Dichotomous table for leafminers
1a corridor pinnately branched, main and side branches on top of midrib and side veins; pupation outside the mine: Liriomyza strigata
1b corridor little, irregularly, branched; pupation within the mine, in a, generally lower-surface, pupal chamber: Chromatomyia cf syngenesiae
1c galls, etc => Tables for all parasites per species
Not included in the key: Liriomyza trifolii.