LYONETlADiE. 
463 
Forewings dark coppery-purple-bronze; a golden-yellow sub- 
triangular dorsal spot before middle of wing, reaching ^ across 
wing: cilia grey,base scaled purplish-coppery. (Hindwings missing.) 
Uganda, Kampala, December (//. Hargreaves) ; 1 ex. (Brit. Mus.). 
Opogona phaeadelpha, n. sp. 
<3. 10 mm. Head smooth, fuscous, fillet and face whitish- 
yellow. Palpi yellow-whitish, externally dark fuscous. Thorax 
pale yellow, anterior half fuscous. Forewings light yellow ; a very 
short fuscous wedgeshaped mark on base of costa, hardly ^ of wing ; 
posterior half of wing bronzy-brown, edge direct, marked minute 
black dots beneath costa and in middle, between them slightly 
excavated and brassy: cilia light brownish-grey. Hindwings 
bronzy-grey ; cilia light bronzy-greyish. 
Formosa, Taihoku, December {Prof. S. IssiJci) ; 1 ex. 
Opogona thiadelpha, n. sp. 
2 . 10 mm. Head, thorax pale brassy-yellowish, crown 
smooth. Palpi yellow-whitish, externally dark fuscous. Antennae 
ochreous-whitish, scape dark fuscous. Forewings pale ochreous- 
yellow; costal edge grey on basal ; posterior half of wing 
purplish-grey, edge direct, with small darker grey dots above and 
beneath a slight median excavation : cilia pale grey. Hindwings 
grey ; cilia pale greyish. - 4 
Japan, Tokyo, July {Prof. S. Issi/ci) ; 1 ex. This should be 
distinct from nipponica Stringer, which I have not seen, the head 
not being brownish posteriorly ; these and the preceding are all 
nearly allied to dimidiatella Zell. 
Opogona taochroa, n. sp. 
2 . 13 mm. Head dark metallic-green-bronze, face whitish- 
ochreous, fillet pale brassy. Antennae whitish, scape dark fuscous. 
Palpi blackish, internally silvery-whitish. Thorax dark metallic- 
green-purple, posterior margin whitish. Forewings pale yellow ; 
a wedgeshaped dark bronzy-fuscous spot occupying basal fifth of 
costa ; apical area dark bronze, limited by a line irregular inwards- 
oblique black line from costa at | to torn us, followed by three 
raised bronzy tufts: cilia dark grey. Hindwings bronzy-grey, 
lighter towards base ; cilia light greyish-ochreous. 
New Britain, Keravat, bred December from damaged flower- 
spathe of Cocos nucifera {J. L. Froggatt ); 1 ex. (Brit. Mus.). 
Opogona scabricoma, n. sp. 
2 • 8 mm. Head rough on crown, blackish, face white. Palpi 
white, grey externally except tips of joints. Thorax blackish. 
Forewings rather light yellow ; a triangular blackish costal spot at 
base, its apex reaching dorsum; apical -| rather dark fuscous, 
edged by a black line rather inwards-oblique from costa at | to 
dorsum : cilia grey. Hindwings bluish-grey ; cilia grey. 
Bombay, Poona, May (if. M. Maxwell) ; 1 ex. 
