Plant Parasites of Europe

leafminers, galls and fungi

genus Fallopia

organ parasitic mode stage note taxonomic group parasite
stem vagrant Flatidae Metcalfa pruinosa
stem scale Coccidae Ceroplastes rusci
leaf scale Aleyrodidae Bemisia tabaci
seeds vagrant Carabidae Amara consularis
leaf vagrant Tetranychidae Tetranychus turkestani
flower hidden Thripidae Dictyothrips betae
leaf vagrant Chrysomelidae Gastrophysa viridula
leaf leaf spot Pleosporaceae Macrosporium convolvuli
systemic down Sclerotiniaceae Botrytis cinerea
leaf leaf spot Cucurbitariaceae Pyrenochaeta convolvuli
leaf leaf spot Didymellaceae Ascochyta volubilis
leaf leaf spot Phyllostictaceae Phyllosticta polygonorum
leaf leaf spot Phyllostictaceae Phyllosticta polygonorum
leaf leaf spot Mycosphaerellaceae Passalora avicularis
leaf leaf spot Acrodontiella fallopiae
leaf vagrant adult doubtful Apionidae Protapion nigritarse
leaf vagrant adult Curculionidae Curculio glandium
fruit vagrant Lygaeidae Kleidocerys resedae
stem vagrant Aphididae Aphis craccivora
leaf vagrant Noctuidae Dypterygia scabriuscula
leaf vagrant Erebidae Orgyia antiqua
leaf vagrant Lycaenidae Celastrina argiolus
leaf vagrant Geometridae Timandra comae
leaf vagrant Chrysomelidae Gastrophysa polygoni
leaf vagrant Tenthredinidae Ametastegia equiseti
leaf vagrant larva Curculionidae Pelenomus quadrituberculatus
root gall doubtful Curculionidae Bothynoderes affinis
leaf vagrant summer generation Aphididae Aphis fabae fabae
leaf vagrant summer generation Aphididae Aphis nasturtii
leaf vagrant summer generation Aphididae Myzus persicae
fruit vagrant Coleophoridae Coleophora pratella
fruit vagrant Coleophoridae Coleophora therinella
leaf vagrant Aphididae Aphis gossypii
systemic borer Anguinidae Ditylenchus dipsaci
fruit gall Coleophoridae Coleophora cecidophorella
flower gall Microbotryales Microbotryum anomalum
leaf down Peronosporales Peronospora polygoni-convolvuli
leaf gall rarely Cecidomyiidae Wachtliella persicariae
leaf miner Agromyzidae Liriomyza trifolii
leaf miner Anthomyiidae Pegomya setaria
leaf miner Curculionidae Hypera rumicis
leaf miner Gelechiidae Monochroa sepicolella
leaf miner Gracillariidae Calybites phasianipennella
leaf pustule Chytridiales Synchytrium aureum
leaf pustule aecia doubtful Pucciniales Puccinia phragmitis
leaf pustule uredinia telia Pucciniales Puccinia polygoni
leaf vagrant summer generation Aphididae Aphis fabae solanella
leaf vagrant Psyllidae Aphalara itadori
stem down Erysiphales Erysiphe polygoni
root gall Meloidogynidae Meloidogyne hapla
leaf vagrant summer generation Aphididae Aphis fabae

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 7.ii.2024