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Tag Archives: weevil leafmines

Leafmines: Orchestes signifer

13 Monday Jun 2022

Posted by sconzani in insects, leaves, trees

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British weevils, leafmines on Oak, Orchestes signifer, weevil, weevil leafmines

From my previous posts, including the recent A weirdness of weevils, I’m sure it’s obvious that I’m a huge fan of weevils, but I’d never given a thought to their life cycle until I found these leafmines. The mines are the work of the larvae of the weevil Orchestes signifer. The gallery mines follow the edges of Oak leaves before terminating in a small blotch. At that point, the larvae make themselves a case by cutting out the circular blotch, and, snugly encased, they drop to the ground to pupate. You can find a photo of the black-and-white adult weevil on the British Leafminers website.

220613 Orchestes signifer

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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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