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This week’s leafminers are little artists, beginning their feeding going round and round in half a dozen spirals before heading off along the leaf in a long meandering gallery mine. These miniature artworks have been created by the larvae of the tiny fly Liriomyza eupatorii and, though I found these on Hemp agrimony (Eupatorium cannabinum), the British Leafminers website lists several other possible host plants, including Goldenrod and Common hemp-nettle. With two broods each year, during spring and summer, there’s still plenty of time to spot these little miners in action.

220704 Liriomyza eupatorii