Daphne mezereon
(For a dichotomous table for galls on Daphne by Hans Roskam click here)
Dichotomous table for leafminers
1a mine small, very irregular in shape; the larva makes several mines; the first begins at an egg shell, the next ones at a small round hole (rarely on this host plant): Prays fraxinella
1b mine neither small nor strikingly irregular; mine does not begin at a visible egg or a hole => 2
1c galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a mine small, very irregular in shape; the larva makes several mines; the first begins at an egg shell, the next ones at a small round hole (rarely on this host plant): Prays fraxinella
1b mine neither small nor strikingly irregular; mine does not begin at a visible egg or a hole => 2
1c galls, etc => Tables for all parasites per species
2a larva a maggot; vacated mines have an exit slit in the upper epidermis: Liriomyza approximata
2b larva with head and feet; vacated mines have a slit in the leaf margin => 3
3a on Daphne alpina, cneorum, striata: Phyllobrostis hartmanni
3b on Daphne gnidium => 4
4a final mine a corridor; frass black: Phyllobrostis daphneella
4b final mine a large blotch; frass brown: Phyllobrostis fregenella