Plant Parasites of Europe

leafminers, galls and fungi

genus Pelargonium

organparasitic modestagenotetaxonomic groupparasite
leafvagrantdoubtfulLycaenidaeAricia agestis
stemscalePseudococcidaePhenacoccus madeirensis
stemscalePseudococcidaePuto barberi
leafvagrantErebidaeHyphantria cunea
stemgallAsterolecaniidaePlanchonia fimbriata
stemscaleCoccidaeParthenolecanium corni
scaleCoccidaePulvinaria psidii
scaleDiaspididaeChrysomphalus aonidum
stemscaleMargarodidaeIcerya purchasi
scalePseudococcidaePhenacocccus gossypii
stemscalePseudococcidaePlanococcus citri
stemscalePseudococcidaePseudococcus longispinus
rootscaleRhizoecidaeRhizoecus albidus
stemscalePseudococcidaePseudococcus viburni
leafvagrantNoctuidaeMamestra brassicae
leafvagrantErebidaeOphiusa tirhaca
leafvagrantNoctuidaeMniotype solieri
leafvagrantNoctuidaeAcronicta rumicis
leafvagrantNoctuidaeChrysodeixis chalcites
leafvagrantNoctuidaeHelicoverpa armigera
leafvagrantErebidaeSpilosoma lutea
leafvagrantErebidaeOrgyia antiqua
root collarhiddenCrambidaeDuponchelia fovealis
leafvagrantSphingidaeHippotion celerio
leafvagrantGeometridaeScopula guancharia
leafvagrantLycaenidaeCacyreus marshalli
leafhiddenTortricidaeChoristoneura simonyi
leafhiddenTortricidaeClepsis coriacanus
leafhiddenTortricidaeClepsis spectrana
leafmineryounger larvaTortricidaeCnephasia asseclana
leafhiddenolder larvaTortricidaeCnephasia asseclana
mainThripidaeThrips atratus
flowerhiddenThripidaeFrankliniella intonsa
flowerhiddenmainThripidaeThrips atratus
flowerborerPterophoridaeAmblyptilia acanthadactyla
leafscaleAleyrodidaeBemisia tabaci
leafscaleAleyrodidaeTrialeurodes vaporariorum
leafvagrantsummer generationAphididaeAphis fabae fabae
leafvagrantsummer generationAphididaeMyzus persicae
stemscaleDiaspididaePseudaulacaspis pentagona
leafvagrantAphididaeAphis gossypii
leafvagrantAphididaeMyzus ascalonicus
leafdownErysiphalesFibroidium pelargonii
leafpustuleurediniaPuccinialesPuccinia pelargonii-zonalis
root collargallActinomycetalesRhodococcus fascians
leafvagrantAphididaeAulacorthum solani
leafvagrantAphididaeAcyrthosiphon malvae malvae
leafvagrantAphididaeAulacorthum circumflexum


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.xii.2021