garlic mustard, jack-in-the-bush

synonym: Alliaria officinalis; Sisymbrium alliaria<

organ parasitic mode stage note taxonomic group parasite
leaf vagrant adult Curculionidae Ceutorhynchus thomsoni
fruit borer larva Curculionidae Ceutorhynchus constrictus
stem borer larva Curculionidae Ceutorhynchus roberti
stem borer larva Curculionidae Ceutorhynchus alliariae
root borer larva Curculionidae Ceutorhynchus scrobicollis
stem borer larva Curculionidae Lixus ochraceus
stem gall Curculionidae Ceutorhynchus atomus
leaf vagrant Aphididae Lipaphis pseudobrassicae
stem miner Agromyzidae Ophiomyia alliariae
leaf down Erysiphales Erysiphe cruciferarum
leaf down Peronosporales Hyaloperonospora niessliana
leaf gall Curculionidae Ceutorhynchus chalibaeus
leaf miner Agromyzidae Liriomyza bryoniae
leaf miner Agromyzidae Liriomyza xanthocera
leaf miner Agromyzidae Phytomyza rufipes
leaf miner Curculionidae Ceutorhynchus minutus
leaf miner Drosophilidae Scaptomyza flava
leaf miner Plutellidae Plutella xylostella
leaf pustule Albuginales Albiginaceae Albugo candida
leaf pustule aecia Pucciniales Puccinia isiacae
leaf vagrant Aphididae Lipaphis alliariae
stem borer Curculionidae Ceutorhynchus pallidactylus
stem borer Curculionidae Ceutorhynchus sulcicollis
root collar gall Curculionidae Ceutorhynchus assimilis
root collar gall Plasmodiophorales Plasmodiophora brassicae
leaf vagrant doubtful Aphididae Lipaphis erysimi
leaf gall Aphididae Brevicoryne brassicae
leaf vagrant Aphididae Macrosiphum 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.

 

mod 20.vi.2019