Plant Parasites of Europe

leafminers, galls and fungi

Berteroa incana

hoary alison

synonym: Alyssum incanum

organ parasitic mode stage note taxonomic group parasite
root borer doubtful Curculionidae Prisistus suturalba
stem borer Curculionidae Aulacobaris lepidii
unknown unknown Curculionidae Eremobaris picturata
flower predator Aeolothripidae Aeolothrips intermedius
leaf vagrant Thripidae Thrips fuscipennis
leaf vagrant Thripidae Thrips major
leaf hidden Thripidae Thrips tabaci
root borer larva doubtful Curculionidae Ceutorhynchus scrobicollis
leaf leaf spot Mycosphaerellaceae Cercospora armoraciae
leaf vagrant Pentatomidae Eurydema oleracea
fruit vagrant Rhopalidae Brachycarenus tigrinus
leaf leaf spot Capnodiales Cercospora berteroae
fruit vagrant Geometridae Lithostege farinata
leaf vagrant Pieridae Pieris napi
root vagrant Chrysomelidae Phyllotreta atra
flower hidden Crambidae Evergestis extimalis
root collar borer Curculionidae Ceutorhynchus puncticollis
stem borer larva Curculionidae Ceutorhynchus barbareae
flower gall Curculionidae Ceutorhynchus canaliculatus
unknown borer larva Curculionidae Ceutorhynchus pulvinatus
unknown unknown Curculionidae Ceutorhynchus sulcatus
stem borer Curculionidae Ceutorhynchus sulcicollis
unknown unknown Curculionidae Aulacobaris violaceomicans
unknown unknown Chrysomelidae Psylliodes circumdata
leaf vagrant adult Curculionidae Ceutorhynchus thomsoni
fruit borer Curculionidae Ceutorhynchus obstrictus
fruit borer larva Curculionidae Ceutorhynchus hampei
fruit borer larva Curculionidae Ceutorhynchus posthumus
stem borer larva main Curculionidae Ceutorhynchus ignitus
stem borer larva Curculionidae Lixus punctirostris
root collar gall Curculionidae Ceutorhynchus dubius
flower vagrant Aphididae Smiela fusca
flower vagrant Aphididae Spatulophorus incanae
leaf vagrant summer generation Aphididae Aphis fabae fabae
leaf miner Agromyzidae Liriomyza strigata
stem miner Agromyzidae Ophiomyia alliariae
fruit gall Cecidomyiidae Dasineura napi
flower gall Cecidomyiidae Dasineura berteroae
flower gall Eriophyidae Aceria drabae
leaf down Erysiphales Erysiphe cruciferarum
leaf down Erysiphales Golovinomyces orontii
leaf down Peronosporales Hyaloperonospora berteroae
leaf miner Curculionidae Ceutorhynchus minutus
leaf miner Drosophilidae Scaptomyza flava
leaf miner Psychidae Apterona helicoidella
leaf pustule Albuginales Albiginaceae Albugo candida
leaf vagrant summer generation Aphididae Aphis fabae
stem gall Curculionidae Ceutorhynchus carinatus
root collar gall Curculionidae Ceutorhynchus assimilis
root collar gall Plasmodiophorales Plasmodiophora brassicae

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 6.xii.2023