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Ilema altichalana sp. n.
Dasychira chalana Moore sensu Holloway, 1976: 51.

Ilema altichalana (holotype)

18mm. This is a larger species than costiplaga but with similar brownish green facies. The genitalia are also of the two-pronged type, but the saccular process is narrower at the base, distally longer and more sinuous. The apex of the valve is deeper, slightly more upturned.

Holotype . SABAH: Mt Kinabalu, Mesilau, 1500m, vii-ix-1965, Cambridge Expedition to Mt Kinabalu 1965 (H.J. Banks, H.S. Barlow & J.D. Holloway) BM lymantriid slide 1187.

Paratype . General data as holotype but Part H.Q., 1620M, BM lymantriid slide 2767.

Geographical range. Borneo.

Habitat preference. All records are between 1500m and 1930m on G. Kinabalu. The two other specimens noted in Holloway (1976) have been mislaid.

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