84 
MICROLEPIDOPTERA OF SEW GUINEA 
Key to the Papuan genera of Lithocolletidae 
1. Posterior tibia with bristly hairs above Acrocercops Wallengren 
Posterior tibia smooth or with closely appressed hairs 2 
2. Median tibia thickened with scales throughout Caloptilia Hubneb, 
Median tibia not thickened 3 
3. Fore wing with vein 11 absent, hind wing with veins 3 and 4 absent . . . 
Guttigera gen. nov. 
Fore wing with vein 11 present, from middle or from before middle of cell, hind 
wing with all veins present or only 4 absent 4 
4. Labial palpus straight, smooth Iraina gen. nov. 
Labial palpus curved, median or terminal segments roughish below . . 5 
5. Fore wing with four veins (3, 4, 6, 8) absent .... Hypectopa gen. nov. 
Fore wing with all veins present or only with vein 3 absent 
Parectopa Clemens 
Guttigera gen. nov. (fig. 792) 
Head smooth. Ocellus not perceptible. Proboscis developed. Antenna 1, 
simple in male, scape moderate, slightly thickened, with a basal pecten 
of four or five hairs. Labial palpus long, curved, subascending or porrect, 
median segment moderately thickened with scales, roughish below 
posteriorly and at apex or rather slender, terminal segment somewhat or 
Fig. 792: Guttigera rhythmica gen. nov., spec, nov., male, head and wing neuration. 
rather shorter than median, thickened with scales, roughish along frontal 
side, pointed. Maxillary palpus very short, porrect, pointed. Thorax 
without crest. Anterior tarsus 2 1 / 2 times the length of tibia, slender, basal 
segment slightly thickened with smooth scales. Median and posterior 
tibiae smooth. Fore wing lanceolate, 1 b simple, rather short, 2 from angle, 
weak, 3 absent, 4 absent, 6 to termen, 7 absent, 8 to costa, 8 — 10 remote, 
10 from 2 / 3 of cell, 11 absent. Hind wing x / 2 , narrowly lanceolate, cilia 4; 
