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Here’s another leaf mine to look for in your local hedgerows, a very distinctive mine on Hawthorn (Crataegus sp.) made by the larvae of the micro moth Parornix anglicella, also known as the Hawthorn slender.

201109 parornix anglicella cones (1)

Although the newly hatched moth larva initially creates a corridor mine and then a blotch, it later makes itself a cone-shaped tent, using silk to adhere the bent-over edge to the main part of the leaf, and these cones are very easy to spot. Turn over the leaf to view the underside and you’ll find incredibly beautiful, almost sculptural structures, some resembling miniature latticework pyramids.

You can read more scientific detail about the leaf mine on the UK Fly Mines website here, and see what the adult moth looks like on the UK Moths website here.

201109 parornix anglicella cones (6)