STICTOTHRIPA.—GYRIONIDES, 453 
above vein 6, slightly incurved at discal fold, excurved at middle, 
below vein 3 bent inwards, and angled inwards on vein |, a faint 
olive line beyond it; two small blackish spots on postmedial part 
of costa; subterminal line blackish, slightly angled outwards below 
costa and more strongly at veins 6, 4, 3, angled inwards at vein 2, 
then with strong black shade defined on inner side by brown and 
ending at tornus; a faint yellowish line before termen; a terminal 
series of brown striz and a spot between veins 4, 3 ; cilia yellowish 
at base, white at tips, with dark line at middle, and series 
of black points at tips. Hind wing white, the inner and 
terminal areas tinged with brown, a narrow black discoidal bar ; 
traces of postmedial and subterminal dark points on the veins and 
oblique bars from vein 2 to inner margin; a terminal series of 
dark points; cilia with a dark line at middle; the underside with 
the costal area irrorated with brown ; the postmedial line crenulate 
to vein 2 and excurved below costa, the termen with dark patch to 
vein 5, subterminal spots on median neryules and oblique black bar 
at tornus. 
Fore wing with vein 9 from 10 anastomosing with 8 to form a 
moderate areole. 
Hab. Costa Rica, Sixola R. (Schaus), type T ¢ in U.S. Nat. Mus. 
Exp. 42 willim, 
Genus GYRTONIDES, nov. 
Type, G. albifascia. 
Proboscis fully developed ; palpi upturned, the 2nd joint reaching to middle 
of frons and slightly fringed with hair behind towards extremity, the 3rd short, 
porrect ; frons smooth with tuft of hair above ; eyes large, round; antenne of 
male with long cilia; thorax clothed almost entirely with scales and without 
crests; fore tibiz fringed on both sides with long hair, the mid and hind tibizx 
moderately fringed with hair; abdomen without crests. Fore wing rather 
long and narrow, the apex rounded, the termen evenly curved and not crenulate; 
veins 3 and 5 from near angle of cell; 6 from upper angle; 9 from 10 anas- 
tomosing with 8 to form a long narrow areole; 11 fromcell. Hind wing with 
veins 3,4 from angle of cell; 4 fully developed from just above angle; 6, 7 
from upper angle ; 8 anastomosing with the cell to near middle. 
6804. Gyrtonides albifascia, n. sp. 
3g. Head and tegule rufous mixed with brown and grey, thorax 
brown mixed with grey; pectus and hind legs white; abdomen 
Fig. 165.—Gyrtonides aibifascia, 3. }. 
brown, white at base and sides, the anal tuft rufous with dorsal 
black streak defined by white, the ventral surface pale rufous 
