fissisigna Hampson, 1926, Descr. Gen. Spec. Noctuinae,
fissisigna Hampson; Holloway, 1976: 32.
Both this and the next species bear a superficial resemblance to the notodontid
(Holloway, 1989: 208), but the pale cream area based on the costa is shaped
differently; in Sphetta it has a shallow, evenly curved posterior margin
extending from the apex to a dentate projection in the discal area. Its shape
also distinguishes between the Bornean Pseudosphetta;
it is much deeper, more prominent and has a distinctive tooth directed distad at
its dorsal extremity in fissisigna.
range. Peninsular Malaysia, Sumatra, Borneo, Thailand (VK).
preference. This is essentially a species of lowland forest, including
heath forest, but is uncommon. Single specimens have been recorded at 1000m on
G. Mulu and at 1200m on G. Kinabalu.
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