organ | parasitic mode | stage | note | taxonomic group | parasite |
---|---|---|---|---|---|
fruit | borer | larva | Curculionidae | Ceutorhynchus typhae | |
unknown | unknown | doubtful | Curculionidae | Glocianus pilosellus | |
leaf | miner | Chrysomelidae | Phyllotreta nemorum | ||
unknown | unknown | Curculionidae | Ceutorhynchus varius | ||
root | vagrant | Chrysomelidae | Phyllotreta exclamationis | ||
flower | borer | Nitidulidae | Brassicogethes subaeneus | ||
root | vagrant | Chrysomelidae | Phyllotreta flexuosa | ||
leaf | vagrant | Tenthredinidae | Athalia liberta | ||
leaf | vagrant | Tenthredinidae | Tenthredo koehleri | ||
leaf | vagrant | Plutellidae | Rhigognostis annulatella | ||
unknown | borer | larva | Curculionidae | Ceutorhynchus franzi | |
fruit | borer | larva | Curculionidae | Ceutorhynchus cochleariae | |
leaf | down | Erysiphales | Golovinomyces bolayi | ||
stem | miner | Agromyzidae | Ophiomyia alliariae | ||
systemic | borer | Anguinidae | Ditylenchus dipsaci | ||
fruit | gall | Urocystidales | Thecaphora thlaspeos | ||
flower | gall | Aphididae | Lipaphis rossi | ||
flower | gall | Cecidomyiidae | Contarinia nasturtii | ||
flower | gall | Eriophyidae | Aceria drabae | ||
leaf | down | Erysiphales | Erysiphe cruciferarum | ||
leaf | down | Peronosporales | Hyaloperonospora arabidopsidis | ||
leaf | down | Peronosporales | Hyaloperonospora cardaminopsidis | ||
leaf | gall | doubtful | Albuginales Albiginaceae | Albugo laibachii | |
leaf | gall | Curculionidae | Ceutorhynchus chalibaeus | ||
leaf | miner | Agromyzidae | Liriomyza strigata | ||
leaf | miner | Curculionidae | Ceutorhynchus minutus | ||
leaf | miner | Drosophilidae | Scaptomyza flava | ||
leaf | miner | Plutellidae | Plutella xylostella | ||
leaf | pustule | Albuginales Albiginaceae | Albugo candida | ||
leaf | pustule | telia | Pucciniales | Puccinia holboelli | |
leaf | pustule | telia | Pucciniales | Puccinia thlaspeos | |
stem | gall | Curculionidae | Ceutorhynchus atomus | ||
stem | gall | main | Curculionidae | Ceutorhynchus griseus | |
stem | gall | Curculionidae | Ceutorhynchus hirtulus | ||
root collar | gall | Actinomycetales | Rhodococcus fascians | ||
root collar | gall | Curculionidae | Ceutorhynchus assimilis | ||
root collar | gall | Plasmodiophorales | Plasmodiophora brassicae | ||
leaf | vagrant | Aphididae | Lipaphis erysimi | ||
leaf | vagrant | Aphididae | Macrosiphum euphorbiae | ||
leaf | vagrant | Aphididae | Aulacorthum circumflexum | ||
leaf | vagrant | Aphididae | Aulacorthum solani | ||
leaf | vagrant | Aphididae | Myzus ascalonicus | ||
leaf | vagrant | summer generation | Aphididae | Myzus persicae |
Organ
the part of the plant that most conspicuously is hit by the parasiteall 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 signsdown: 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 6.iii.2021