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Ornithoptera richmondia figs. 1 and 2 The plate accompanied Gray's original description. The female Ornithoptera euphorion below (fig. 3) is much larger.. O. richmondia has never received an official IUCN classification (Collins & Morris, 1985), however Sands & Scott (1997) regarded it to satisfy the "vulnerable" category because of habitat loss across its former range.
Ornithoptera, or the genus of birdwing butterflies, usually reproduce sexually and are oviparous. [9] In butterflies sex is determined by a WW/WZ system , with a heterogametic female, reverse of that found in mammals and many other insects, which have a heterogametic male. [ 10 ]
Ornithoptera is a genus of birdwing butterflies found in the northern portion of the Australasian realm, east of Weber's line; the Moluccas, New Guinea, the Solomon Islands, and northeastern Australia; except for Ornithoptera richmondia, which may be found in far northeastern New South Wales, Australia, therefore the southernmost distribution of birdwings.
The birdwings genus Ornithoptera comprises some of the largest and most beautiful butterflies in the World. The genus is distributed over southern parts of Asia to Australia.
Cairns birdwing (Ornithoptera euphorion): Australia's largest endemic butterfly. Australia has more than 400 species of butterfly, the majority of which are continental species, and more than a dozen endemic species from remote islands administered by various Australian territorial governments.
A closely allied species, the New Guinea or Priam's birdwing (Ornithoptera priamus) reaches 19 cm (7.5 in) and is the largest butterfly species found in Australia, but it is not endemic. O. euphorion is quite closely related to O. richmondia, differing by its greater size and more extensive green markings in the male. [3]
Illustration of both males and females. Ornithoptera paradisea is a large butterfly with a wingspan ranging from 140 mm to 190 mm. As they are sexually dimorphic, males and females differ in the size, shape and colour of the wings.
Aquatic insects or water insects live some portion of their life cycle in the water. They feed in the same ways as other insects . Some diving insects, such as predatory diving beetles , can hunt for food underwater where land-living insects cannot compete .