Calluna ling
Dichotomous table for gallers on Calluna
by Hans Roskam
Dichotomous table for leafminers
1a fleck mine; larvae mines from a case => 2
1b larva does not mine from a case: Xenolechia aethiops
1c galls, etc => Tables for all parasites per species
2a small lobe case: Coleophora juncicolella
2b black sheath case: Coleophora pyrrhulipennella