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Nycteola
sinuosa
Moore
Symitha sinuosa Moore, 1888, Descr. new Indian lepid. Insects Colln W.S.
Atkinson: 289.
Diagnosis. The forewings are a more ashy grey than in the previous two
species, with more distinct fasciation, the double postmedial and antemedial
ones arising in an oblique (acute angle distad) manner from the costa before
becoming irregularly transverse. The hindwings grade whiter towards the base.
Taxonomic note. Sundanian material may differ slightly in male genitalia
from typical Indian material. The Bornean specimen has a much more expanded
tegumen, a more elongate uncus, an elongate central distal process of the valve
that is twice as long and also a distinct row of carinae on the exterior of the
valve. There is also a row of more robust but small cornuti in the aedeagus
vesica.
Geographical range. India, Hong Kong; Peninsular Malaysia, Java, Borneo.
Habitat preference. A single male has been taken in upper montane forest at
1775m on Bukit Monkobo in Sabah.
Biology. Typical Indian sinuosa has a pale green larva with a yellow
head that feeds on Pterocarya (Juglandaceae) (Gardner, 1948).
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