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Small Copper Butterfly - Lycaena phlaeas

Phylum: Arthropoda - Class: Insecta - Order: Lepidoptera - Family: Lycaenidae

Small Copper butterfly

The Small Coppers first appear in March and can be seen right through the summer and autumn, often surviving until the frosts of November. They are commonly seen in open grasslands, gardens and riverbanks but also inhabit woodland clearings, railway embankments and many other kinds of dryish habitats.

Small Copper butterfly, underwing

Males and females are similarly coloured, with coppery black-spotted forewings, and much darker hindwings. The wingspan is typically 2.5cm.

Small Copper butterfly, on Sneezewort

Distribution

The Small Copper, of which there are many subtly different forms in different regions, is found throughout England, Wales and Ireland and occurs less frequently across most of Scotland except the far north. It is also absent from the Outer Hebrides, the Orkneys and the Shetlands. Elsewhere this lovely little butterfly is common and widespread across most of Europe, where its range extends down into North Africa; it is also seen in Asia and in North America.

Lifecycle

Small Copper photographed in Wales

Eggs are laid singly on the upperside of the leaves of the foodplant - mainly Common Sorrel (Rumex acetosa) and the smaller Sheep's Sorrel (Rumex acetosella), although other kinds of docks may also be used occasionally

Once the caterpillars emerge from the eggs they move to the underside and feed there. The distinctive green-and-pink larvae of the Small Copper leave conspicuous window-like transparent areas where they have eaten all but the tough upper epidermis of the leaf. This is one of the butterfly species that overwinters in its caterpillar state.

In the spring, pupation takes place among the grassland leaf litter, and some authorities say that the pupae are tended by ants.

Following the spring brood there are usually one or two further broods and, in the southern part of its distribution, sometimes a fourth brood as late as November.

Studying butterflies and moths...


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