66 
MICROLEPIDOPTERA OF NEW GUINEA 
robust, rather short, somewhat curved, obtuse, with a strong base. Valva 
triangular, costa straight, cucullus slender, bristly, with a constricted 
base and two folds converging anteriorly, saceulus rounded-prominent, 
about 1 / 2 . Vinculum small, a short saccus indicated. Aedoeagus slender, 
curved along its apical third. (Slide no. 1100 D, type.) 
Mist Camp, 1800 m., January 6, 1939. One specimen. 
Labdia Walker, 1864 
Labdia Walker, 1864, List Lep. Het. Brit. Mus., vol. 29, p. 823. Turner, Proc. 
Roy. Soc. Victoria, vol. 36, p. 68, 1923. Fletcher, Catal. Ind. Ins., vol. 16, p. 7, 
1928. Mem. Agric. Ind., Ent., vol. 11, p. 121, 1929. 
Key to the Papuan species of Labdia 
1. Fore wing with fine longitudinal whitish or bluish streaks 2 
Fore wing without such streaks 4 
2. A broad palo yellow transverse band from about middle to four-fifths of costa 
citroglypta Meyrick 
A light yellow semiovate patch along termen to before apex 3 
3. Supramedian longitudinal streak furcate posteriorly; dorsal streak and discal 
dot above it absent Helena Meyrick 
Supramedian streak not furcate ; dorsal streak present, a small dot in disc above 
its posterior extremity albilineella Van Deventer 
4. Dorsum with a semicircular white spot . . . . albimaculella Van Deventer 
Dorsum without such spot 5 
5. A snow-white streak along dorsum, a black dot in tornus, a yellow blotch on 
termen cliionopsamma Meyrick 
No dorsal markings except whitish-ochreous suffusion; costal edge posteriorly 
ochreous-white, forming a blotch on costa before apex chrysosoma Meyrick 
Labdia citroglypta Meyrick, 1928 
Labdia citroglypta Meyrick, 1938, Exot. Microl., vol. 3, p. 386. 
Distribution: New Guinea. New Britain, Talesea. 
? 17 mm (neallotype). Fore wing brown. Longitudinal lines as in the 
male, except for the subcostal line which is absent; they are more clearly 
tinged pale blue and finely edged with blackish; the transverse band 
broader: on the costa from before the middle to 5 / 6 , on the dorsum from 
beyond the middle of wing to the apex : golden-white; anterior half of the 
band suffused with dull light yellow, margin of this suffusion from the 
middle of the lower edge of the band to about the middle of the costa; 
anterior edge of the band extended along costa as a narrow' golden-white 
attenuated streak to before the base, below' this inwardly oblique, with 
two small indentations below the middle, lower part sinuate, little oblique; 
this band including a slender jet-black outwardly convex transverse 
strigula from the middle of the costa and a silvery-metallic rather irregular 
