Saturday 25 May
Endangered Species of the Week: Kakapo - the World's Favourite Species!

What’s the World’s Favourite Species?
Find out here.| Kingdom | Animalia |
| Phylum | Arthropoda |
| Class | Insecta |
| Order | Lepidoptera |
| Family | Nymphalidae |
| Genus | Inachis (1) |
The beautiful peacock butterfly (Inachis io) is a well-known and instantly recognisable species thanks to its unique patterning. The stunning eyespots, which earn this species its common name, frighten predators, or divert birds from attacking the body (1). In stark contrast to the brightly coloured upper surfaces, the undersides of the wings are dull brown (1). The sexes are similar in appearance, but females are slightly larger (4). The caterpillar, which grows to 4.2 centimetres in length, has a black, spine-covered body freckled with fine white spots (3).
Usually one generation is produced each year. Females lay eggs in groups underneath nettle leaves during May, after around two weeks the eggs hatch. The caterpillars live in groups, protected by a web of silk, before dispersing to pupate, hanging underneath vegetation (3). The adults emerge around two weeks later, in late July. They gather together at sources of nectar, building up reserves to see them through hibernation, which usually begins in September (2) and occurs in hollow trees and other refuges, including attics (4). They do not mate until the following year, emerging from hibernation as early as February, with peak emergence occurring in April. Males defend territories in sunny locations, and chase any females that pass by (2).
TopThis butterfly is widespread and common in the southern half of Britain, but becomes scarcer further north (2). It is widespread in Ireland, and occurs throughout much of temperate Europe, extending northwards to southern Scandinavia, but is absent from many areas of the extreme south. The peacock butterfly also occurs in Asia, reaching Japan (2).
TopPeacock butterflies occur in a wide range of habitats, and are familiar garden visitors to buddleias (Buddleja davidii). The adults prefer to feed in open areas in woodlands, and breeding habitat typically consists of large patches of nettles (Urtica dioica and Urtica urens), in sunny areas sheltered by woodland or hedges (2).
TopThe widespread and common peacock butterfly is not threatened. It is not listed under any conservation designations (2).
TopThe peacock butterfly is not currently threatened.
TopNo conservation action is targeted at the widespread and common peacock butterfly.
TopFor more on this species see: The Millennium Atlas of Butterflies in Britain and Europe (2001). By Asher, J., et al. Published by Oxford University Press. For more on butterflies and their conservation see the Butterfly Conservation website:
http://www.butterfly-conservation.org
This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact:
arkive@wildscreen.org.uk
More »Related species
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© Geoff Dore / naturepl.com
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