LEPIDOPTERA HETEROCERA. 823 



Male. Body very slender. Proboscis very short. Palpi por- 

 rect, slender, bare, moderately long, extending a little beyond the 

 head; second joint much longer than the first; third lanceolate, 

 shorter than the first. Antennae deeply pectinated. Abdomen not 

 extending beyond the hind wings. Legs very slender ; hind tibiae 

 with four moderately long spurs. Wings broad, hyaline, quite 

 bare. Fore wings hardly convex along the costa, rounded at the 

 tips ; second inferior vein about four times further from the third 

 than from the first, which is curved ; third almost twice further from 

 the fourth than from the second. 



1. Deroca hvalina. 



Mas. Albida ; alee limpidce, venis albidis. 



Male, Body blackish ; legs testaceous ; both with whitish 

 tomentum. Wings colourless; veins whitish. Length of the body 

 5 lines ; of the wings 18 lines. 



a. Himalaya Mountains. From Mr. Leadbeater's collection. 



Genus 33. OLAPA. 



Mas. Corpus sat gracile. Caput et thorax dense pilosa. 

 Proboscis brevissima. Palpi pilosi, brevissimi, caput non supe- 

 rantes ; articulus 3us minimus. Antennae latissime pectinatae, cor- 

 poris dimidio multo longiores. Pedes graciles ; tibia? posticus 

 calcaribus duobus apicalibus mediocriter longis. AIsb latae ; posticse 

 abdomen superantes. 



Male. Body rather slender. Head and thorax thickly clothed 

 with hairs. Proboscis very short. Palpi pilose, very short, not ex- 

 tending beyond the head ; third joint very small. Antennas very 

 deeply pectinated, much more than half the length of the body. 

 Abdomen not extending so far as the hind wings. Legs slender ; 

 hind tibiae with moderately long apical spurs. Wings broad. Fore 

 wings very slightly convex along the costa, rounded at the tips ; 

 second inferior vein full four times further from the third than from 

 the first ; third not further from the fourth than from the second. 



1. Olapa tempera ta. 



Mas. Albida ; caput subtestaceum ; alee sublimpidce, vix pubes- 

 centes, venis albidis. 



Liparis crocicollis ? Boisd. See p. 794. 



