LEPIDOPTERA HETEROCERA. 969 



Body rather stout. Front with a flat tuft. Proboscis mode- 

 rately long. Palpi squamose, slightly ascending, far apart, hardly 

 extending beyond the front; second joint fusiform ; third not more 

 slender and hardly shorter than the second, Antennae pubescent. 

 Thorax short, rounded, with large lappets. Abdomen long, oblan- 

 ceolate, slightly keeled, extending a little beyond the hind wings. 

 Legs slender, hardly pilose. Wings rather broad. Fore wings 

 hardly convex along the costa, acute at the tips ; exterior border 

 convex, very oblique hindward ; interior border hardly excavated. 

 Male. — Valves of the abdomen long, half conical, with little squa- 

 mose tufts. 



1. Aecyophora longivalvis. 



Isabellino-fiavescens ; caput et prothorax castaneo-fusca ; abdomen 

 apice subcarneum ; alee anticce strigulis plurimis transversis 

 lineisque duabus obliquis subparallelis olivaceo-viridibus ; 

 posticus alba, subincarnata 7 , margine saturatiore. 



Arcyophora longivalvis, Guen. Noct. ii. 379. 



Port Natal. 



Genus 3. HEMICERAS. 



Mas. Corpus robustum. Caput bifasciculatum. Proboscis 

 mediocriter longa. Palpi ascendentes, breves, pilosi ; articulus 3us 

 minimus. Antennae corporis dimidio multo lougiores. Abdomen 

 alas posticas paullo superans. Pedes validi ; tibiae posticae calcari- 

 bus longis. Alae anticae mediocriter latae, apud costam rectae, apice 

 subrotundatae, margine exteriore subconvexo mediocriter obliquo, 

 interiore nonnunquam excavato et bidentato. Mas. — Antenna? 

 triente basali pectinatae, 



Hemiceras, Guen. Noct. ii. 379. 



Body stout. Head with a slight tuft on each side by the an- 

 tenna. Proboscis moderately long. Palpi ascending, short, pilose ; 

 third joint very minute. Antennae much more than half the length 

 of the body. Abdomen extending one-fourth of its length beyond 

 the hind wings. Legs stout; hind tibiae with long spurs. Fore 

 wings moderately broad, quite straight in front, slightly rounded at 

 the tips, slightly convex and moderately oblique along the exterior 

 border ; interior border in some species rather deeply excavated, 

 with distinct teeth. Male. — Antennae pectinated to one-third of the 

 length from the base. 



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