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Ardonis Moore Gen. rev.
Type species: chlorophilata Walker, Bhutan.
Synonyms: Aepylopha Turner (type species thalassia Turner,
Queensland) syn. n.; Ceratorhynchus Hampson (type species deletarius
Hampson = filicata Swinhoe) praeocc., syn. n.; Thamnocausta
Warren (type species malachitis Warren, New Guinea) syn. n.
This genus includes a small number of species with pale sea-green
forewing ground colour and black fasciae, the postmedials being
characteristically dentate centrally on both wings, though the male hindwing is
diagnostically modified: narrowed; loose tufts of raised scales at the dorsal
angle; an acute patch of dark scales subcostally. The latter underlaps a
broader, more diffuse patch on the underside of the forewing. The fasciae are
also strong on the underside, but somewhat more diffuse. The male antennae are
filiform, the labial palps of both sexes moderate, extending forward beyond the
head approximately for the same length as the head, the second segment rather
deep.
The male abdomen has only weak octavals. The genitalia have the saccus
extended to support a pair of coremata, much more so in filicata than in chlorophilata.
The valves have a flimsy balloon-like structure exteriorly arising centrally
at about two-thirds. The aedeagus has opposing groups of spines inside the apex
(see also Syncosmia Warren).
The female genitalia have a moderate ductus and an elongate, ovate bursa
with two small sclerotised plates basally, and general rugosity throughout.
In addition to the species noted as type species above, the genus
includes A. dentifera Warren comb. n. (New Guinea, Seram) and A.
thaumasta Prout comb. n. (Java).
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