Althaea marsh-mallow

incl. Dinacrusa.

Dichotomous table for leafminers

1a fleck mine; larva mines from a helicoidal case: Apterona helicoidella

1b blotch mine; oviposition site covered by a black shining drop of dried secretion: Trachys troglodytiformis

1c corridor mine => 2

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

2a pupation in the mine, in a, usually lower-surface, pupal chamber: Chromatomyia horticola

2b before pupation the mine is vacated through a semicircular exit slit: Liriomyza xanthocera

mod 20.iv.2019