MICROLEPIDOPTERA OF NEW GUINEA 
127 
Sematoplusia acibdela spec. nov. (figs. 841, 848, 849) 
dx//?<5>?Ao? = true 
g 14.5 mm. Head pale grey mixed with fuscous, hairs along sides of 
face dark fuscous. Antenna dark fuscous mixed with whitish, scape 
ochreous-whitish with base suffused with brown. Palpus dark grey-fuscous, 
median segment with an apical ring, terminal segment with a white sub- 
median ring and white tip. Thorax and abdomen fuscous-whitish, shoulder 
dark fuscous. Legs fuscous-whitish, anterior leg infuscated above. Fore 
wing elongate-ovate, costa moderately curved, more so towards extre- 
mities, apex obtusely pointed, termen rounded, oblique. Whitish, tinged 
very pale ochreous, finely irrorated with light brownish-fuscous, towards 
apex also slightly suffused with fuscous, markings dark fuscous. An 
invert-trapezoid spot on base of costa and an irregular costal streak from 
beyond this to middle; a transverse fasciate blotch on the middle of costa, 
somewhat narrowed below, slightly inwards-oblique, reaching to middle 
of disc, paler than other markings; an elongate, subrectangular rather 
large spot on 3 / 4 of costa reaching to angle of cell, vertical edges moderately 
inwards-oblique, posterior continued as a moderate streak running to 
beyond base of vein 3, abruptly bent there, running to lower angle of cell ; 
two suffused costal dots on veins 10 and 9, ultimate dot largest, continued 
by an ill-defined, suffused and inwardly oblique fascia across upper half of 
disc; seven small dark marginal dots on veins 8 to 2; a small dark spot on 
dorsum beyond base; indications of dark markings along fold. Cilia 
glossy pale fuscous, with an indication of a greyish supramedian line 
around apex. Hind wing white tinged very pale ochreous with pale gloss, 
cilia pale fuscous, somewhat darker fuscous along costa. 
Tegumen broad and short. Uncus bipartite, each half rather narrow, 
long, ending in a flattened, acute blade. Yalva short, subquadrate, thick- 
ened, a strong erect acute hook in disc before top of costa ; sacculus not 
indicated, with an ovate haired tumescence before its top (indicated in 
fig. 849 by a broken line) ; base of costa produced in a long pointed process. 
Vinculum very large. Saccus moderate, bipartite. Anellus (?), a haired 
trifid knob at each side. Aedoeagus rather long, cylindrical, with a cleft 
and pointed top. No cornuti (Slide no. 1142 D, type.) 
Rattan Camp, 1250 m, February 4, 1939. One specimen. 
Tinissa Walker, 1864 
Tinissa Walker, 1864, List Lep. Het. Brit. Mus., vol. 29, p. 780. Meyrick, 
Exot. Microl., vol. 3, p. 424, 1928 (redescr.). Fletcher, Mem. Agric. Ind., Ent., 
vol. 11, p. 224, 1929. 
Key to Papuan species of Tinissa 
1. Hind wing purple-bronze-fuscous or bronze-grey ~ 
Hind wing grey, fuscous or whitish, not bronze coloured 3 
