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Dysaethria
nigrifrons Hampson comb. n.
Epiplema nigrifrons Hampson,
1896, Fauna Br. India, Moths, 4: 549.
Diagnosis. One of the larger members of the subalbata group, nigrifrons has
a heavier dark brown suffusion to the wings, without the clearer area at the
hindwing apex seen in subalbata and the next two species. The dark
marginal zone of the forewing is elongate, entire. The forewing postmedial is
more heavily marked over the anterior half. The male genitalia have the valves
broader than in subalbata, the uncus structure more robust. The fan of
scales is also slightly larger. The aedeagus vesica has a large and small
cornutus distally in the shaft and a few further small ones more basally.
Geographical range. Burma, Borneo, Java, Flores.
Habitat preference. Most Bornean material seen is female, from lower
(1000m) or upper (1780m) montane forest on G. Mulu apart from one specimen from
1620m on G. Kinabalu. There is a single male from 1680m on Bukit Pagon in
Brunei.
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