Swertia
(For a dichotomous table for galls on Swertia by Hans Roskam click here)
Dichotomous table for leafminers
1a long, narrow, interparenchymatous gallery, ending in a blotch: Chromatomyia swertiae
1b galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a long, narrow, interparenchymatous gallery, ending in a blotch: Chromatomyia swertiae
1b galls, etc => Tables for all parasites per species