Meconopsis welsh poppy
Dichotomous table for leafminers
1a little branched corridor without association with the leaf venation; pupation within the mine in a, usually lower-surface, pupal chamber: Chromatomyia horticola
1b pinnately branched corridor on top of the midrib and the thickest side veins; pupation outside the mine: Liriomyza strigata
1c galls, etc. => Tables for all parasites per species