(478) 



Underside paler, slightly black-speckled, with a cloudy fiiscons marginal baud, 

 which is very faint on hindwings ; cell-spot on forewings only. Head, thorax, and 

 abdomen coucolorons. 



Expanse of wings : 30 mm. 



One ? from Costa Rica (Underwood). 



Distinguished by the black apical patch of forewings, and the black coil-spots 

 of both wings above. 



ITii. Thysanopyga pygaria (Jncn. ab. ochrilinea uov. 



Forewings : greyish moasc-colour, the costa and Hues pinkish ochreous ; the 

 costal streak broad between the lines, narrow at base : first line near base, angled 

 on subcostal vein ; outer line curved exactly as in pygnrin, edged internally 

 with reddish brown, and with faint traces externally of a dentate shade : apical 

 curved streak grey, indistinct ; cell-spot black, with a tine edge of ochreons scales : 

 in one example there are faint traces of an oblique brown median line, as in the 

 type-form. 



Hindicimis : with a faint brown autemediau line, followed by the white cell- 

 spot; a broad j)inkish ochreous snbmarginal fascia, gradually shading off to the dark 

 ground-colour along the margin. 



Fringe and underside as in the type-form. Face, palpi, thorax, and abdomen 

 concolorous with wings ; vertex paler grey. 



Expanse of wings : 34 — 36 mm. 



Two tJc? from Newcastle, Jamaica, August 1893. 



This may prove to be a distinct species. 



Subfamily SEMIOTHISINAE. 

 ITT. Semiothisa collineata sp. nov. 



Foreicinga : ochreous, speckled with brown; the lines pale brownish; first at 

 one-fifth, curved; second before middle, starting from a brown costal triangle, 

 sinnons to middle of inner margin; third at two-thirds, strongly angled outwards on 

 vein 6, then obliquely curved to inner margin not far from middle line; a brown spot 

 on costa beyond it; hindmargin slightly brown-tinged, especially towards anal angle; 

 fringe brownish ochreous. 



Hindwings : without first line; a minute dark cell-dot; outer line denticulate; 

 traces of a nearly straight grey submarginal line; the apex tinged with brown; 

 fringe with a darker basal line. 



Underside the same, bnt the snbmarginal line on both wings distinct. Head, 

 thorax, and abdomen all concolorous. 



Expanse of wings: 3U mm. 



One S from the Amazons, from the Felder Collection (Bates). 



178. Semiothisa crepuscularia sp. nov. 

 Forewings: dull whitish, subhyaline, with olive -fuscous speckling; the costa 

 pale, with fine striae; the lines difi'iise, all formed of jiatclies of olive and fuscous 

 scales; first line at one-fifth, forming an outward curved blotch above and below the 

 median vein; second line median, oblique, formed of a double blotch below costa, 

 dentate and darker outwards on the veins, and similar blotches on median and 



