Plant Parasites of Europe

leafminers, galls and fungi

genus Oxalis

organ parasitic mode stage note taxonomic group parasite
root borer Curculionidae Leiosoma oblongulum
leaf vagrant adult Curculionidae Exomias pellucidus
leaf vagrant Thripidae Sericothrips staphylinus
root film Ceratocystidaceae Berkeleyomyces basicola
leaf leaf spot Mycosphaerellaceae Cercosporella oxalidis
leaf leaf spot Phyllostictaceae Phyllosticta oxalidicola
leaf leaf spot Cucurbitariaceae Pyrenochaeta oxalidis
leaf leaf spot Mycosphaerellaceae Septoria oxalidis
leaf leaf spot Ascomycota incertae sedis Gyoerffyella oxalidis
leaf leaf spot Sclerotiniaceae Valdensia heterodoxa
leaf leaf spot Diaporthaceae Phomopsis oxalina
leaf leaf spot Phyllostictaceae Phyllosticta oxalidis
leaf leaf spot Massarinaceae Stagonospora hygrophila
leaf leaf spot Glomerellaceae Colletotrichum dematium
leaf vagrant Noctuidae Xestia mejiasi
leaf vagrant Geometridae Idaea minuscularia
leaf vagrant Sphingidae Hippotion celerio
scale Diaspididae Chrysomphalus aonidum
leaf vagrant Noctuidae Ochropleura leucogaster
leaf vagrant Noctuidae Aporophyla lutulenta
leaf vagrant doubtful Noctuidae Caradrina kadenii
leaf vagrant Erebidae Coscinia striata
leaf vagrant Geometridae Dysstroma citrata
leaf vagrant Geometridae Dysstroma truncata
leaf vagrant Tetranychidae Aplonobia histricina
leaf vagrant Tetranychidae Petrobia harti
unknown unknown Curculionidae Rutidosoma monticola
unknown unknown larva Curculionidae Rutidosoma fallax
leaf scale Aleyrodidae Trialeurodes vaporariorum
leaf scale Aleyrodidae Bemisia tabaci
leaf scale Aleyrodidae Aleyrodes lonicerae
stem vagrant Aphididae Aphis craccivora
leaf vagrant summer generation Aphididae Aphis fabae solanella
leaf vagrant summer generation Aphididae Aphis fabae fabae
fruit gall Urocystidales Thecaphora oxalidis
leaf down Erysiphales Erysiphe russellii
leaf down Erysiphales Golovinomyces orontii
leaf down Erysiphales Leveillula oxalidicola
leaf gall Eriophyidae Aceria oxalidis
leaf gall Urocystidales Melanoxa oxalidiella
leaf miner Agromyzidae Liriomyza bryoniae
leaf miner Anthomyiidae Pegomya seitenstettensis
leaf pustule Chytridiales Synchytrium aureum
leaf pustule aecia Pucciniales Puccinia purpurea
leaf pustule aecia Pucciniales Puccinia sorghi
leaf pustule uredinia telia Pucciniales Puccinia oxalidis
leaf vagrant summer generation Aphididae Rhopalosiphoninus staphyleae
leaf vagrant summer generation Aphididae Aphis fabae
root gall Meloidogynidae Meloidogyne hapla
leaf vagrant Aphididae Macrosiphum euphorbiae
leaf vagrant Aphididae Aphis spiraecola
leaf vagrant Aphididae Aulacorthum solani
leaf vagrant Aphididae Aphis gossypii

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 30.xi.2023