Macroglossum prometheus Boisduval
Macroglossa prometheus Boisduval, 1875, Nat. Hist. Insectes, Spec. Gen.
Lep., 1: 355.
(.85 natural size)
Diagnosis. The oblique, slightly curved edge to the forewing
with dark grey to almost black distad, grading away paler, is the most
distinctive feature of this species.
Taxonomic notes. The typical race flies in Borneo.
Geographical range. Indian Subregion through S.E. Asia to New Guinea and
Habitat preference. The single specimen taken in recent surveys was from
Seria on the coast of Brunei (Harman, 1981).
Biology. The larva was described by Dupont & Roepke (1941). When young
it is pale yellowish green with a long, thin, straight horn. When fully
grown it is pale green, with white spots in the dorsal area that is
enclosed by the pale yellow dorsolateral stripes. The head and horn are
green, the latter slightly upcurved. There are grey and brown variants
with black dorsolateral stripes, and black ones that are white-spotted.
The host-plant recorded was Morinda (Rubiaceae).
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