LASIOCAMPTNAE. By Dr. C. Auri villi us. 
215 
f. The basal cell of the hindwing despatches almost from its centre a long bent accessory vein 
terminating only at the centre of the costal margin. 8. Beralade. 
ff. The basal cell of the hindwing is without accessory veins or only with 1 to 3 short, straightly 
porrect accessory veins. 
o. Anal margin of forewing in the middle with a very large scaled tooth and with two smaller 
ones near the anal angle. Veins 9 and 10 of forewing much shorter than their fork. 
9. Odontocheilopteryx. 
oo. Anal margin of forewing without scaled teeth. 
§. Veins 4 and 5 of forewing rise separately from the posterior angle of the discal 
cell. 
/V. Vein 8 of forewing rises separately from the costal margin or the apex of the 
discal cell. 
1. Veins 9 and 10 of forewing are very long, 3 to 4 times the length of their 
pedicle which scarcely projects beyond the apex of the discal cell. Eyes 
bare, only in the last species of the genus Philotherma somewhat hairy. 
a. Forewing large and broad with a moderately bent distal margin which 
is shorter than the anal margin. Distal margin of hindwing bent. Frons 
plain. Veins 6 and 7 of forewing from the same place or only shortly 
forked. $ with anal wool. 11. Philotherma. 
b. d'. Fore wing very long and narrow; its distal margin almost twice 
as long as the anal margin. Distal margin of hindwing almost straightly 
cut off or feebly emarginated. Frons armed with a small long horn. 
Veins 6 and 7 of forewing forked. $ unknown. 
10. Oplometa. 
2. Veins 9 and 10 of forewing are rarely more than twice as long as their pedicle 
which distinctly projects beyond the apex of the discal cell. Eyes almost 
invariably hairy. 
a. Vein 9 of forewing terminates into the costal margin or apex. The sub¬ 
marginal line of the forewing above is bent and coherent or somewhat 
irregular, and composed of almost vertical transverse streaks. 
12. Olyra. 
b. Vein 9 of fore wing terminates into the distal margin. The submarginal 
line of the fore wing is at least interrupted between the veins 2 and 6, 
scalariform. being formed of straight, slanting streaks. 
13. Bombycopsis. 
/V/V. Vein 8 of forewing rises from the fork of veins 6 and 7. The pedicle of the 
veins 9 and 10 projects beyond the apex of the discal cell, but it is invariably 
shorter than the veins themselves. Vein 9 terminates into the distal margin. 
Veins 4 and 5 of the hindwing forked. 
1. Veins 9 and 10 of forewing very long, 3 to 4 times the length of their pedicle. 
Palpi large and long, projecting far beyond the frons. 
14. Catalebeda. 
2. Veins 9 and 10 of fore wing never twice as long, generally shorter than 
their pedicle. Palpi moderately long, not or little projecting beyond the 
frontal hairing. 15. Taragama. 
§§. Veins 4 and 5 of forewing forked from the posterior angle of the discal cell. Vein 
9 into the margin. 16. Pachypasa. 
17. Braura. 
**. Costal margin of hindwing in the middle more or less emarginated and clad with thick stiff hair, 
or almost straight, but then at the apex of vein 8 forming a distinct angle, or with very long 
and conical palpi. 
f. Palpi long rostriformly porrect. Vein 9 of forewing terminating into the costal margin or 
apex. Eyes hairy. 
o. Pedicle of veins 9 and 10 of forewing as long or longer than the veins themselves. Vein 
8 of hindwing fused with vein 7 for some distance. Costal margin of hindwing in the 
middle very deeply emarginated. 18. Rhinobombyx. 
oo. Pedicle of veins 9 and 10 of forewing many times shorter than the veins, hardly projecting 
beyond the apex of the discal ceil. Vein 8 of hindwing only in one place united with 
vein 7. Costal margin of hindwing often as far as the apex of vein 8 straight or only 
moderately emarginated, rarely deeply emarginated. 19. Leipoxais. 
