44 
MICROLEPIDOPTERA OF NEW GUINEA 
termen and tornus. Cilia dark fuscous (imperfect). Hind wing dark brown, 
costal third whitish except towards apex. Cilia (imperfect) fulvous-orange, 
basal third fuscous. 
Eighth segment thickened, forming a collar around basal part of 
ovipositor, Limen, a strong broad band narrowed laterally. Ostium, a 
shallow cup. Ductus bursae moderate, rather narrow. Bursa copulatrix 
simple (Slide No. 461 D, type). 
Araucaria Camp, 800 m, March 9, 1939. One specimen, in somewhat 
damaged condition, but very distinct. 
Fig. 259: Aphthonocosma 
plutarcha gen. nov., spec, 
nov., female, genitalia. 
Nikolaia gen. nov. (fig. 260) 
Head with loosely appressed scales, side tufts large, raised, spreading. 
Ocellus small, posterior. Proboscis short, weak. Antenna moderately 
ciliate in male, dilations 1, finely serrulate in female, scape rather short, 
without pecten. Palpus moderately long, subascending, in male rather 
slender, curved, median segment with rough scales beneath, dilated by 
roughly projecting scales towards apex above, in female median segment 
rather smooth beneath, considerably dilated with appressed scales towards 
apex above, somewhat narrowed at apex, terminal segment moderate, 
subacute. Thorax without crest. Pore wing elongate-ovate, broadest in 
middle, in male without costal fold, lb furcate along basal 1 / 3 , 2 from 2 / 3 , 
3 from angle, 3—5 separate, equidistant, 5 subparallel, 6 from upper angle 
of cell, 7 and 8 stalked, stalk from before angle, 7 to termen, 11 from 
middle. Hind wing trapezoid, H/ 4 , cilia 1 / 1 , in male with lower edge of cell 
throughout, vein 1c and cell between those: with fine, lather sparse hairs 
closely appressed to upper surface of wing, upper edge of cell in middle 
