FAMILY SPHINGIDAE
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Meganoton rufescens Butler 
Diludia rufescens Butler, 1875, Proc. Zool. Soc. Lond., 1875: 260.
Meganoton rufescens Butler; Rothschild & Jordan, 1903: 36.
Meganoton severina Miskin, sensu Harman, 1981: 93.
Meganoton rufescens thielei Huwe, 1906, Berlin. ent. Z., 50: 316.


Meganoton rufescens
(.65 natural size)


Diagnosis.
Confusion with Psilogramma menephron is possible, but the pale discal spot is very prominent, linked to the costa by a strong, oblique dark brown bar that is lacking in menephron.

Taxonomic note. Bornean material is referable to ssp. thielei Huwe.

Geographical range. Throughout the Indo-Australian tropics to New Guinea and Queensland.

Habitat preference. All specimens have been taken in the lowlands. The species is infrequent.

Biology. Dupont & Roepke (1941) described and illustrated the larva in Java. It is green with a dorsal yellow patch on T1 and broad, oblique, white stripes on the abdominal segments that tend to run into a paler dorsal stripe. The anterior oblique stripes are more pronounced and extensive in early instars.

Recorded host-plants (Bell & Scott, 1937; Moulds, 1984) are: Annona, Melodorum (Annonaceae); Kigelia, Spathodea (Bignoniaceae).

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