Plant Parasites of Europe

leafminers, galls and fungi

Crithmum maritimum

rock samphire

organ parasitic mode stage note taxonomic group parasite
unknown unknown Curculionidae Amaurorhinus monizianus
fruit borer larva doubtful Curculionidae Sibinia phalerata
flower predator Aeolothripidae Aeolothrips tenuicornis
leaf hidden Thripidae Thrips tabaci
leaf vagrant Miridae Eurystylus bellevoyei
stem borer Cerambycidae Parmena solieri
stem borer Cerambycidae Parmena pubescens
stem borer Cerambycidae Parmena bicincta
leaf vagrant Curculionidae Hypera conmaculata
stem scale Eriococcidae Acanthococcus uvaeursi
leaf miner Gelechiidae Epidola stigma
stem borer Elachistidae Depressaria halophilella
flower hidden Tortricidae Epinotia thapsiana
fruit vagrant Tortricidae Aethes francillana
fruit vagrant Tortricidae Aethes bilbaensis
leaf vagrant Aphididae Dysaphis crithmi
leaf vagrant summer generation Aphididae Aphis fabae
leaf down Erysiphales Leveillula lanuginosa
leaf down Peronosporales Plasmopara nivea
leaf gall Triozidae Bactericera crithmi
leaf pustule aecia Pucciniales Uromyces graminis


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 7.xii.2023