The World of Birdwing Butterflies



Troides rhadamantus was described by Boisduval in 1836, but already the previous year Lucas had referred to Boisduval's forthcoming manuscript. As Boisduval's paper was published after Lucas' reference, Lucas is standing as the valid auctor of this species!

T. rhadamantus inhabits the Philippines and is the country's most common birdwing.

The taxonomic relationship between T. rhadamantus rhadamantus, T. rhadamantus plateni and T. dohertyi is unsettled. Haugum & Low (1985) argued strongly for placing both plateni and dohertyi as subspecies of T. rhadamantus, while others (e.g. Tsukada & Nishiyama, 1980, 1982) accepted all of them as distinct species. The position taken in this work was used by e.g. Ohya (1983).

T. rhadamantus' flight is high above ground in the warm gullies and creeks, but the species frequently visits lower flowers such as Lantana.

Mr. Jan Petersen reports that ranching or breeding is easier with plateni than with T. trojana. Pupae can often be found on Aristolochia tagala in private gardens.

Considerable geographical variations exist within the Philippines of ssp. rhadamantus, perhaps not very surprising considered the great number of islands comprising the Philippines.

To view the images of this species, click on the name of the species.
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of a specific subspecies, click on the name of the subspecies.


T. rhadamantus rhadamantus

Auctor: Lucas, 1835
Syn.: astenous Eschscholtz, 1821 (nec Fabricius, 1775)
Syn.: amphrisius Lucas, 1835 (nec Fabricius, 1787)
Syn.: nephereus Gray, 1856
Syn.: bazilanicus Fruhstorfer, 1908
Syn.: hesiodus Fruhstorfer, 1911
Syn.: basilianicus Sharpe, 1911 (lapsus)
Syn.: belzanor Fruhstorfer, 1911
Syn.: velzanor Nakahara & Kurosawa, 1958 (lapsus)
Distribution: Philippines, excluding Cuyo group, Palawan, Balabac, Domoran,
?Babuyan, ?Batan and several of the smallest islands
Etymology: Minos, Rhadamanthus and Aeakus were the three judges of the
underworld in Greek mythology.
Described forms:
mf. rhadamantus Lucas, 1835
mf. belzanor Fruhstorfer, 1911
ff. rhadamantus Lucas, 1835
ff. hesiodus Fruhstorfer, 1911

T. rhadamantus plateni

Auctor: Staudinger, 1888
Distribution: Palawan
Etymology: Named after Dr.Platen who was the first to collect Troides
rhadamantus plateni and Trogonoptera trojana in Palawan
Notes: By some authors considered a good species.
Described forms:
ff. flavoradiata Rumbucher & von Kn÷tgen, 1999

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ę Tony Nagypal, 2000

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