Plant Parasites of Europe

leafminers, galls and fungi

Euphorbia esula subsp. tommasiniana

Walstein’s spurge

synonym: Euphorbia tommasiniana, uralensis, virgata, virgultosa, waldsteinii

organparasitic modestagenotetaxonomic groupparasite
fruitborerEurytomidaeBruchophagus bajariae
unknownunknownEurytomidaeEurytoma fumipennis
rootvagrantChrysomelidaeAphthona cyparissiae
rootvagrantChrysomelidaeAphthona atrocaerulea
rootvagrantChrysomelidaeAphthona venustula
rootvagrantChrysomelidaeAphthona ovata
leaf budhiddenThripidaeAnaphothrips euphorbiae
flowervagrantAphididaeAphis esulae
rootborerdoubtfulSesiidaeChamaesphecia tenthrediniformis
rootborerSesiidaeChamaesphecia crassicornis
stemborerCurculionidaeThamnurgus euphorbiae
fruitgallCecidomyiidaeDasineura capsulae
flowergallCecidomyiidaeEuphorbomyia loewii
leaf budgallCecidomyiidaeSpurgia euphorbiae
leafdownErysiphalesPodosphaera euphorbiae
leafdownPeronosporalesPeronospora euphorbiae
leafpustuleaeciaPuccinialesAecidium euphorbiae
leafpustuleaeciaPuccinialesUromyces caraganicola
leafpustuleaeciaPuccinialesUromyces fischeri-eduardi
leafpustuleaeciaPuccinialesUromyces pisi
leafpustuleaeciaPuccinialesUromyces punctatus
leafpustuleaeciaPuccinialesUromyces striatus
leafpustuleaecia uredinia teliaPuccinialesMelampsora euphorbiae
leafpustuleaecia uredinia teliaPuccinialesMelampsora euphorbiae-dulcis
leafpustuleteliaPuccinialesUromyces scutellatus
stemborerAnthomyiidaePegomya curticornis
root collargallAnthomyiidaePegomya euphorbiae
leafvagrantAphididaeAcyrthosiphon cyparissiae


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 26.iii.2021