Lens lentil
Incl. Ervum.
(For a dichotomous table for galls on Lens by Hans Roskam click here)
Dichotomous table for leafminers
1a mine small, irregular, full depth; larva, with chitinised head, later lives free among spun leaves: Cnephasia incertana
1b upper- or lower-surface corridor or blotch; larva, a maggot, mines all its life => 2
1c galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a mine small, irregular, full depth; larva, with chitinised head, later lives free among spun leaves: Cnephasia incertana
1b upper- or lower-surface corridor or blotch; larva, a maggot, mines all its life => 2
1c galls, etc => Tables for all parasites per species
2a elongate blotch on top of the midrib, with side branches: Liriomyza xanthocera
2b corridor => 3
3a pupation within the mine, in a, usually loower-surface, pupal chamber; frass in well-spaced grains: Chromatomyia horticola
3b pupation outside the mine; frass otherwise => 4
4a frass in broad green central band: Liriomyza congesta
4b frass in irregular strings at either side of the corridor: Lriomyza bryoniae