FAMILY SPHINGIDAE
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Panacra busiris Walker
Panacra busiris Walker, 1856, List Specimens lepid. Insects Colln. Br. Mus., 8: 158.
Panacra busiris Walker; Rothschild & Jordan, 1903: 536.


Panacra busiris (India)
(.90 natural size)


Diagnosis.
The species has a striking green rectangle in the anterior half of the forewing, running from one quarter along the costa to three quarters. The distal posterior angle of this rectangle is edged with white and the basal one is linked to the dorsum by a green band. The base of the forewing dorsum has a conspicuous white patch.

Geographical range. N.E. Himalayas to Borneo, Sumatra, and Sulawesi.

Habitat preference. The species is rare, taken only in the lowlands.

Biology. The larva was described by Bell & Scott (1937). It is rich olive green, the thoracic segments and dorsum of the abdomen suffused pale brown, with a broken, narrow dorsal stripe of dark brown. There is a narrow dark brown dorsolateral stripe on the thorax, and a pale yellowish brown lateral stripe that edges the ocellus below and is wavy over the abdominal segments, associated with two broad inverted 'V' markings centrally on the flanks. There are large dorsolateral ocelli on A1, their surface enamel-like, centred with a black pupil and edged with dark, then pale brown; the area between the ocelli is spotted with white. The horn is olive green with a yellow tip.

Recorded host-plants (Bell & Scott, 1937;
Pholboon, 1965) are: Lasia, Pothos (Araceae).

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