| 1. |
Fore femora at base distinctly curved
and carinate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . |
2 |
| - |
Fore femora at base straight or nearly straight, cylindrical in cross-section
or indistinctly carinate. |
13 |
| 2. |
Elytra, at least in females, not present or minimal, lobular; apterous,
brachypterous or micropterous. |
3 |
| - |
Elytra distinct, rarely spine-shaped; wings more or less explicit;
ovipositor not developed. . . . . . . |
6 |
| 3. |
Front metatarsus crested. . . . . . . . . . . . . . . . . . . |
4 |
| - |
Front metatarsus simple. . . . . . . . . . . . . . . . . . . . |
5 |
| 4. |
Operculum deep-seated navicular, crested, median distinctly and sharply
carinate. . . . . . . . . . |
Leprocaulinus |
| - |
Operculum plane, not carinate. . . . . . . . . . . . . . . |
Phenacocephalus |
| 5. |
Operculum blunt. . . . . . . . . . . . . . . . . . . . . . . . . |
Parasipyloidea |
| - |
Operculum narrow, totally corneous, tube-like, together with ovipositor
elongate. . . . . . . . . . . . . |
Orxines |
| 6. |
Operculum excised or emarginate at the hind margin. . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . |
7 |
| - |
Operculum acuminate or round at the hind margin, not tubular. . . .
. . . . . . . . . . . . . . . . . . . . |
9 |
| 7. |
Operculum plain, apex never tubular. . . . . . . . . . |
8 |
| - |
Operculum narrow at the hind margin, convoluted, almost tubular and
emarginate, usually smooth, shiny, almost corneous; ocelli present. . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
Aruanoidea |
| 8. |
Head depressed. . . . . . . . . . . . . . . . . . . . . . . . . |
Asceles |
| - |
Head globular. . . . . . . . . . . . . . . . . . . . . . . . . . . |
Neoclides |
| 9. |
Back of head globular elevated. . . . . . . . . . . . . . |
10 |
| - |
Head elongate, depressed. . . . . . . . . . . . . . . . . . |
11 |
| 10. |
Elytra with small hump-like elevation; brachypterous. . . . . . . .
. . . . . . . . . . . . . . . . . . . |
Micadina |
| - |
Elytra sometimes with distinct hump. . . . . . . . . . . |
Sosibia |
| 11. |
Females apterous or micropterous; four hind femora with 1-2 ventro-apical
teeth. . . . . . . . . . |
Lopaphus |
| - |
Wings in females long; four hind legs ventrally unarmed. . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . |
12 |
| 12. |
Eyes positioned at front of head. . . . . . . . . . . . . . |
Sipyloidea |
| - |
Eyes positioned in middle of head. . . . . . . . . . . . |
Platysosibia |
| 13. |
Elytra and wings absent. . . . . . . . . . . . . . . . . . . . |
Meionecroscia |
| - |
Elytra and wings long. . . . . . . . . . . . . . . . . . . . . . |
Nescicroa |