( 293 ) 



Head, thorax, and abdomen reddish brown ; the patagia mixed with grey; anal 

 segments of abdomen and underside grey ; fillet and antennae white. 



Expanse of wings : 39 mm. 



1 ? from La Oroya, R. Inambari, S.E. Pern, 3100 ft., October 1904, wet 

 season (Ockenden). 



263. Thysanopyga strigata spec. nov. 



Forewing : pale stone-grey, with rust-coloured transverse striae, which are 

 darker and more fuscous along costal edge ; the inner and median lines are very 

 obscure, consisting only of aggregations of striae ; the first, at one-fourth, is angled 

 in cell ; the median passes over the black cell-spot; outer line sinuous, black, from 

 three-fourths of costa to two-thirds of inner margin, indented on each fold, and 

 followed by an interrupted brown cloud; snbmargiual line pale, but ill-define 1 ; 

 beyond it the striae are more fuscous ; marginal dots black ; fringe grey. 



Hindwing : with an inconspicuous pale cell-spot; the marginal area and the 

 median shade rust-coloured ; outer line dark only on inner margin. 



Underside dull creamy-whitish ; cell-spots black; traces of cloudy subuiarginal 

 bands. 



Head, thorax, and abdomen pale grey ; antennae fuscous. 



Expanse of wings : 30 mm. 



1 S from Ciudad de Tucuman, Argentina, April 1903 (Monetti). 



Subfamily SCOTOPTERYGINAE. 

 264. Catascia terranea spec. nov. 



Foretmng: whity-brown, dusted with darker in marginal fourth, suffused with 

 dull brownish fuscous in the basal three-fourths, and striated with darker, the 

 striae clearer along costa; an indistinct. brown shade outcurved at one-third, and 

 traces of another nearer base ; edge of the dark area from costa at three-fourths, 

 straight and vertical to vein 4, there angled and incurved to four-fifths of inner 

 margin ; the space between the two shades somewhat deeper fuscous and with a 

 large cloudy cell-mark ; a submarginal shade from costa before apex to vein 6 : 

 obscure marginal dark spots between veins ; fringe concolorous. 



Hindwing : paler, with a diffuse curved line at three-fourths, the marginal 

 area still paler ; a small dark cell-spot. 



Underside pale greyish ochreons, speckled with fuscous, with the outer line 

 thick and luuulate on both wings ; the snbmargiual shade represented on costa of 

 forewing ; cell-spots grey. 



Head and thorax dark fuscous ; abdomen paler. 



Expanse of wings : 40 mm. 



1 S from Onernavaca, Mexico, September 1904 (Dr. Gadow). 



A dingy-looking insect, recalling haydenata of North America. 



Subfamily FIDONIINAE. 



Hemicopha gen. nov. 



Forewing : broad ; costa straight, curved only at base and before apex ; outer 

 margin curved, as long as inner margin. 



Hindwing: triangular: in ? with apes rounded and anal angle squared; in 



