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Ornithoptera alexandrae, the Queen Alexandra's birdwing, is the largest species of butterfly in the world, with females reaching wingspans slightly in excess of 25 to 28 cm (10 to 11 in). [ 4 ] [ 5 ] This birdwing is restricted to the forests of the Oro Province in eastern Papua New Guinea .
Lepidopterans range in size from a few millimetres in length, such as in the case of microlepidoptera, to a wingspan of many inches, such as the Atlas moth and the world's largest butterfly Queen Alexandra's birdwing. [10]: 246
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.
Image credits: @dianamurguta Another extraordinary butterfly to mention could be Queen Alexandra's birdwing. They are known as the biggest butterflies in the world, reaching an impressive wingspan ...
Included among the birdwings are some of the largest butterflies in the world: the largest, Queen Alexandra's birdwing; the second largest, the Goliath birdwing; the largest butterfly endemic to Australia, the Cairns birdwing; and the largest butterfly in India, the southern birdwing.
Queen Alexandra's birdwing, found in Papua New Guinea, is the largest butterfly in the world. The species is endangered , and is one of only three insects (the other two being butterflies as well) to be listed on Appendix I of CITES , making international trade illegal.
Egg size tends to be proportional to the size of the adult bird, [citation needed] from the half gram egg of the bee hummingbird to the 1.5 kg egg of the ostrich. Kiwis have disproportionately large eggs, up to 20% of the female's body weight. [ 18 ]
The eggs, up to 20, are laid singly on small plants or severally on larger plants. The young larvae feed on new leaves, as they grow they feed on older leaves and finally on the bark of the stems which may be severed. The vine may be eaten down to the root. Pupation is on the underside of a leaf of a nearby shrub close to the host plant remains.