LEPIDOPTERA HETEROCERA. 
47 
11. Clysia decisaria. 
Mas. Albido-iestacea , nigro conspersa ; palpi subascendentes , arti- 
culo 3 o parvo conico ; antennce pectinatce ; pedes breviusculi ; 
tibice posiiccc incrassatce ; alee puncto discali nigro , linea sub - 
tus ferruginea media undulata ; anticce faleatee , margine 
exteriore subangulato ; 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, laeves, ad 
frontem applicati ; articulus 3us conicus, brevis, distinctus. Antennae 
cylindricae, non ciliatae. Thorax robustus, villosus. Abdomen maris 
conicum, foeminae longum apice obtusum. Tarsi spinosi. Alae 
spissae, nebulosae, velutinae, unilineatae aut bilineatae ; anticae acutae, 
saspe 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. 
