Heliotropium heliotrope, turnsole
Dichotomous table for leafminers
1a full depth blotch: Dentifovea fulvifascialis
1b upper- or lower-surface corridor => 2
1c galls, etc => Tables for all parasites per species
2a corridor independent of the leaf venation; frass in loose granules; pupation within the mine: Chromatomyia horticola
2b corrirdor on top of midrib and main lateral veins; frass in strings; pupation outside the mine: Liriomyza strigata