Plant Parasites of Europe

leafminers, galls and fungi

Cardaria draba

hoary cress

synonym: Lepidium draba

organparasitic modestagenotetaxonomic groupparasite
leafhiddenPlutellidaeEidophasia messingiella
flowerhiddenThripidaeFrankliniella intonsa
fruitborerlarvaCurculionidaeCeutorhynchus typhae
fruitborerCurculionidaeCeutorhynchus turbatus
leafvagrantAphididaeLipaphis lepidii
leafvagrantsummer generationAphididaeAphis nasturtii
leafminerAgromyzidaeChromatomyia horticola
leafvagrantAphididaeAulacorthum solani
leafgallAphididaeBrevicoryne brassicae
leafvagrantsummer generationAphididaeMyzus persicae
systemicborerAnguinidaeDitylenchus dipsaci
flowergallCecidomyiidaeContarinia lepidii
flowergallCecidomyiidaeContarinia nasturtii
flowergallEriophyidaeAceria drabae
leafborerAgromyzidaeOphiomyia beckeri
leafdownErysiphalesErysiphe cruciferarum
leafdownPeronosporalesHyaloperonospora parasitica
leafdownPeronosporalesPerofascia lepidii
leafgallCurculionidaeCeutorhynchus chalibaeus
leafminerAgromyzidaeLiriomyza brassicae
leafminerAgromyzidaeLiriomyza bryoniae
leafminerCurculionidaeCeutorhynchus minutus
leafminerDrosophilidaeScaptomyza flava
leafpustuleAlbuginales AlbiginaceaeAlbugo lepidii
leafpustuleaeciaPuccinialesPuccinia isiacae
leafvagrantAphididaeLipaphis erysimi
root collargallCurculionidaeCeutorhynchus assimilis
root collargallPlasmodiophoralesPlasmodiophora brassicae
stemvagrantAphididaeAphis craccivora
leafvagrantAphididaeMacrosiphum euphorbiae

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 19.ii.2020