Narrative

Fluted Swallowtails (Papilio) group of the Eurasian region is hard to divide. Following is a list of species that make up this group (an * indicates that this species is pictured):

SPECIES - - - - - LOCATION
Papilio albinus* - Jaya and Papua
Papilio alphenor - Indonesia and Philippines
Papilio amynthor(=ilioneus) - New Caledonia
Papilio antonio* - Philippines
Papilio ambrax* - Papua and Australia, etcetera
Papilio biseratus - Timor (Indonesia)
Papilio benguetanus* - Luzon (Philippines)
Papilio canopus - Indonesia and Australia
Papilio castor* - India to Taiwan
Papilio chaon* - India, China, Taiwan
Papilio demoleus* - Saudi Arabia to New Guinea
Papilio demolion* - Burma, Malay, Philippines, etc.
Papilio diophantes* - North Sumatra
Papilio dravidarum - South India
Papilio euchenor* - Irian Jaya, Papua
Papilio fuscus* - Indonesia, Malay, Solomons, etc.
Papilio gigon* - Sulawesi (Indonesia)
Papilio godeffroyi* - West Samoa
Papilio helenus* - Widespread: India, Malay, Japan
Papilio hystaspes - Philippines
Papilio hipponous* - Indonesia
Papilio illioneus* - New Caledonia
Papilio iswara* - South Burma, Malay, and Sumatra
Papilio iswaroides* - Malaysia and north Sumatra
Papilio jordani - Sulawesi (Indonesia)
Papilio liomedon - South India
Papilio nephelus* - Thailand and Malaysia
Papilio noblei - Burma, Thailand
Papilio phestus - Papua and Solomons
Papilio pitmani - Burma and Philippines
Papilio polytes* - Widespread in Orient
Papilio sakontala - North India
Papilio sataspes* - Sulawesi, etcetera (Indonesia)
Papilio schmeltzi* - Fiji
Papilio walkeri - South India
Papilio xuthus* - S. China, Japan, Taiwan, Hawaii

(not pictured) Papilio alphenor of Indonesia and Philippines may be a form of Papilio polytes.
(not pictured) Papilio sakontala from north India is probably just a form of Papilio polytes.
(not pictured) Papilio walkeri is probably just a form of Papilio polytes.

Taxonomy

References