Arctornis corrugata Toxopeus
1948, Treubia, 19: 463.
Mackey, 1984: 6.
sp. 2, 9;
Holloway, 1976: 43, 45.
Diagnosis. The facies is much as in the previous three species, so dissection is
necessary for identification. The uncus is similarly narrow. The valves are
rectangular, broadened slightly distally, with a slender harpe, apically bulbous
but not acute, extending well beyond the distal margin. It is slightly flexed
Taxonomic note. A specimen labelled by Collenette as having been compared with the type
of A. adusta Toxopeus comb. n. had genitalia referable to corrugata.
Both these taxa are stated by Toxopeus (1948) to have the forewing costal
edge ochreous. It is only narrowly so in material under study here. The identity
is established from the paratype examined by Mackey (1984).
Geographical range. Borneo, Sumatra.
Habitat preference. The species ranges from the lowlands to 1620m (Kinabalu
records). During the Mulu survey it was found to be particularly common in
lowland forest at 250m on the slopes of the limestone G. Api.
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