Plant Parasites of Europe

leafminers, galls and fungi

genus Parietaria

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot Didymellaceae Ascochyta parietariae
leaf leaf spot Mycosphaerellaceae Septoria urticae var. parietariae
leaf leaf spot Capnodiales Ramularia parietariae
leaf vagrant Lygaeidae Hyalochilus dolosus
root vagrant Cydnidae Tritomegas sexmaculatus
leaf vagrant Miridae Liocoris tripustulatus
leaf vagrant Miridae Orthonotus longiceps
leaf vagrant Calocoris histrio
leaf vagrant Miridae Closterotomus norwegicus
predator Miridae Macrolophus melanotoma
flower vagrant Miridae Closterotomus trivialis
predator Miridae Macrolophus pygmaeus
leaf vagrant Lygaeidae Hyalochilus ovatulus
leaf vagrant Miridae Orthonotus creticus
leaf vagrant Cicadellidae Hauptidia maroccana
leaf pustule Pucciniales Uromyces tenuicutis
stem scale Pseudococcidae Planococcus citri
stem scale Pseudococcidae Phenacoccus solenopsis
stem scale Margarodidae Icerya purchasi
leaf vagrant Noctuidae Peridroma saucia
leaf vagrant Erebidae Hypena obsitalis
leaf vagrant Erebidae Hypena lividalis
leaf vagrant Erebidae Hypena palpalis
leaf vagrant Erebidae Hypena obesalis
leaf vagrant Noctuidae Abrostola canariensis
leaf vagrant doubtful Nymphalidae Vanessa vulcania
leaf vagrant Erebidae Dysgonia algira
leaf vagrant Nymphalidae Vanessa atalanta
leaf vagrant Nymphalidae Aglais io
leaf vagrant Nymphalidae Polygonia egea
leaf vagrant Cicadellidae Eupteryx urticae
leaf vagrant Cicadellidae Hauptidia provincialis
leaf vagrant Tetranychidae Bryobia vasiljevi
leaf vagrant Phlaeothripidae Apterygothrips neolongiceps
leaf hidden Pyralidae Pleuroptya ruralis
unknown borer larva Apionidae Taeniapion delicatulum
leaf scale Aleyrodidae Trialeurodes vaporariorum
leaf scale Aleyrodidae Aleyrodes elevatus
leaf gall Aphididae Aphis urticata
stem vagrant Aphididae Aphis craccivora
leaf vagrant summer generation Aphididae Aphis fabae fabae
leaf vagrant summer generation Aphididae Aphis fabae
leaf down Erysiphales Oidiopsis parietariae
leaf down Erysiphales Podosphaera parietariae
leaf leaf spot Entylomatales Entyloma parietariae
leaf gall Aphididae Aphis parietariae
leaf miner Agromyzidae Agromyza anthracina
leaf miner doubtful Agromyzidae Agromyza pseudoreptans
leaf miner rarely Agromyzidae Agromyza reptans
leaf miner Cosmopterigidae Cosmopterix pulchrimella
leaf miner Cosmopterigidae Cosmopterix turbidella
leaf vagrant Choreutidae Anthophila fabriciana


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 1.ix.2022