452 NOCTUIDE. 
*6802. Stictothripa albescens. 
Stictothripa albescens, Dogn. Het. Nouv. Am. Sud, iii. p. 17 (1911). 
¢. Head white, the palpi brown; thorax and abdomen white 
mixed with brown, the latter with slight brown segmental lines ; 
femora brown; tarsi black-brown ringed with white; anal tuft 
black-brown below. Fore wing white, the basal half and costal 
and inner areas irrorated with brown; slight dark subbasal spots 
on costa, in and below the cell; antemedial line blackish, sinuous ; 
a blackish discoidal spot with slight spot above it on costa; an 
indistinct oblique sinuous brown line from lower angle of cell to 
inner margin and oblique blackish fascia from lower angle of cell 
to subterminal line at submedian fold ; postmedial line slight, black, 
sinuous to vein 4, then oblique to vein 2 and acutely angled 
inwards on vein 1 to the medial line; subterminal line fuscous, 
incurved below costa and at vein 5, incurved and sinuous below 
vein 3, and below vein 2 oblique and black to tornus ; the terminal 
Fig. 164.—Stictothripa albescens, 3. 3, 
arca with some brownish suffusion from apex to vein 5 and a spot 
below vein 4; a terminal series of slight brown strie ; cilia with 
series of smail brown spots. Hind wing white, the veins and 
inner area suffused with brown; a fine brown terminal line; the 
underside with the costal area irrorated with brown, a slight 
blackish discoidal spot, crenulate postmedial line excurved below 
costa and streaks on the extremities of the veins. 
Hab. Fr. Guiana, St. Laurent Maroni, type ¢ in Coll. Dognin. 
Exp, 34 millim. 
*6803. ?Stictothripa delaia. (Plate CLXXXVI. fig. 14.) 
Stictothripa delaiu, Schaus, A. M. N. H. (8) viii. p. 2138 (1911). 
9. Head, thorax, and abdomen white irrorated with brown ; 
tarsi brown ringed with white. Fore wing white irrorated with 
pale brown and tinged in parts with olive-yellow ; a slight subbasal 
red-brown mark above vein 1; antemedial line blackish defined on 
inner side by white, sinuous; a narrow black-brown discoidal 
lunule with an oblique bar above it from costa and an oblique black 
streak from lower angle of cell to just beyond subterminal line 
above vein 2; postmedial line black, oblique and sinuous to just 
