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mountain avens (Dryas octopetala)
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Nepticulidae
Early mine narrow, often following a vein with broken linear frass, broadening later, frass becoming dispersed linear, clear margins throughout. Often several mines in a leaf. Scotland [9-11] Stigmella pretiosa 54a
Gracillariidae  
Mine starts on underside of leaf and develops into blotch often absorbing earlier workings; the larva then leaves the mine and changes leaf, the edges of which are spun together to form a pod (northern Scotland) [6-8] Parornix alpicola 306 or P. alpicola ssp. Leucostola 307

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