88 
MICKOLEPIDOPTEBA OF NEW GUINEA 
Isotenes marmorata spec. nov. (figs. 102, 112, 113) 
<3 23 mm. Head whitish, suffused on vertex with fuscous, middle of 
vertex posteriorly darker, face white, upper part slightly clouded with 
grey. Palpus white, with a suffused fuscous median spot at the side above, 
fringe somewhat mixed with fuscous, terminal segment suffused with 
fuscous above. Antenna light fuscous, narrowly ringed with white, scape 
dark fuscous above, white beneath. Thorax greyish -fuscous. Abdomen 
whitish-ochreous, somewhat brighter posteriorly, anal tuft shining. Legs 
whitish, anterior tarsus and tibia infuscated except tips of joints. Fore 
wing elongate-truncate, broadest in middle, costal fold to before middle, 
moderately broad, edge gently curved throughout ; costa little curved but 
oblique along basal third, rounded and somewhat prominent there, 
slightly concave posteriorly, apex obtusely pointed, termen gently curved, 
little oblique. Whitish, marbled and finely retinate with fuscous-grevish, 
markings fuscous-blackish; an invert-trapezoid small patch on costa at 
V 6> preceded and followed by minute transverse strigulae; obliquely 
beneath this patch a semicircular black line on upper half of disc, open 
below, preceded by one vertical interrupted black line, and a small dark 
suffusion on lower 2 / 3 of wing, followed by numerous interrupted out- 
wardly curved blackish strigulae, occupying middle half of disc; an ovate- 
triangular, oblique patch on costa before middle, suffused, with dark grey 
above except in middle, below sharply edged by a blackish line; a narrow 
line originating from top of this patch, running obliquely to fold somewhat 
beyond middle of wing, outwardly angulate there, not reaching dorsum, 
connected just below middle of disc on anterior side with a moderate sub- 
quadrate somewhat suffused fuscous-blackish patch ; costal patch triangu- 
lar, somewhat suffused with greyish, anteriorly edged by a blackish line; 
posterior edge of costal patch formed by a dark fuscous dot on costa, 
followed by two less distinct dots before angle, a blackish dot on lower 
angle of cell, continued by a row of smaller points, curved above, vertical 
beneath, to tornus; a transverse subterminal row of quadrate interneural 
dots, angulate in middle anteriorly, one more dot above top of this 
angulation; posterior third of wing very faintly suffused with greyish. 
Cilia ochreous-whitish, with a faint, partly interrupted antemedian line, 
forming more distinct bars opposite veins. Hind wing white, faintly dotted 
with grey, especially below costa. Cilia white. 
Tegumen considerably dilated. Uncus with ovate, much erect top. 
Socius, long series of bristles. Gnatbos rather slender. Transtilla pro- 
jection long, moderately broad, slightly sinuate, point acute; dentate 
except extreme point, basal part long, slender, oblique, hardly sinuate. 
Peniculus rounded. V inculum elongate-ovate, considerably indent. Valva 
with cucullus elongate-ovate, base of sacculus rather long, obtusely 
angulate. Aedoeagus with long basal part (Slides No. 378 D, holotype, 
379 D, paratype). 
