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Sundaroa cheyi sp.
n.
Sundaroa cheyi  (paratype) |
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10-13mm. The facies is much as in flaveofusca but
the hindwing marginal orange is in a narrower, less semicircular band. The
forewing has a more distinct but irregular, oblique paler band, with the discal
spot rather obscured by the heavier black scaling distal to the oblique band.
The male genitalia differ from those of flaveofusca in the slightly
larger, less sinuous uncus, with smaller but more acute basal processes. The
spines at the apex of the aedeagus are less robust.
Holotype . SARAWAK: 1910-95, 4th
mile, Rock Road, 6.5.1909, BM lymantriid slide 2467.
Paratypes:1 same data as holotype but
different label; l SARAWAK: Gunung Mulu Nat. Park,
R.G.S. Exped. 1977-8 (J.D.
Holloway et al.) Site 24, April, W. Melinau Gorge, 270m, 430558, FEG
4, limestone forest; l BRUNEI: 30-60m,
Labi, lowland forest, 4.8.79 (Lt. Col.
M.G. Allen); l SARAWAK: 300m, nr. Geronggang Camp,
Sg. Jela, tributary of Sg. Engkari, Lanjak-Entimau Wildlife Sanctuary, 8.vii.1998 (Chey Vun Khen), in
Sarawak Forest Research Centre Colln.
Geographical range. Borneo, ?Java (slide 2468).
Habitat preference. This is a rare species of lowland forest, possibly
day-flying and nocturnal.
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