1a larva yellow, rear spiraculum with 3 papillae; pupation outside the mine; frass in small granules: Liriomyza flaveola

1b larva whitish, rear spiraculum with ca. 10 papillae; pupation within the mine; frass in coarse, well-spaced grains: Chromatomyia nigra

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