1a 1-2 cm lange gangachtige mijntjes, larven vaak al dood: Gracillaria syringella
1b vlekmijn: Coleophora serratella
1c gallen etc => 100
1a 1-2 cm corridor-like mines, larvae mostly dead already: Gracillaria syringella
1b fleck mine: Coleophora serratella
1c galls, etc => 100
10/02/2013