Plant Parasites of Europe

leafminers, galls and fungi

genus Oxalis

organparasitic modestagenotetaxonomic groupparasite
scaleDiaspididaeChrysomphalus aonidum
leafvagrantNoctuidaeOchropleura leucogaster
leafvagrantNoctuidaeAporophyla lutulenta
leafvagrantdoubtfulNoctuidaeCaradrina kadenii
leafvagrantErebidaeCoscinia striata
leafvagrantGeometridaeDysstroma citrata
leafvagrantGeometridaeDysstroma truncata
leafvagrantTetranychidaeAplonobia histricina
leafvagrantTetranychidaePetrobia harti
unknownunknownCurculionidaeRutidosoma monticola
unknownunknownlarvaCurculionidaeRutidosoma fallax
leafscaleAleyrodidaeTrialeurodes vaporariorum
leafscaleAleyrodidaeBemisia tabaci
leafscaleAleyrodidaeAleyrodes lonicerae
stemvagrantAphididaeAphis craccivora
leafvagrantsummer generationAphididaeAphis fabae solanella
leafvagrantsummer generationAphididaeAphis fabae fabae
fruitgallUrocystidalesThecaphora oxalidis
leafdownErysiphalesErysiphe russellii
leafdownErysiphalesGolovinomyces orontii
leafdownErysiphalesLeveillula oxalidicola
leafgallEriophyidaeAceria oxalidis
leafgallUrocystidalesMelanoxa oxalidiella
leafminerAgromyzidaeLiriomyza bryoniae
leafminerAnthomyiidaePegomya seitenstettensis
leafpustuleChytridialesSynchytrium aureum
leafpustuleaeciaPuccinialesPuccinia purpurea
leafpustuleaeciaPuccinialesPuccinia sorghi
leafpustuleuredinia teliaPuccinialesPuccinia oxalidis
leafvagrantsummer generationAphididaeRhopalosiphoninus staphyleae
leafvagrantsummer generationAphididaeAphis fabae
rootgallMeloidogynidaeMeloidogyne hapla
leafvagrantAphididaeMacrosiphum euphorbiae
leafvagrantAphididaeAphis spiraecola
leafvagrantAphididaeAulacorthum solani
leafvagrantAphididaeAphis gossypii


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 24.x.2021