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Acrodontis insularis sp. n.
Acrodontis insularis  (paratype) |
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35-40mm. The facies is as in the generic description and
resembles most closely that of A. aenigma hunana Wehrli. The forewings
are less strongly or irregularly falcate, and the margins of both wings are
generally smoother. The male genitalia are distinguished by lack of a lobe to
the ventral part of the setal zone on the valve costa and presence of a large
single spine at the valve apex rather than a more generally serrate or spined
band.
Holotype .
SARAWAK: Gunung Mulu Nat. Park, R.G.S
Exped. 1977-8 (J.D. Holloway et al.) Site
22, April, W. Melinau Gorge, 150m, 421578 wet kerangas, BM geometrid slide
12680.
Paratypes. 5 general data as
holotype: 3 at Site 20,422577, same habitat; 1 at Site 23, 250m, FEG4,
limestone forest; 1 at Site 25, G. Api, 900m, 427550.
Geographical range. Borneo, Peninsular Malaysia, Sumatra, Sulawesi (Palu
region).
Habitat preference. Bornean material seen is all from the W. Melinau
Gorge area of the Gunung Mulu National Park where the species appears to be
restricted to wet heath forest (kerangas) and dipterocarp forest at low
elevations on limestone slopes (G. Api). One specimen was taken at 900m in lower
montane forest on G. Api. Sulawesi material is from an altitude range of 300-
1000m.
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