Plant Parasites of Europe

leafminers, galls and fungi

genus Helianthus

organparasitic modestagenotetaxonomic groupparasite
leafvagrantdoubtfulAphididaeAphis asclepiadis
leafvagrantNoctuidaeAutographa gamma
leafvagrantNoctuidaeThysanoplusia orichalcea
leafvagrantNymphalidaeVanessa cardui
leafvagrantNoctuidaeHelicoverpa armigera
leafvagrantNoctuidaeSpodoptera exigua
flowervagrantGeometridaeEupithecia absinthiata
leafvagrantTingidaeGaleatus scrophicus
stemborerMordellidaeMordellistena parvuliformis
leafvagrantCicadellidaeEupteryx atropunctata
unknownunknownThripidaeMicrocephalothrips abdominalis
flowergallTephritidaeAcanthiophilus helianthi
flowerhiddenThripidaeThrips flavus
leafvagrantChrysomelidaeOphraella communa
leafhiddenCrambidaeLoxostege sticticalis
stemborerTephritidaeStrautzia longipennis
flowerhiddenThripidaeThrips flavus
flowerhiddenThripidaeFrankliniella intonsa
leafmineryounger larvaTortricidaeCnephasia stephensiana
leafhiddenolder larvaTortricidaeCnephasia stephensiana
leafhiddenTortricidaeCnephasia incertana
fruitborerPyralidaeHomoeosoma nebulella
leafscaleAleyrodidaeTrialeurodes vaporariorum
leafscaleAleyrodidaeBemisia tabaci
leafminerAgromyzidaeChromatomyia horticola
leafvagrantsummer generationAphididaeMyzus persicae
leafvagrantAphididaeAphis gossypii
leafvagrantsummer generationAphididaeAphis nasturtii
systemicborerAnguinidaeDitylenchus dipsaci
leafdownErysiphalesGolovinomyces ambrosiae
leafdownErysiphalesGolovinomyces orontii
leafdownErysiphalesLeveillula lappae
leafdownErysiphalesLeveillula picridis
leafdownErysiphalesPodosphaera xanthii
leafdownPeronosporalesPlasmopara halstedii
leafminerAgromyzidaeCalycomyza humeralis
leafminerAgromyzidaeChromatomyia syngenesiae
leafminerAgromyzidaeLiriomyza eupatorii
leafminerAgromyzidaeLiriomyza strigata
leafminerAgromyzidaeLiriomyza trifolii
leafpustuleAlbuginalesPustula helianthicola
leafpustuledoubtfulChytridialesSynchytrium solstitiale
leafpustuleaecia uredinia teliaPuccinialesPuccinia helianthi
leafvagrantsummer generationAphididaeAphis fabae
leafvagrantsummer generationAphididaeBrachycaudus helichrysi
stemborerAgromyzidaeNapomyza lateralis
rootgallHeteroderidaeHeterodera schachtii
rootgallLongidoridaeParalongidorus maximus
rootvagrantAphididaeTrama troglodytes
rootvagrantrarelyAphididaeTrama rara
leafvagrantAphididaeAulacorthum solani
leafvagrantsummer generationAphididaeBrachycaudus cardui


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 10.viii.2021