LEPIDOPTERA HETEROCERA. 
163 
Genus 19. DIODOSIDA. 
Fcem. Corpus sat gracile. Caput breve. Proboscis medio- 
criter longa. Antennae subfiliformes, subsetosae, thorace paullo 
longiores. Abdomen oblanceolatum, thorace vix duplo longius. 
Pedes sat validi, non longi ; tibiae posticae calcaribus quatuor me- 
diocriter longis. Alae latiusculae, non longae ; anticae subacuroinatae 
vix hamatae, apud costam subrectae, margine exteriore mediocriter 
obliquo, apud medium subconvexo ; posticae apice rotundatae, mar- 
gine exteriore apud angulum interiorem subconcavo. 
Female. Body rather slender. Head short. Proboscis mode- 
rately long. Palpi as usual. Antennae subfiliform, minutely 
setose, a little longer than the thorax. Abdomen oblanceolate, 
nearly twice the length of the thorax. Legs rather stout, not long ; 
hind tibiae with four moderately long spurs. Wings rather broad, 
not long. Fore wings almost straight along the costa, slightly acu- 
minated and hardly hooked at the tips, moderately oblique along 
the exterior border, which is slightly convex in the middle ; inferior 
veins much as usual. Hind wings rounded at the tips ; exterior 
border slightly concave towards the interior angle. 
1. Diodosida murina. 
Foem. Cinereo-ferruginea ; abdomen vitta inter rupta nigricante ; 
alee anticce cinerece , nitentes , maculis duabus (una subcostali , 
altera subapicali) nigricantibus fasciaque ferruginosa ; pos- 
ticce rufce,fusco marginal ce, ciliis albidis. 
Female. Cinereous-ferruginous. Antennae whitish. Abdo- 
men with an indistinct interrupted blackish stripe. Fore wings 
cinereous, somewhat shining, with two blackish spots, the one sub- 
costal, the other subapical ; an indistinct ferruginous band behind 
the subcostal spot; exterior veins slightly dotted with black. Hind 
wings reddish, with brown borders; ciliae whitish. Length of the 
body 12 lines ; of the wings 22 lines. 
a. Port Natal. From Mr. Stevens' collection. 
Genus 20. DEILEPHILA. 
Corpus robustum. Caput prominens, conicum. Proboscis 
mediocriter longa. Antennae validae* Abdomen oblanceolatum, 
thorace non duplo longius. Pedes longi, graciles ; tibiae posticae 
calcaribus quatuor longis. Alae longae, angustae; anticae acumi- 
