Dichotomous table for leafminers

1a branching corridor, main and secondary branches overlying midrib and side veins; frass in strings; pupation outside the mine: Liriomyza strigata

1b hardly branching corridor, without association with the leaf venation; frass in discrete grains; pupation within the mine: Chromtomyia cf. syngenesiae

Tables for all parasites per species

mod 18.iv.2019