Ornithoptera meridionalis
Encyclopedia
Ornithoptera meridionalis is the smallest species
of the genus
Ornithoptera. It is known from a handful of localities in southeast Papua, New Guinea (O. meridionalis meridionalis) and several localities along the south coast of Irian Jaya (O. meridionalis tarunggarensis).
O. meridionalis was first collected by Albert Stewart Meek
near Samarai
, Milne Bay Province, Papua New Guinea. The holotype
is a female held in the British Museum (Natural History) collection. Meek was funded in his expeditions by the scientific author of this species, Lord Walter Rothschild
.
. A very few specimens have also been collected at altitude in Irian Jaya by Jan Pasternak, however these specimens were reared from immature stages and emerged crippled (Deslisle, 2004), suggesting that high altitude forests are not favoured habitats. O. meridionalis has also recently been found in close promimity to its sister species, Ornithoptera paradisea, near Timika in Irian Jaya (Gotts, 2003). Host plants for this species are all vines of the genus Pararistolochia (Aristolochiaceae), including the species P. meridionalis in Papua New Guinea. Larvae typically ringbark the host before pupating on nearby plants.
O. meridionalis is classified as Vulnerable in the ‘Red Data Book of Threatened Swallowtail Butterflies of the World’ and is threatened by habitat loss (rainforest clearing), especially in parts of Papua New Guinea. For example, a well known locality at the Brown River has now been destroyed by logging. There are a few villages farming this species in Papua New Guinea. Most commercially available specimens are now sourced from Irian Jaya and are extremely valuable (prices may exceed US$1000 per pair). Collecting has a negligible effect on population sizes provided the original habitat is left undisturbed.
The specific ephiphet meridionalis means southern.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of the genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
Ornithoptera. It is known from a handful of localities in southeast Papua, New Guinea (O. meridionalis meridionalis) and several localities along the south coast of Irian Jaya (O. meridionalis tarunggarensis).
O. meridionalis was first collected by Albert Stewart Meek
Albert Stewart Meek
Albert Stewart Meek was an English bird collector and naturalist. The name Alfred S. Meek which can be read in several publications is referred to Albert Stewart Meek.-Biography:...
near Samarai
Samarai
Samarai is an island and former administrative capital in Milne Bay Province, Papua New Guinea. Located off the south-eastern tip of New Guinea in the China Strait Samarai has an area of just ....
, Milne Bay Province, Papua New Guinea. The holotype
Holotype
A holotype is a single physical example of an organism, known to have been used when the species was formally described. It is either the single such physical example or one of several such, but explicitly designated as the holotype...
is a female held in the British Museum (Natural History) collection. Meek was funded in his expeditions by the scientific author of this species, Lord Walter Rothschild
Walter Rothschild, 2nd Baron Rothschild
Lionel Walter Rothschild, 2nd Baron Rothschild, Baron de Rothschild FRS , a scion of the Rothschild family, was a British banker, politician, and zoologist.-Biography:...
.
Distribution and habitat
It is strictly a lowland species, favouring primary rainforestRainforest
Rainforests are forests characterized by high rainfall, with definitions based on a minimum normal annual rainfall of 1750-2000 mm...
. A very few specimens have also been collected at altitude in Irian Jaya by Jan Pasternak, however these specimens were reared from immature stages and emerged crippled (Deslisle, 2004), suggesting that high altitude forests are not favoured habitats. O. meridionalis has also recently been found in close promimity to its sister species, Ornithoptera paradisea, near Timika in Irian Jaya (Gotts, 2003). Host plants for this species are all vines of the genus Pararistolochia (Aristolochiaceae), including the species P. meridionalis in Papua New Guinea. Larvae typically ringbark the host before pupating on nearby plants.
O. meridionalis is classified as Vulnerable in the ‘Red Data Book of Threatened Swallowtail Butterflies of the World’ and is threatened by habitat loss (rainforest clearing), especially in parts of Papua New Guinea. For example, a well known locality at the Brown River has now been destroyed by logging. There are a few villages farming this species in Papua New Guinea. Most commercially available specimens are now sourced from Irian Jaya and are extremely valuable (prices may exceed US$1000 per pair). Collecting has a negligible effect on population sizes provided the original habitat is left undisturbed.
The specific ephiphet meridionalis means southern.