Plant Parasites of Europe

leafminers, galls and fungi

Arctium minus

lesser burdock

synonym: Arctium pubens

organparasitic modestagenotetaxonomic groupparasite
leafvagrantChrysomelidaeCassida vibex
leafvagrantChrysomelidaeCassida rubiginosa
leafminerDepressariidaeAgonopterix arenella
rootborerTortricidaeEpiblema cirsiana
fruitvagrantTortricidaeAethes rubigana
leafgallAphrophoridaePhilaenus spumarius
flowerborerGelechiidaeMetzneria lappella
rootborerSyrphidaeCheilosia vulpina
flowerborerlarvaCurculionidaeLarinus sturnus
flowervagrantdoubtfulAphididaeUroleucon cirsicola
flowerborerTephritidaeTephritis zernyi
leafminerAgromyzidaeChromatomyia syngenesiae
stemborerAgromyzidaeMelanagromyza lappae
leafvagrantsummer generationAphididaeAphis fabae solanella
leafvagrantsummer generationAphididaeAphis fabae fabae
fruitgallTephritidaeTerellia tussilaginis
flowergallTephritidaeTephritis bardanae
leafdownErysiphalesGolovinomyces depressus
leafdownErysiphalesLeveillula lappae
leafdownPeronosporalesBremia lactucae
leafleaf spotCapnodialesRamularia abscondita
leafminerAgromyzidaeLiriomyza strigata
leafminerAgromyzidaePhytomyza continua
leafminerAgromyzidaePhytomyza lappae
leafminerAnthomyiidaePegomya laticornis
leafminerChoreutidaeTebenna micalis
leafminerSciaridaePhytosciara halterata
leafminerSciaridaePhytosciara macrotricha
leafpustuleChytridialesSynchytrium aureum
leafpustuleuredinia teliaPuccinialesPuccinia bardanae
leafvagrantsummer generationAphididaeAphis fabae
root collargallCurculionidaeCleonis pigra
leafvagrantsummer generationAphididaeBrachycaudus cardui
leafvagrantsummer generationAphididaeAphis fabae mordvilkoi
root collarvagrantAphididaeDysaphis lappae lappae


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 11.vii.2020