Butterflies of the
Family - PAPILIONIDAE
male, Sikkim, India
The genus Graphium
is widespread in the Old World, with 35 species in the Afrotropical
region, 14 in the Oriental region, 6 in the Holarctic ( south & west
China ) and 20 in the Australian region.
Many of the
Oriental species have a pattern of translucent turquoise or
yellowish 'windows' in their wings. Several however have a tiger
pattern similar to that of the Danaine genera
Parantica and Tirumala, and
others such as aristeus,
glycerion are white with black stripes and long tails.
eurous is found in northern India, Nepal, Bhutan, Thailand,
Tibet, China and Taiwan.
This species occurs in forested habitats at altitudes between about
The larval foodplant
is Machilus ( Lauraceae ).
As with other
Graphium species, eurous males
adopt the 'filter-feeding' technique - using their long proboscises to
continually suck up water from which they extract sodium and other
minerals. They constantly pump the water through their bodies,
expelling the surplus from the anus, and using it to dissolve further
minerals from the ground, which they re-imbibe.