Drymochloa
Dichotomous table for leafminers
1a gallery mine in the leaf; larva a maggot: Cerodontha incisa, pygmaea, pygmella; Chromatomyia nigra
1b gallery in the leaf; larva a caterpillar: Elachista adscitella, apicipinctella
1c galls, etc => Tables for all parasites per species