Plant Parasites of Europe

leafminers, galls and fungi

Persicaria lapathifolia

pale persicaria

synonym: Polygonum lapathifolium

organparasitic modestagenotetaxonomic groupparasite
leafpustuleuredinia teliaPuccinialesPuccinia bistortae
leafpustuleaecia uredinia teliaPuccinialesUromyces polygoni-avicularis
leafvagrantGeometridaeTimandra comae
rootborerChrysomelidaeChaetocnema concinna
rootborerChrysomelidaeChaetocnema tibialis
Chlamydomonadales“Chlorochytrium rubrum”
flowerhiddenThripidaeFrankliniella intonsa
leaf budvagrantEriophyidaeAceria sawatchense
leafvagrantlarvaCurculionidaePelenomus quadrituberculatus
leafvagrantlarvaCurculionidaePelenomus quadricorniger
unknownvagrantlarvaCurculionidaeNeophytobius granatus
stemborerlarvaCurculionidaeRhinoncus perpendicularis
rootborerlarvaCurculionidaeRhinoncus inconspectus
root collarborerlarvaCurculionidaeRhinoncus bruchoides
root collarborerlarvaCurculionidaeRhinoncus bosnicus
rootvagrantsummer generationAphididaeAphis sambuci
stemborerGelechiidaeMonochroa hornigi
leafvagrantsummer generationAphididaeCapitophorus hippophaes
leafvagrantsummer generationAphididaeAphis fabae
systemicborerAnguinidaeDitylenchus dipsaci
flowergallMicrobotryalesMicrobotryum reticulatum
flowergallUstilaginalesMelanopsichium pennsylvanicum
leafgallCecidomyiidaeWachtliella persicariae
leafgallPsyllidaeAphalara borealis
leafgallPsyllidaeAphalara freji
leafgallPsyllidaeAphalara maculipennis
leafminerGracillariidaeCalybites phasianipennella
leafpustuleuredinia teliaPuccinialesPuccinia polygoni-amphibii
stemdownErysiphalesErysiphe polygoni
leafvagrantAphididaeAulacorthum solani
stemgallrarelyColeophoridaeAugasma aeratella


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