Plant Parasites of Europe

leafminers, galls and fungi

Dryas octopetala

mountain avens

synonym: Dryas babingtoniana, punctata

organparasitic modestagenotetaxonomic groupparasite
unknownunknownTortricidaeArgyroploce noricana
leafvagrantdoubtfulNoctuidaeXestia atrata
leafvagrantNoctuidaeAnarta melanopa
leafvagrantGeometridaeElophos dilucidaria
leafvagrantdoubtfulZygaenidaeZygaena exulans
leafhiddenHesperiidaePyrgus andromedae
leafvagrantTenthredinidaePristiphora malaisei
leafvagrantCicadellidaeRosenus laciniatus
leafvagrantDouglasiidaeTinagma dryadis
leafvagrantGelechiidaeSophronia gelidella
leafvagrantTenthredinidaeEmpria alpina
leafhiddenTortricidaeAncylis comptana
unknownunknownGelechiidaeAristotelia heliacella
leafhiddenTortricidaeEpinotia mercuriana
leaf budhiddendoubtfulTortricidaeCnephasia conspersana
leaf budhiddendoubtfulTortricidaeCnephasia conspersana
leafhiddenTortricidaeAcleris aspersana
leafhiddenTortricidaeArgyrotaenia ljungiana
leafhiddenTortricidaeAphelia viburniana
leafvagrantEriophyidaePhyllocoptes lakusici
leafvagrantEriophyidaeEriophyes dryadis
unknownborerlarvaCurculionidaeAnthonomus brunnipennis
leafdownErysiphalesPodosphaera volkartii
leafleaf spotPhyllachoralesIsothea rhytismoides
leafminerColeophoridaeColeophora derasofasciella
leafminerColeophoridaeColeophora nubivagella
leafminerColeophoridaeColeophora unigenella
leafminerGracillariidaeParornix alpicola
leafminerNepticulidaeStigmella dryadella
leafpustuleChytridialesSynchytrium cupulatum
leafvagrantAphididaeAcyrthosiphon svalbardicum
rootgallActinomycetalesFrankia dryadis
unknownunknowndoubtfulNepticulidaeStigmella tatrica
leafvagrantAphididaeAcyrthosiphon brevicorne


the part of the plant that most conspicuously is hit by the parasite

all buds: both flower buds and leaf buds
flower: also inflorescence
leaf: also needle, phyllodium, petiole
leaf bud: also unfolding young leaf
fruit: also seed
root: also root stock, runners
root collar: also the lowest part of the stem
stem: also culm, the lower part of the peduncle, in grasses also leaf sheath
systemic: the entire above-ground plant.


borer: larva living internally, almost no outwards signs
down: 0.5-2 mm high fungal down
film: very thin cover of fungal tussue
gall: swelling and/or malformation
grazer: feeding at the outside of the plant
leaf spot discoloured, often ± necrotic, generally not galled, sign of a fungus infection
miner-borer: larve initially makes a mine, lives as a borer later
pustule: plug of fungal tissue, generally brown-black and < 2 mm
stripe: longitudinal line of fungal tissue in a grass leaf
vagrant: (aphids, mites) living freely on the plant, at higher densitiy causing malformations.


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The host plant spectre of a parasite is rarely known exhaustively; this applies in particular at the species level. It is advisable therefore to check at least also the list of all parasites of this genus.


Last modified 5.xi.2021