Purple Emperor

The purple emperor is a distinctive species of butterfly, found in woodlands across Europe. The purple emperor is most well known for the bright blue-purple markings of the wings of the male purple emperor butterflies.

The purple emperor is most commonly found throughout central Europe and in the warmer, southern regions of the United Kingdom. The purple emperor is found inhabiting ancient forests and deciduous woodlands where the adult purple emperors spend most of their lives hidden high up in the trees.

Despite the name, it is only the male purple emperor butterflies that are actually of a purple looking colour. The females purple emperors are much duller in appearance with a generally brown wingspan, a few white markings and a small orange circle on each of its hind wings (the males are very similar only with the added purple sheen).

Female purple emperors spend most of their lives in the tree canopy coming down only to lay their eggs. Male purple emperor butterflies also spend much of their time in the tree tops, defending their territory from rivals, though they will sometimes descend in order to drink from puddles or feed.

Unlike most butterflies, the purple emperor does not feed from flowers but instead on the honeydew secreted by aphids and on dung, urine and animal carcasses, as well as the sap from oak trees.

Eggs are laid by the female purple emperors in late summer on the upper side of leaves, which the purple emperor caterpillars hatch out of. The purple emperor caterpillars are green with white and yellow markings and have two large horns, and soon undergo the incredible transformation from young to caterpillar to adult butterfly.

Today, purple emperor butterflies are threatened in their natural habitats from factors including chemical and noise pollution and even complete habitat destruction in the form of deforestation.

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Sources:
1. David Burnie, Dorling Kindersley (2011) Animal, The Definitive Visual Guide To The World's Wildlife
2. Tom Jackson, Lorenz Books (2007) The World Encyclopedia Of Animals
3. David Burnie, Kingfisher (2011) The Kingfisher Animal Encyclopedia
4. Richard Mackay, University of California Press (2009) The Atlas Of Endangered Species
5. David Burnie, Dorling Kindersley (2008) Illustrated Encyclopedia Of Animals
6. Dorling Kindersley (2006) Dorling Kindersley Encyclopedia Of Animals