Plant Parasites of Europe

leafminers, galls and fungi

Arctium minus

lesser burdock

synonym: Arctium pubens

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot Didymellaceae Ascochyta sonchi
leaf vagrant Nymphalidae Vanessa cardui
leaf vagrant Chrysomelidae Cassida vibex
leaf vagrant Chrysomelidae Cassida rubiginosa
leaf miner Depressariidae Agonopterix arenella
root borer Tortricidae Epiblema cirsiana
fruit vagrant Tortricidae Aethes rubigana
leaf gall Aphrophoridae Philaenus spumarius
flower borer Gelechiidae Metzneria lappella
root borer Syrphidae Cheilosia vulpina
flower borer larva Curculionidae Larinus sturnus
flower vagrant doubtful Aphididae Uroleucon cirsicola
flower borer Tephritidae Tephritis zernyi
leaf miner Agromyzidae Chromatomyia syngenesiae
stem borer Agromyzidae Melanagromyza lappae
leaf vagrant summer generation Aphididae Aphis fabae solanella
leaf vagrant summer generation Aphididae Aphis fabae fabae
fruit gall Tephritidae Terellia tussilaginis
flower gall Tephritidae Tephritis bardanae
leaf down Erysiphales Golovinomyces depressus
leaf down Erysiphales Leveillula lappae
leaf down Peronosporales Bremia lactucae
leaf leaf spot Capnodiales Ramularia abscondita
leaf miner Agromyzidae Liriomyza strigata
leaf miner Agromyzidae Phytomyza continua
leaf miner Agromyzidae Phytomyza lappae
leaf miner Anthomyiidae Pegomya laticornis
leaf miner Choreutidae Tebenna micalis
leaf miner Sciaridae Phytosciara halterata
leaf miner Sciaridae Phytosciara macrotricha
leaf pustule Chytridiales Synchytrium aureum
leaf pustule uredinia telia Pucciniales Puccinia bardanae
leaf vagrant summer generation Aphididae Aphis fabae
root collar gall Curculionidae Cleonis pigra
leaf vagrant summer generation Aphididae Brachycaudus cardui
leaf vagrant summer generation Aphididae Aphis fabae mordvilkoi
root collar vagrant Aphididae Dysaphis 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 2.viii.2022