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Eggs of black-veined white (Aporia crataegi) on apple leaf A butterfly from the genus Euploea, laying eggs underneath the leaf. Butterfly eggs are protected by a hard-ridged outer layer of shell, called the chorion. This is lined with a thin coating of wax which prevents the egg from drying out before the larva has had time to fully develop.
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 .
A popular Easter tradition in some parts of the world is the decoration of hard-boiled eggs (usually by dyeing, but often by hand-painting or spray-painting). Adults often hide the eggs for children to find, an activity known as an Easter egg hunt. A similar tradition of egg painting exists in areas of the world influenced by the culture of Persia.
These are thought to protect the plant as the butterfly avoids laying eggs near eggs already on a host plant, to give her own eggs the best chance of survival. A later example is the mimicking of a mammalian hormone by an ant toxin which causes long-lasting hypersensitivity, Gilbertian mimicry at a molecular level.
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The top of the egg is depressed and forms a small central cavity called micropyle through which the egg is fertilised. [11] The micropyle is situated on top in eggs which are globular, conical, or cylindrical; in those eggs which are flattened or lenticular, the micropyle is located on the outer margin or rim.
This form of egg production is helpful because larvae are much more vulnerable than adult stages, although they also utilize aposematism. Because many of the nutrients needed to produce eggs are obtained in the adult stage, the larval stage is much shorter and less susceptible to predation.
Hypolimnas bolina, the great eggfly, [1] [2] common eggfly, [2] varied eggfly, or in New Zealand the blue moon butterfly, [3] is a species of nymphalid butterfly found from Madagascar to Asia [1] and Australia.