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Characoma Walker

Type species: albulalis Walker, Borneo.

Definition of Characoma and the related genera
Pardasena Walker and Giaura Walker is difficult, as the type species of the second and third have distinguishing characteristics not shared by other included species (e.g. as in Poole (1989)). Only Garella Walker can be clearly distinguished, as discussed below, though it shares with typical Characoma reduction of the hindwing veins in the M2-CuA2 sequence to three, with the anterior two stalked. In Pardasena and Giaura all four are present, but M3 and CuA1 are stalked.

Tymbal organs are present in some species of all of these genera. In most species, the male genitalia have a simple, tapering uncus, a tegumen that broadens and overlaps the vinculum on each side and bears a hair-pencil there, and moderate, simple valves with a slender, sabre-like black-scaled dorsal process, or at least with a shorter zone of scales on a long stalk.

In the female genitalia of all three genera the ovipositor lobes are typically sarrothripine, acute. The ductus is very long and slender, and the bursa is extensively if often very lightly spined, without a signum as in Etanna.

All the species included in Characoma here combine trifine hindwing venation with a very slender, sabre-like, black-scaled valve process, with the scales running for most of its length. The saccus is mostly slender, tapering rapidly from a broad base. All three genera are represented in the Afrotropics as well as the Indo-Australian tropics.

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