Plant Parasites of Europe

leafminers, galls and fungi

Isatis tinctoria


synonym: Isatis alpina, canescens

organparasitic modestagenotetaxonomic groupparasite
fruitvagrantPieridaeAnthocharis cardamines
fruitvagrantPieridaeEuchloe crameri
fruitvagrantPieridaeEuchloe ausonia
leafvagrantPieridaePieris brassicae
leafvagrantPieridaePieris rapae
leafvagrantPieridaePieris ergane
leafvagrantPieridaePieris napi
fruitvagrantPieridaeAnthocharis damone
fruitvagrantPieridaeAnthocharis gruneri
leafvagrantLycaenidaeCallophrys rubi
stemgallCurculionidaeCeutorhynchus rapae
stemborerlarvaCurculionidaeCeutorhynchus picitarsis
unknownborerlarvaCurculionidaeCeutorhynchus pulvinatus
leafminerChrysomelidaePhyllotreta nemorum
unknownunknownrarelyCurculionidaeCeutorhynchus subpilosus
unknownunknownCurculionidaeCeutorhynchus melitensis
unknownunknownCurculionidaeCeutorhynchus peyerimhoffi
flowerborerNitidulidaeClypeogethes lepidii
flowerborerNitidulidaeBrassicogethes anthracinus
rootvagrantChrysomelidaePsylliodes cuprea
stemborerChrysomelidaePsylliodes tricolor
unknownunknownChrysomelidaePsylliodes crambicola
rootvagrantChrysomelidaePhyllotreta nigripes
stemborerChrysomelidaePsylliodes napi
root collarborerChrysomelidaePsylliodes isatidis
rootborerCurculionidaeAulacobaris fallax
rootvagrantChrysomelidaePhyllotreta astrachanica
leafvagrantTenthredinidaeTenthredo flaveola
leafhiddenCrambidaeEvergestis limbata
leafhiddenCrambidaeEvergestis marocana
leafhiddenCrambidaeEvergestis isatidalis
rootborerlarvaCurculionidaeCeutorhynchus rusticus
stemgallCurculionidaeCeutorhynchus atomus
leafvagrantsummer generationAphididaeAphis fabae
systemicborerAnguinidaeDitylenchus dipsaci
flowergallCecidomyiidaeContarinia nasturtii
leafdownErysiphalesErysiphe cruciferarum
leafdownErysiphalesLeveillula taurica
leafdownPeronosporalesHyaloperonospora isatidis
leafgallAphididaeBrevicoryne brassicae
leafgallCurculionidaeCeutorhynchus chalibaeus
leafgallEriophyidaeMetaculus rapistri
leafminerAgromyzidaeLiriomyza strigata
leafminerAgromyzidaeLiriomyza xanthocera
leafminerCurculionidaeCeutorhynchus minutus
leafminerDrosophilidaeScaptomyza flava
leafminerPlutellidaePlutella xylostella
leafpustuleaeciaPuccinialesPuccinia isiacae
leafpustuleteliaPuccinialesPuccinia thlaspeos
stemborerCurculionidaeCeutorhynchus pallidactylus
stemgallCurculionidaeCeutorhynchus carinatus
root collargallCurculionidaeCeutorhynchus assimilis
root collargallPlasmodiophoralesPlasmodiophora brassicae
rootgallHeteroderidaeHeterodera avenae
rootgallHeteroderidaeHeterodera goettingiana
rootgallHeteroderidaeHeterodera schachtii
rootgallHeteroderidaeHeterodera trifolii


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 15.v.2021