Plant Parasites of Europe

leafminers, galls and fungi

Epilobium hirsutum

great willowherb

organparasitic modestagenotetaxonomic groupparasite
leafleaf spotMycosphaerellaceaeSeptoria epilobii
leafleaf spotDothideomycetesAsteromella ludwigii
leafleaf spotCapnodialesRamularia epilobiana
leafleaf spotDothidealesPhaeoramularia punctiformis
leafvagrantPentatomidaePeribalus strictus
leafvagrantMiridaeGlobiceps fulvicollis
leafvagrantMiridaeLiocoris tripustulatus
leafvagrantMiridaeTrigonotylus pulchellus
leafvagrantMiridaeHalticus apterus
leafvagrantMiridaeOrthotylus flavosparsus
leafvagrantMiridaePlagiognathus bipunctatus
MiridaeMacrolophus epilobii
leafvagrantMiridaePlagiognathus chrysanthemi
leafvagrantMiridaeDicyphus escalerae
leafvagrantMiridaeAdelphocoris lineolatus
predatorMiridaeDicyphus bolivari
predatorMiridaeDicyphus epilobii
predatorMiridaeDicyphus tamaninii
leafvagrantBerytidaeMetacanthus meridionalis
leafvagrantNoctuidaeAnarta trifolii
flowervagrantGeometridaeEupithecia subfuscata
leafvagrantGeometridaeSpargania luctuata
leafvagrantSphingidaeDeilephila elpenor
leafvagrantSphingidaeProserpinus proserpina
leafvagrantCicadellidaeHauptidia maroccana
leafvagrantdoubtfulCicadellidaeMacrosteles variatus
leafvagrantCicadellidaeMacrosteles sardus
leafvagrantChrysomelidaeAltica lythri
leafvagrantChrysomelidaeAltica palustris
leafvagrantChrysomelidaeAltica oleracea
leafvagrantChrysomelidaeAltica impressicollis
leafvagrantChrysomelidaeAltica jarmilae
leafvagrantTenthredinidaeTenthredo colon
leafminerdoubtfulMomphidaeMompha raschkiella
leafhiddenTortricidaeClepsis spectrana
leafhiddenTortricidaeCnephasia incertana
stemborerMomphidaeMompha jurassicella
leafleaf spotVenturialesVenturia maculiformis
leafvagrantAphididaeAphis oenotherae
leafvagrantmainAphididaeAphis praeterita
flowergallCecidomyiidaeDasineura epilobii
leafdownErysiphalesLeveillula taurica
leafdownErysiphalesPodosphaera epilobii
leafdownPeronosporalesPlasmopara epilobii
leafgallAphididaeAphis epilobiaria
leafgallEriophyidaePhyllocoptes epilobiorum
leafminermainMomphidaeMompha epilobiella
leafminerMomphidaeMompha lacteella
leafminerMomphidaeMompha langiella
leafminerMomphidaeMompha ochraceella
leafminerMomphidaeMompha propinquella
leafpustuleChytridialesSynchytrium aureum
leafpustuleaecia uredinia teliaPuccinialesPuccinia pulverulenta
leafpustuleuredinia teliaPuccinialesPucciniastrum epilobii
leafpustuleteliaPuccinialesPuccinia epilobii
stemgallCurculionidaeAuleutes epilobii
stemgallMomphidaeMompha bradleyi
stemgalldoubtfulMomphidaeMompha divisella
leafvagrantsummer generationAphididaeAphis grossulariae


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 18.ix.2022