Plant Parasites of Europe

leafminers, galls and fungi

Cirsium arvense

creeping thistle, Canada thistle

synonym: Cirsium incanum, ruthenicum

organparasitic modestagenotetaxonomic groupparasite
leafvagrantChrysomelidaeLema cyanella
leafvagrantadultChrysomelidaeNeocrepidodera transversa
leafvagrantadultChrysomelidaeNeocrepidodera impressa
leafvagrantChrysomelidaeGaleruca laticollis
predatorHelicobasidialesTuberculina maxima
rootborerTortricidaeEpiblema cirsiana
leafhiddenCrambidaeSitochroa verticalis
flowerhiddenThripidaeFrankliniella intonsa
flowergalllarvaCurculionidaeLarinus planus
fruitborerPyralidaeHomoeosoma nebulella
stemborerdoubtfulSyrphidaeCheilosia cynocephala
unknownborerSyrphidaeCheilosia flavipes
rootborerSyrphidaeCheilosia vulpina
stemborerlarvaApionidaeCeratapion scalptum
stemborerlarvaCurculionidaeHadroplontus litura
flowergallCurculionidaeRhinocyllus conicus
stemborerlarvaCurculionidaeLixus filiformis
stemborerlarvaCurculionidaeLixus scolopax
stemborerlarvaCurculionidaeLixus pulverulentus
flowerborerlarvaCurculionidaeLarinus turbinatus
flowerborerlarvaCurculionidaeLarinus iaceae
flowerborerlarvaCurculionidaeLarinus sturnus
stemborerlarvaApionidaeCeratapion carduorum
root collarborerlarvaApionidaeCeratapion gibbirostre
rootvagrantAphididaeProtrama flavescens
rootvagrantdoubtfulAphididaeProtaphis anthemidis
leafvagrantAphididaeAphis spiraecola
leafminerAgromyzidaeChromatomyia horticola
leafscaleCoccidaeCoccus hesperidum
leafdownPeronosporalesBremia lactucae
leafgallCecidomyiidaeClinodiplosis cirsii
stemborerAgromyzidaeMelanagromyza aeneoventris
leafvagrantdoubtfulAphididaeAphis acanthoidis
leafvagrantAphididaeAphis gossypii
leafvagrantsummer generationAphididaeAphis fabae fabae
systemicborerAnguinidaeDitylenchus dipsaci
fruitgallrarelyTephritidaeTerellia tussilaginis
flowerborerCecidomyiidaeMacrolabis cirsii
flowerborerTephritidaeChaetostomella cylindrica
flowerborerTephritidaeEnsina sonchi
flowerborerTephritidaeTephritis acanthiophilopsis
flowerborerTephritidaeTephritis cometa
flowerborerTephritidaeTerellia ruficauda
flowerborerTephritidaeTerellia serratulae
flowergallCecidomyiidaeJaapiella cirsiicola
flowergallCynipidaeIsocolus cirsii
flowergallTephritidaeUrophora stylata
leafborerTephritidaeXyphosia miliaria
leafdownErysiphalesErysiphe mayorii var. mayorii
leafdownErysiphalesGolovinomyces montagnei
leafdownErysiphalesLeveillula lappae
leafdownErysiphalesPodosphaera xanthii
leafdownPeronosporalesBremia cirsii
leafgallAphididaeUroleucon cirsii
leafgallAphididaeCapitophorus horni
leafgallCecidomyiidaeClinodiplosis oleracei
leafgallEriophyidaeAceria anthocoptes
leafgalldoubtfulPsyllidaeCraspedolepta nervosa
leafgallTriozidaeTrioza agrophila
leafminerAgromyzidaeChromatomyia syngenesiae
leafminerAgromyzidaeLiriomyza bryoniae
leafminerAgromyzidaeLiriomyza soror
leafminerAgromyzidaeLiriomyza strigata
leafminerAgromyzidaeLiriomyza trifolii
leafminerAgromyzidaePhytomyza autumnalis
leafminerAgromyzidaePhytomyza cirsii
leafminermainAgromyzidaePhytomyza spinaciae
leafminerAnthomyiidaePegomya steini
leafminerChrysomelidaeApteropeda orbiculata
leafminerChrysomelidaeSphaeroderma testaceum
leafminerColeophoridaeColeophora follicularis
leafminerColeophoridaeColeophora paripennella
leafminerColeophoridaeColeophora peribenanderi
leafminerDepressariidaeAgonopterix arenella
leafminerDepressariidaeAgonopterix carduella
leafminerDepressariidaeAgonopterix propinquella
leafminerDepressariidaeAgonopterix subpropinquella
leafminerGelechiidaeScrobipalpa acuminatella
leafminerSciaridaePhytosciara halterata
leafminerSciaridaePhytosciara macrotricha
leafpustuleAlbuginalesPustula spinulosa
leafpustuleaeciaPuccinialesPuccinia dioicae
leafpustuleaecia uredinia teliaPuccinialesPuccinia punctiformis
leafpustuleuredinia teliadoubtfulPuccinialesPuccinia laschii
leafvagrantsummer generationAphididaeAphis fabae
leafvagrantsummer generationAphididaeAphis fabae cirsiiacanthoidis
leafvagrantEriophyidaeEpitrimerus cardui
leafvagrantTriozidaeTrioza cirsii
leafvagrantTriozidaeBactericera nigricornis
stemborerAgromyzidaeNapomyza lateralis
stemgallTephritidaeUrophora cardui
root collargallCurculionidaeCleonis pigra
rootvagrantAphididaeTrama troglodytes
leafvagrantsummer generationmainAphididaeAphis fabae cirsiiacanthoidis
leafvagrantsummer generationAphididaeBrachycaudus cardui
leafvagrantsummer generationAphididaeAphis fabae solanella
leafvagrantsummer generationAphididaeMyzus persicae
root collarvagrantrarelyAphididaeAphis janischi
root collarvagrantAphididaeDysaphis lappae cirsii
leafvagrantAphididaeCapitophorus carduinus
leafvagrantsummer generationAphididaeCapitophorus elaeagni
leafvagrantAphididaeAulacorthum solani
leafvagrantAphididaeCapitophorus gynoxanthus
stemvagrantAphididaeUroleucon aeneum

Organ

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.

PARASITIC MODE

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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IMPORTANT

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 5.vii.2020