Erica bog heather
Dichotomous table for leafminers
1a fleck mine; larva mined from a case => 2
1b the larva does not mine from a case: Xenolechia aethiops
1c galls, etc => Tables for all parasites per species
2a tiny lobe case: Coleophora juncicolella
2b black sheath case => 3
3a on Erica arborea, Mediterranean region: Coleophora pulchripennella
3b on other Erica species, more northerly in Europe: Coleophora pyrrhulipennella