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Arctornis camurisquama
Collenette
comb. n.
Leucoma
camurisquama Collenette,
1932, Novit. zool., 38: 54.
Diagnosis. The forewings have a distinctively arcuate satiny white band just distal
to the discal spot that stops well short of the dorsum and costa. The costa is
also more reflective white, and the fringes are grey. The frons has a rich dark
brown bar between the antennae, and the palps are a similar colour or only
slightly paler. The legs are spotted. The male genitalia have the uncus small
and narrow as in clavimicruncus, but the valves are more rectangular,
with some subcostal lobing above the harpe which is straight or slightly
sinuous, expanding gently into a rounded, club-like apex with sparse scobination over the
distal third.
Taxonomic note. Bornean specimens attributed by comparison with the types to clavigera
Toxopeus and, more tentatively, to linteola Toxopeus by Collenette in
BMNH proved on dissection (slides 2132 and 2134 respectively) to have genitalia
as in camurisquama.
Geographical range. Singapore, Peninsular Malaysia, Sumatra (Schintlmeister,
1994), Borneo.
Habitat preference. This is one of the commoner lowland forest species
but is also frequent in lower montane forest at about 1000m. During the Mulu
survey, it was taken mainly on the G. Mulu transect and was absent from kerangas
and forest on limestone.
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