Plant Parasites of Europe

leafminers, galls and fungi

genus Centaurium

organ parasitic mode stage note taxonomic group parasite
flower hidden Thripidae Thrips atratus
leaf leaf spot Mycosphaerellaceae Pseudocercospora sabbatiae
leaf leaf spot Phyllostictaceae Phyllosticta erythraeae
unknown unknown Curculionidae Smicronyx revelierei
flower hidden Thripidae Thrips flavus
leaf vagrant Aphididae Brachyunguis harmalae
fruit gall Curculionidae Smicronyx funebris
fruit gall Curculionidae Smicronyx reichii
leaf down Peronosporales Peronospora erythraeae
leaf gall Aphididae Aphis gentianae
leaf miner Agromyzidae Chromatomyia centaurii
leaf miner Agromyzidae Chromatomyia gentianae
leaf miner Agromyzidae Liriomyza bryoniae
leaf miner Curculionidae Orthochaetes insignis
leaf miner Pterophoridae Stenoptilia zophodactylus
leaf pustule Albuginales Pustula centaurii
leaf pustule Chytridiales Synchytrium globosum
unknown unknown Curculionidae Smicronyx reichii
leaf vagrant Aphididae Aphis gossypii


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.


Last modified 18.ix.2023