'm and orbicular 

 obsolete; reniform minute and very indistinctly defined by brown, 

 with an oblique brown striga from middle of costa to its upper 

 edge ; postmedial line bent outwards below costa and angled at 

 vein 6, then inwardly oblique, almost straight to above vein 1, then 

 obsolete ; an obli(pie brown shade from apex to vein 3, with scries 

 of slight black streaks on it, those above and below vein 5 extending 

 to inner side of postmedial line ; a series of very slight black 

 streaks from below^ vein G close to termcn to above vein 2, where 

 the streak is longer and oblique ; a black streak defined below by 

 white, below which is a slight black streak, in submedian fold 

 extending to inner side of postmedial line. Hind wing white 

 tinged with brown, especially on the veins and terminal area ; 

 cilia white with a brown line at base ; the underside white 

 irrorated with brown, a small discoidal spot and postmedial series 

 of slight streaks on the veins. 



JIab. U.S.A., Oregon, 1 J , California, Sierra Nevada. Ea^)' 

 38 millim. 



2465. Pleroma obliquata. 



Pleroma obliquata, Smith, Trans. Am. Ent. Soc. xviii. p. 114 (1801); id. 

 Cat. Noct. N. Am. p. 235. 



Head and thorax bluish white mixed with black ; frons with 



y 



Fig. 8d.~Plero7na obliquata, c? . 1- 



black bar ; tegula? with black line near base, medial band and 

 blackish tips ; tarsi with white rings ; abdomen black-brown mixed 



