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Tag Archives: Favonius quercus

200/366 Purple hairstreak

18 Saturday Jul 2020

Posted by sconzani in insects, nature, trees

≈ Comments Off on 200/366 Purple hairstreak

Tags

British butterflies, butterfly, butterfly in Oak trees, Cosmeston Lakes Country Park, Favonius quercus, Oak butterfly, oak tree, Purple hairstreak

The key to where to locate this gorgeous butterfly, the Purple hairstreak, is in its scientific name Favonius quercus – quercus is the genus of the Oak tree – and I suspect that there are many more colonies of Purple hairstreaks living in our old Oak trees than we currently know about, as these butterflies spend much of their time unseen, high in the leafy boughs, feasting on honey dew.

200718 purple hairstreak (2)

There is a colony at Lavernock, and I’ve seen these butterflies at a couple of locations along the road that leads to Lavernock Point, but they were the only local sites I knew about. So, you can perhaps imagine my delight when, during Thursday’s walk at Cosmeston Lakes Country Park, I came face to snout with a female Purple hairstreak, which had ventured down to head height, and was happily running her yellow proboscis over the honey-dew-covered leaves.

200718 purple hairstreak (1)

This was the closest I’d been to one of these lovely creatures and had previously seen neither the purple sheen on their open wings nor the yellow proboscis. I was in butterfly heaven!

200718 purple hairstreak (3)

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A tale of two Hairstreaks

23 Monday Jul 2018

Posted by sconzani in insects, nature, trees

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Tags

British butterflies, butterflies, butterflies in elm trees, butterflies in oak trees, Favonius quercus, Purple hairstreak, Satyrium w-album, White-letter hairstreak

First off, let me just say I have not started blogging about hairstyling: the Hairstreaks are a group of butterflies, so named because of the thin streak of white across their underwings, that usually live their whole lives in the upper canopies of various trees. This year, due to the extremely hot dry weather, their tree-top food sources have dried up, forcing them to come down to ground level for sustenance.

180723 white-letter hairstreak

I spotted this lovely little butterfly purely by chance. I was wandering along the Glamorgan Canal in Forest Farm Nature Reserve, north of Cardiff, taking photos of the Demoiselle damselflies, when something small and brown fluttered down to water level, settled briefly on a leaf, then was chased off by one of the Demoiselles (hence the poor images). The White-letter hairstreak (Satyrium w-album) can usually be found in the tops of Elm trees and suffered a severe decline in numbers due to Dutch Elm disease killing off so many Elm trees in the 1970s but it seems slowly to be recovering. Its name comes from the shape of the letter W on its lower underwing.

180723 purple hairstreak

I can’t take the credit for spotting this Purple hairstreak (Favonius quercus) – my friend Jill noticed it sitting on the woodland trail as we explored Abbot’s Wood in East Sussex last week. (This was my third new butterfly of the week!) Purple hairstreaks usually live in the tops of Oak trees, mostly in southern areas of Britain. Unfortunately, I only managed a couple of quick photos and didn’t get to see its purple-coloured upper wings.

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About me

sconzani

sconzani

I'm a writer and photographer; researcher and blogger; birder and nature lover; countryside rambler and city strider; volunteer and biodiversity recorder.

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