Plant Parasites of Europe

leafminers, galls and fungi

Conium maculatum


synonym: Conium divaricatum

organ parasitic mode stage note taxonomic group parasite
predator Figitidae Phaenoglyphis heterocera
predator Eurytomidae Systole conspicua
flower vagrant Miridae Grypocoris sexguttatus
leaf vagrant Miridae Chlamydatus pullus
leaf vagrant Miridae Criocoris crassicornis
leaf vagrant Miridae Orthops kalmii
leaf vagrant Miridae Plagiognathus bipunctatus
flower vagrant Miridae Megalocoleus molliculus
leaf vagrant Pentatomidae Graphosoma italicum
leaf vagrant Pentatomidae Graphosoma semipunctatum
stem borer Cerambycidae Phytoecia icterica
leaf vagrant Chrysomelidae Chrysolina oricalcia
stem gall Curculionidae Lixus iridis
leaf hidden Depressariidae Agonopterix heracliana
leaf hidden Depressariidae Agonopterix vendettella
leaf hidden Depressariidae Agonopterix alstromeriana
fruit vagrant Tortricidae Aethes beatricella
fruit vagrant Tortricidae Aethes francillana
root borer larva Curculionidae Calosirus apicalis
leaf vagrant summer generation Aphididae Cavariella aegopodii
leaf vagrant summer generation Aphididae Aphis fabae
fruit gall Cecidomyiidae Kiefferia pericarpiicola
flower gall Cecidomyiidae Lasioptera carophila
leaf down Erysiphales Erysiphe heraclei
leaf down Erysiphales Leveillula taurica
leaf down Peronosporales Plasmopara conii
leaf miner Agromyzidae Phytomyza aurei
leaf miner Agromyzidae Phytomyza chaerophylli
leaf miner Agromyzidae Phytomyza conii
leaf miner Agromyzidae Phytomyza coniopais
leaf miner Epermeniidae Epermenia chaerophyllella
leaf pustule aecia Pucciniales Uromyces graminis
leaf pustule uredinia telia Pucciniales Puccinia conii
leaf vagrant summer generation Aphididae Hyadaphis passerinii
leaf vagrant summer generation Aphididae Hyadaphis foeniculi
leaf vagrant summer generation rarely Aphididae Cavariella pastinacae
stem vagrant summer generation Aphididae Dysaphis apiifolia
leaf vagrant summer generation Aphididae Aphis fabae fabae
leaf vagrant summer generation Aphididae Cavariella theobaldi


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.


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