Gaudinia fragile oat

Dichotomous table for leafminers

1a mine starts at an egg shell on the plant; larva: mandible with 1 tooth: Hydrellia griseola

1b oviposition by way of an ovipositor, therefore no egg shell to be seen; mandible with 2 teeth => 2

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

2a pupaption within the mine; anterior spiraculum penetrates the epidermis: Chromatomyia nigra

2b pupation exterior: Liriomyza flaveola

Tables for all parasites per species

mod 9.x.2017