Plant Parasites of Europe

leafminers, galls and fungi

Petasites albus

white butterbur

organparasitic modestagenotetaxonomic groupparasite
leafleaf spotCapnodialesRamularia major
leafvagrantadultCurculionidaeOtiorhynchus kollari
leafvagrantadultCurculionidaeOtiorhynchus coecus
leafvagrantadultCurculionidaeOtiorhynchus tenebricosus
leafvagrantadultCurculionidaeOtiorhynchus krattereri
leafvagrantadultCurculionidaeOtiorhynchus obsidianus
rootborerCurculionidaeLiparus glabrirostris
stemborerNoctuidaeHydraecia micacea
leafvagrantErebidaeTyria jacobaeae
flowerborerspring generationNoctuidaeHydraecia petasitis
leafborersummer generationNoctuidaeHydraecia petasitis
rootborerteliaNoctuidaeHydraecia petasitis
leafvagrantNoctuidaeCaradrina gilva
rootvagrantChrysomelidaeLongitarsus suturellus
leafvagrantChrysomelidaeOreina speciosissima
leafpustuleaeciaPuccinialesAecidium petasitidis
leafvagrantTenthredinidaeAglaostigma discolor
leafvagrantTenthredinidaeAglaostigma lichtwardti
leafvagrantTenthredinidaeTenthredo mandibularis
stemboreryounger larvaDepressariidaeAgonopterix petasitis
leafhiddenolder larvaDepressariidaeAgonopterix petasitis
rootborerTortricidaeEpiblema grandaevana
leafhiddenTortricidaeAphelia paleana
root collarborerTortricidaeEpiblema turbidana
leafborerSyrphidaeCheilosia himantopus
leafvagrantsummer generationAphididaeCapitophorus elaeagni
leafdownErysiphalesPodosphaera xanthii
leafminerAgromyzidaePhytomyza buhriella
leafminerAgromyzidaePhytomyza farfarae
leafminerAgromyzidaePhytomyza tussilaginis
leafminerGelechiidaeScrobipalpopsis petasitis
leafminerGelechiidaeScrobipalpula tussilaginis
leafminerSciaridaePhytosciara halterata
leafminerSciaridaePhytosciara macrotricha
leafminerTephritidaeAcidia cognata
leafminerTephritidaeTrypeta zoe
leafpustuleaeciaPuccinialesPuccinia kummeri
leafpustuleaeciaPuccinialesPuccinia petasites-melicae
leafpustuleaeciaPuccinialesPuccinia petasites-pendulae
leafpustuleaeciaPuccinialesPuccinia petasites-poarum
leafpustuleaeciaPuccinialesPuccinia petasites-pulchellae
leafpustuleaeciaPuccinialesPuccinia taminensis
leafpustuleuredinia teliaPuccinialesColeosporium petasitis
root collarvagrantsummer generationAphididaeAnuraphis farfarae
leafvagrantsummer generationAphididaeCapitophorus similis
root collarvagrantrarelyAphididaeDysaphis lappae lappae
leafvagrantAphididaeUroleucon tussilaginis


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 23.vii.2022