Plant Parasites of Europe

leafminers, galls and fungi

Meum athamanticum

spignel

synonym: Ligusticum meum;

organ parasitic mode stage note taxonomic group parasite
leaf vagrant Miridae Strongylocoris niger
root vagrant Curculionidae Liophloeus tessulatus
flower vagrant Geometridae Mesotype didymata
flower vagrant Geometridae Mesotype verberata
flower vagrant Geometridae Eupithecia satyrata
leaf vagrant Geometridae Odezia atrata
leaf vagrant Papilionidae Papilio machaon
leaf vagrant Chrysomelidae Oreina viridis
leaf hidden doubtful Depressariidae Agonopterix adspersella
flower hidden Elachistidae Depressaria heydenii
unknown borer Syrphidae Cheilosia subpictipennis
leaf vagrant summer generation Aphididae Aphis fabae
leaf down Peronosporales Plasmopara mei-foeniculi
leaf gall Taphrinales Protomyces macrosporus
leaf miner Epermeniidae Epermenia aequidentellus
leaf pustule aecia Pucciniales Puccinia bistortae
leaf pustule aecia Pucciniales Puccinia mei-mamillata
stem pustule telia Pucciniales Nyssopsora echinata
leaf vagrant summer generation rarely Aphididae Aphis fabae cirsiiacanthoidis
leaf vagrant summer generation Aphididae Cavariella aegopodii

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 15.i.2022