Clipper

The Clipper belongs to Nymphalidae, subfamily Limenitidinae and tribe Parthenini. Parthenos sylvia comprises geographically differentiated subspecies, including lilacinus and virens. [1][3]

In lilacinus, the dark dorsal wings carry blue-green bands and conspicuous white forewing patches. The ventral surface is paler. Florida Museum gives a wingspan of 7.6–10.7 cm for the Clipper. [1][2]

Historical treatments record Parthenos sylvia across South and Southeast Asia to New Guinea, with several regional forms. [6]

A 2013 Singapore account discussed earlier forest records, apparent absence from the wild and an airport aviary population. The Singapore Red Data Book changed the assessment of lilacinus from Nationally Extinct in its second edition to Data Deficient in its third. These records concern Singapore. [2][4]

A 2009 study in Yunnan recorded eggs laid singly, five larval instars, six generations in a year and adults overwintering. These observations describe the population studied in southern China. [7]

Western Ghats records for virens include Zanonia indica, Tinospora sinensis and Adenia hondala. Indian agricultural records also list Tinospora cordifolia and Adenia. The Yunnan study recorded Passiflora siamica. [3][7][8]

Adults visit nectar sources, including Lantana, and have been observed feeding at rotten fruit and wounds in trees. [5][7]

Singapore observations describe powerful flight interspersed with gliding, and adults resting with their wings open. The broad wings and contrasting bands are especially conspicuous during these glides. [2]

Cramer originally described the species in Papilio. Historical treatments also used Minetra and Kallima before its placement in Parthenos. These combinations provide access to older descriptions and distribution records. [6]

Singapore’s third national Red Data Book assesses the subspecies lilacinus as Data Deficient. The assessment applies to its national population. [4]

Dorsal views show the upper-wing bands and white forewing patches; ventral views show their paler underside counterparts. Equivalent surfaces and similar viewing angles provide the most reliable comparisons between regional forms.

Bold contours and simplified colour retain the documented wing outline and marking arrangement. The illustration emphasizes the contrast between the broad coloured fields and darker bands.

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