Miscellaneous Genera I
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Sympis rufibasis Guenée
Sympis rufibasis Guenée, 1852, Hist. Nat. Insectes, Spec. gén. Lépid. 7: 344.
Sympis rufibasis Guenée; Holloway, 1976: 34.

Sympis rufibasis

Diagnosis. The facies is distinctive, as described above.

Geographical range. Indo-Australian tropics east to New Guinea, the Solomons and Queensland.

Habitat preference. The species is common from the lowlands to 1930m, including disturbed and cultivated areas.

Biology. The larva was described by Gardner (1947) and illustated by Kuroko & Lewvanich (1993). It is a slender spindle shape, tapering at each end. The colour is a darkish, olive green-brown, with a conspicuous pale yellow stripe along each side that extends from the head to the anal prolegs, which are splayed out behind. Kuroko & Lewvanich noted two forms of the larva: olive, greyish brown with a white stripe; green with a yellow stripe. All the prolegs have expanded plantae to give them a T-shape, and, of the abdominal ones, those on A4 are moderately reduced and those on A3 strongly so.

The host plants listed by Robinson
et al. (2001) are all from the Sapindaceae: Dimocarpus, Litchi, Nephelium. However, there is also a record from Euphorbia (Euphorbiaceae) in Hong Kong (unpublished IIE records).

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