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Posts tagged ‘small blue’

Our smallest resident butterfly

Small Blue butterfly, Cupido minimus, male

Cupido minimus – male

The Small Blue Cupido minimus is the UK’s smallest resident butterfly. Females are chocolate brown whilst males, like the one pictured above photographed recently at Martin Down, have a silvery-blue dusting of scales near the base of the wings. The sole food plant is Kidney Vetch Anthyllis vulneraria and so it is reliant on the type of grassland habitat where this plant can flourish. It favours areas with broken ground.

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Small Blue – our smallest butterfly

Cupido minimus – Male

Cupido minimus – Male

When I saw my first Small Blue Cupido minimus I was surprised at just how tiny it is. The wingspan of our smallest butterfly can be as little as 16mm, so it’s well named. It’s rare though, being no more than locally common even in its strongholds of Gloucestershire, Wiltshire, Dorset and the Isle of Wight. Here in Wiltshire up on Morgan’s Hill I’ve only come across it in one sheltered spot and even there it’s largely confined to the base of one steep bank. Read more