Dichotomous table for leafminers

1a pupation within the mine, in a, generally lower-surface, pupal chamber: Chromatomyia cf syngenesiae

1b pupation external => 2

1c galls, etc => Tables for all parasites per species

2a corridor pinnately branched: main and side branches on top of the midrib and side veins: Liriomyza strigata

2b corridor little, irregularly branched, not determined by the leaf venation: Liriomyza bryoniae

In greenhouses other, sometimes seriously damaging, miners may occur. They are outside the scope of this site. A non-committed attempt towards a key can be found under Chrysanthemum.

Tables for all parasites per species

mod 11.iii.2018