1a fleck mine: Coleophora nubivagella & retrodentella

1b corridor or blotch => 2

1c gallen etc => Tabellen voor alle parasieten per soort

2a the larva, a maggot, mines all its life: Delia quadripila

2b the larva, with head and thoracic feet, mines only briefly, then continues feeding in the inflorescence, that is spun together: Caryocolum alsinella & vicinella