1a mine a pinnately branching gallery, main and side branches on top op midrib and side veins:: Liriomyza strigata

1b gallery not pinnately branched => 2

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

2a pupation within the mine, in a, generally lower-surface, pupal chamber: Chromatomyia cf syngenesiae

2b pupation outside the mine: Liriomyza pusilla