LEPIDOPTERA HETEROCERA. 47 



11. Clysia DECISARIA. 



Mas. Albido-testaeea, nigro conspersa ; palpi subascendentes, arti- 

 culo So parvo conico ; antennae pectinatce ; pedes breviusculi ; 

 tibice posticce incrassatce ; alee puncto discali nigro, linea sub- 

 tus ferruginea media undulata ; anticce falcatce, margine 

 exteriore subangulalo ; posticce incisuris tribus. 



Male. Whitish testaceous, speckled with black ; the speckles 

 much larger and more conspicuous on the under side, where the 

 testaceous tinge is most prevalent and is ferruginous-speckled. 

 Palpi slightly ascending, projecting rather beyond the head ; third 

 joint minute, conical. Antennae pectinated. Abdomen extending 

 as far as the hind wings ; apical appendages rather large. Legs 

 rather short ; hind tibiae incrassated. Wings with a black discal 

 point ; under side with a middle undulating ferruginous line. Fore 

 wings falcate ; exterior border forming a very obtuse angle. Hind 

 wings truncated at the tips, behind which there are two excavations. 

 Length of the body 9 lines ; of the wings 20 lines. 



a. ? 



Genus 11. OXYDTA. 



Corpus robustum. Proboscis valida. Palpi validi, lasves, ad 

 frontem applicati ; articulus 3us conicus, brevis, distinctus. Antennae 

 cylindricae, non ciliatae. Thorax robustus, villosus. Abdomen maris 

 conicum, fceminae longum apice obtusum. Tarsi spinosi. Alae 

 spissae, nebulosae, velutinae, unilineatae aut bilineatae ; antieae acutae, 

 saepe falcatae ; posticae margine exteriore rotundato, angulo interiore 

 plus minusve determinato. 



Oxydia, Guen. PhaL i. 52. 



Body robust. Proboscis stout. Palpi stout, smooth, applied 

 to the front ; third joint, conical, short, distinct. Antennae cylin- 

 drical, not ciliated. Thorax robust, villose. Abdomen conical in 

 the male, long and obtuse at the tip in the female. Tarsi spinose. 

 Wings thick, clouded, velvety, with one or two lines. Fore wings 

 acute, often falcate. Hind wings with the exterior border rounded ; 

 interior angle more or less produced. 



