Plant Parasites of Europe

leafminers, galls and fungi

Allium ampeloprasum

leek, wild leek

synonym: Allium babingtonii, porrum

organparasitic modestagenotetaxonomic groupparasite
rootborerCossidaeDyspessa ulula
flowervagrantTortricidaeLobesia bicinctana
leafminerCurculionidaeOprohinus suturalis
rootborerPyralidaeEphestia welseriella
leafvagrantTriozidaeBactericera tremblayi
leafvagrantAphididaeSitobion avenae
leafvagrantsummer generationAphididaeAphis fabae
leafdownErysiphalesLeveillula allii
leafdownPeronosporalesPeronospora destructor
leafleaf spotCapnodialesCladosporium allii
leafminerAgromyzidaeLiriomyza nietzkei
leafminerAgromyzidaePhytomyza gymnostoma
leafminerDrosophilidaeScaptomyza graminum
leafminerGlyphipterigidaeAcrolepiopsis assectella
leafpustuleaeciaPuccinialesMelampsora allii-fragilis
leafpustuleaeciaPuccinialesPuccinia fragosoi
leafpustuleaeciaPuccinialesPuccinia laguri-chamaemoly
leafpustuleaeciaPuccinialesPuccinia permixta
leafpustuleaeciaPuccinialesPuccinia sessilis
leafpustuleaecia uredinia teliaPuccinialesPuccinia allii
leafpustuleUrocystidalesUrocystis cepulae
leafvagrantAphididaeMyzus ascalonicus


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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