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Another Monday, another leaf-mining moth. This one goes by the tongue-twisting name of Acrocercops brongniardella and can be found on the leaves of Oak trees, mostly in southern parts of England, Wales and Ireland. The adult moth is a very smart-looking creature (see the photos on the UK Moths website).

210920 acrocercops brongniardella (1)

Fortunately, the larval leafmines are fairly easy to identify as they begin with a distinctive twist before broadening to a large blotch or blister.

210920 acrocercops brongniardella (2)

I found my very first Acrocercops brongniardella mines in a small area of woodland on 6 September and have since found more on a tree in a local park, both times on the evergreen Holm oak (Quercus ilex) and the latter rather abundant on leaves at the tips of lower branches. The mines can supposedly be found on all oak species, though I’ve failed to find them in the other local woodlands where I’ve recently been walking and there are not a lot of records for this species of Wales. I’ll be keeping an eye out for more.

210920 acrocercops brongniardella (3)