wild radish

synonym: Raphanistrum arvense; Raphanus sylvestris, raphanistrum subsp. segetum

organ parasitic mode stage note taxonomic group parasite
leaf vagrant Tenthredinidae Tenthredo flaveola
leaf vagrant Tenthredinidae Athalia ancilla
leaf vagrant Tenthredinidae Athalia rosae
leaf hidden Crambidae Evergestis isatidalis
leaf vagrant Triozidae Bactericera nigricornis
flower hidden Thripidae Frankliniella intonsa
leaf leaf spot Capnodiales Ramularia armoraciae
stem borer Curculionidae Ceutorhynchus sulcicollis
stem borer larva Curculionidae Lixus ochraceus
stem miner Agromyzidae Liriomyza pseudopygmina
stem miner Agromyzidae Ophiomyia alliariae
leaf vagrant summer generation Aphididae Aphis fabae fabae
root vagrant summer generation Aphididae Smynthurodes betae
systemic borer Anguinidae Ditylenchus dipsaci
fruit gall Cecidomyiidae Dasineura napi
flower gall Cecidomyiidae Contarinia nasturtii
flower gall main Cecidomyiidae Gephyraulus raphanistri
leaf down Erysiphales Erysiphe cruciferarum
leaf down Peronosporales Hyaloperonospora brassicae
leaf gall Curculionidae Ceutorhynchus leprieuri
leaf miner Agromyzidae Liriomyza brassicae
leaf miner Agromyzidae Liriomyza xanthocera
leaf miner Curculionidae Ceutorhynchus minutus
leaf miner Drosophilidae Scaptomyza flava
leaf miner Plutellidae Plutella xylostella
leaf pustule Albuginales Albiginaceae Albugo candida
leaf vagrant Aphididae Lipaphis erysimi
stem borer Curculionidae Ceutorhynchus napi
stem borer Curculionidae Ceutorhynchus pallidactylus
root collar gall Curculionidae Ceutorhynchus assimilis
root collar gall Plasmodiophorales Plasmodiophora brassicae
root gall Meloidogynidae Meloidogyne hapla
leaf gall Aphididae Brevicoryne brassicae


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.


mod 26.iii.2020