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mountain avens (Dryas octopetala)
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Nepticulidae
Egg underside, mine narrow filled with black frass following leaf margin towards petiole for about 10mm, then reversing direction;mine widening into a broad blotch with frass deposited in piles along centre. Larva yellow. Northern Scotland [7+9-10] Stigmella dryadella 56
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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