Comarum marsh cinquefoil, swamp cinquefoil

Comarum has recently (once again) been split off Potentilla; please try that key as well.

Dichotomous table for leafminers

1a blotch mine => 2

1b gallery nine, starting at a semi-globular shining egg shell: Stigmella poterii

1c fleck mine; larva in a transportable case: Coleophora albicostella

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

2a larva a maggot: Agromyza idaeiana

2b larva with differentiated head, and thoracic feet: Fenella nigrita

Tables for all parasites per species

mod 2.ii.2018