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Corythurus
nocturnus Hampson
Corythurus nocturnus Hampson, 1893, Illustr. typical Specimens Lepid. Het. Br. Mus., 9:113.
Corythurus nocturnus Hampson; Holloway, 1976: 12.
Corythurus
nocturnus  |
Corythurus
nocturnus  |
Diagnosis.
This is a
large dark greyish species, the forewings variably shaded with dull bronze
colour and black, alleviated by white markings particularly submarginally over
the anterior half of the wing. The orbicular stigma is often conspicuous,
surrounded by white.
Taxonomic
note. Bornean
specimens have the male eighth sternal processes broader than those from Sri
Lanka.
Geographical
range. Sri
Lanka. Borneo.
Habitat
preference. The
species is occasionally abundant in lowland forest and has also been taken
sporadically in montane habitats. During the Mulu survey a large number were
taken at one alluvia] forest site (70m) and a few at 1500m on the limestone G.
Api. In Brunei specimens have been taken in various lowland forest types,
including dry heath forest at Telisai, and also at 1618m on Bukit Retak. It is
possible that hill-topping may occur.
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