Plant Parasites of Europe

leafminers, galls and fungi

Erysimum cheiranthoides

treacle mustard

synonym: Erysimum parviflorum

organparasitic modestagenotetaxonomic groupparasite
fruitborerlarvaCurculionidaeCeutorhynchus rhenanus
root collarborerCurculionidaeCeutorhynchus puncticollis
stemborerlarvaCurculionidaeCeutorhynchus sophiae
unknownunknownCurculionidaeCeutorhynchus viridanus
stemgallCurculionidaeAulacobaris gudenusi
leafvagrantTenthredinidaeAthalia ancilla
leafvagrantTriozidaeBactericera nigricornis
unknownborerlarvaCurculionidaeCeutorhynchus chlorophanus
stemborerlarvaCurculionidaeCeutorhynchus picitarsis
root collarborerlarvaCurculionidaeLixus albomarginatus
root collarborerCurculionidaeMelanobaris laticollis
stemgallCecidomyiidaeJanetiella fortiana
leafvagrantAphididaeLipaphis pseudobrassicae
stemminerAgromyzidaeOphiomyia alliariae
flowergalldoubtfulAphididaeLipaphis turritella
flowergallCecidomyiidaeContarinia nasturtii
flowergallEriophyidaeAceria drabae
leafdownErysiphalesErysiphe cruciferarum
leafdownErysiphalesGolovinomyces orontii
leafdownPeronosporalesHyaloperonospora cheiranthi
leafdownPeronosporalesHyaloperonospora parasitica
leafminerAgromyzidaeLiriomyza bryoniae
leafminerCurculionidaeCeutorhynchus minutus
leafminerDrosophilidaeScaptomyza flava
leafpustuleAlbuginales AlbiginaceaeAlbugo candida
leafpustuleaeciaPuccinialesPuccinia isiacae
leafpustuleteliaPuccinialesPuccinia holboelli
leafpustuleteliaPuccinialesPuccinia thlaspeos
leafvagrantAphididaeLipaphis erysimi
stemgallCecidomyiidaeBayeriola erysimi
stemgallCurculionidaeCeutorhynchus rapae
root collargallCurculionidaeCeutorhynchus assimilis
root collargallCurculionidaeCeutorhynchus plumbeus
root collargallPlasmodiophoralesPlasmodiophora brassicae
rootgallMeloidogynidaeMeloidogyne hapla

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 16.ix.2020