FAMILY SPHINGIDAE
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Panacra automedon Walker
Panacra automedon Walker, 1856, List Specimens lepid. Insects Colln. Br. Mus., 8: 154.
Panacra automedon Walker; Rothschild & Jordan, 1903: 537.


Panacra automedon
(.90 natural size)


Diagnosis.
The several postmedial lines of the forewing are more even in intensity, extending to become constricted together before disappearing just subcostally; in dohertyi they continue to the costa, and in malayana they are only really strong at the dorsum. There is never an obvious longitudinal dark shade to the marginal angle. The pale submarginal band of the hindwing is more uniform than in dohertyi and malayana.

Geographical range. N.E. Himalaya to Sundaland.

Habitat preference. This is probably a lowland species. No specimens have been taken in recent surveys.

Biology. Dupont & Roepke (1941) described and illustrated the larva. The young larva is green with a pinkish horn. The pairs of ocelli develop as black dots in the third instar. Later instars are green, dark grey, or even bluish. The green larva has brown-ringed black ocellar spots, with two rows of four white spots between them. The darker ones have ocellar spots, but also pairs of dark dorsal spots on the abdominal segments, and some weak longitudinal banding.

The host-plant recorded was Lasia (Araceae).

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