Plant Parasites of Europe

leafminers, galls and fungi

genus Hesperis

organ parasitic mode stage note taxonomic group parasite
root vagrant Chrysomelidae Phyllotreta austriaca
unknown unknown Curculionidae Ceutorhynchus loici
leaf vagrant Crambidae Evergestis forficalis
leaf leaf spot Didymellaceae Ascochyta cheiranthi
systemic film Pythiaceae Globisporangium intermedium
leaf vagrant Pentatomidae Eurydema oleracea
leaf vagrant Pieridae Pieris brassicae
fruit vagrant Pieridae Anthocharis cardamines
fruit vagrant Pieridae Anthocharis cardamines
leaf vagrant Pieridae Pieris rapae
leaf vagrant Pieridae Pieris napi
unknown unknown Curculionidae Ceutorhynchus gandoni
leaf miner Chrysomelidae Phyllotreta nemorum
unknown unknown Curculionidae Aulacobaris violaceomicans
flower borer Nitidulidae Brassicogethes matronalis
flower borer Nitidulidae Clypeogethes wittmeri
leaf hidden Plutellidae Plutella porrectella
leaf leaf spot Capnodiales Ramularia armoraciae
stem borer larva Curculionidae Lixus ochraceus
unknown borer larva Curculionidae Ceutorhynchus oculatus
leaf miner Agromyzidae Chromatomyia horticola
fruit gall Curculionidae Ceutorhynchus inaffectatus
leaf down Erysiphales Erysiphe cruciferarum
leaf down Peronosporales Hyaloperonospora hesperidis
leaf gall Aphididae Brevicoryne brassicae
leaf gall Curculionidae Ceutorhynchus chalibaeus
leaf miner Agromyzidae Liriomyza bryoniae
leaf miner Agromyzidae Liriomyza strigata
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
stem borer Curculionidae Ceutorhynchus pallidactylus
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 29.xi.2023