190 Mr. E. Meyrick on 
except apex. Antennal ciliations of g 2. Abdomen ochreous- 
whitish, slightly rosy-tinged. Forewings elongate, posteriorly 
slightly dilated, costa gently arched, apex obtuse, termen nearly 
straight, vertical; rosy-brownish-ochreous; costal edge whitish- 
ochreous from near base to near apex; stigmata small, very in- 
distinct, fuscous, plical obliquely beyond first discal; an unevenly 
curved series of indistinct fuscous dots or line from 3 of costa to 
tornus; a series of indistinct fuscous dots round apex and termen : 
cilia rosy-ochreous. Hindwings in ¢ whitish-grey-ochreous, in 9 
light grey; cilia ochreous-grey-whitish, sometimes slightly rosy- 
tinged. Forewings in 3 beneath with a fringe of very long whitish- 
yellowish hairs extending along vein 1b from } to 3. 
VENEZUELA, Ciudad Bolivar, in May and June; eleven 
specimens. 
HY PONOMEUTIDAE. 
Trichostibas cyanombra, n. sp. 
. 23 mm. Head, palpi, antennae, thorax, and abdomen blue- 
blackish, antennae densely thickened with rough scales from base 
almost to apex. Forewings elongate, costa anteriorly gently, 
posteriorly moderately arched, apex obtuse, termen rather obliquely 
rounded; dark indigo-bluish-grey: cilia concolorous. Hindwings 
grey, thinly haired and semitransparent on anterior 3, posteriorly 
dark grey, opaque; cilia grey. 
ARGENTINA, Parana; one specimen. 
Trichostibas favigera, n. sp. 
9. 36 mm. Head, palpi, and thorax dark bluish-grey, thorax 
with four very obscure patches of grey-whitish suffusion, posterior 
most distinct. Antennae deep purple, somewhat thickened with 
appressed scales towards base, shortly ciliated. Abdomen dark 
grey. Forewings elongate, rather narrow anteriorly, posteriorly 
dilated, costa moderately arched, apex obtuse, termen rounded, 
rather oblique; dark purplish-grey; three moderate irregular grey- 
whitish fasciae cut into spots by dark veins, first at 4, curved, not 
reaching costa, forming four spots, discal longest, second postmedian, 
straight, third running round apical portion of costa and termen, 
almost or quite reaching second at both extremities, widest below 
apex, narrowed and less distinct on costal portion: cilia bronzy- 
fuscous, becoming dark purplish-grey on costa and tornus. Hind- 
