Plant Parasites of Europe

leafminers, galls and fungi

genus Allium

organparasitic modestagenotetaxonomic groupparasite
rootborerBrachyceridaeBrachycerus undatus
rootborerBrachyceridaeBrachycerus albidentatus
rootborerBrachyceridaeBrachycerus plicatus
rootborerBrachyceridaeBrachycerus muricatus
leafhiddenTortricidaeLobesia artemisiana
flowerhiddenThripidaeFrankliniella intonsa
rootborerSyrphidaePortevinia maculata
leafminerCurculionidaeOprohinus consputus
leafminerCurculionidaeOprohinus suturalis
leafminerAgromyzidaeChromatomyia horticola
leafvagrantsummer generationAphididaeMyzus persicae
stemvagrantOrtheziidaeOrthezia urticae
rootborerPyralidaeEphestia welseriella
rootborerAnthomyiidaeDelia antiqua
leafvagrantTriozidaeBactericera kratochvili
leafvagrantTriozidaeBactericera tremblayi
leafvagrantAphididaeSitobion avenae
leafvagrantAphididaeNeotoxoptera formosana
leafvagrantsummer generationAphididaeRhopalosiphum padi
leafvagrantsummer generationAphididaeAphis fabae
systemicborerAnguinidaeDitylenchus dipsaci
leafdownErysiphalesLeveillula allii
leafdownPeronosporalesPeronospora destructor
leafleaf spotCapnodialesCladosporium allii
leafleaf spotCapnodialesCladosporium allii-cepae
leafleaf spotGlomerellalesColletotrichum circinans
leafgallBlastocladialesPhysoderma allii
leafminerAgromyzidaeLiriomyza cepae
leafminerAgromyzidaeLiriomyza chinensis
leafminerAgromyzidaeLiriomyza huidobrensis
leafminerAgromyzidaeLiriomyza nietzkei
leafminerAgromyzidaePhytomyza gymnostoma
leafminerdoubtfulCurculionidaeOrthochaetes insignis
leafminerDrosophilidaeScaptomyza graminum
leafminerDrosophilidaeScaptomyza pallida
leafminerEphydridaeHydrellia griseola
leafminerGlyphipterigidaeAcrolepiopsis assectella
leafminerSyrphidaeCheilosia fasciata
leafpustuleaeciaPuccinialesPuccinia fragosoi
leafpustuleaeciaPuccinialesPuccinia gaudinianae
leafpustuleaeciaPuccinialesPuccinia laguri-chamaemoly
leafpustuleaeciaPuccinialesPuccinia permixta
leafpustuleaeciaPuccinialesPuccinia sessilis
leafpustuleaeciaPuccinialesPuccinia vulpiana
leafpustuleaecia uredinia teliaPuccinialesPuccinia allii
leafpustuleaeciaPuccinialesMelampsora allii-fragilis
leafpustuleaeciaPuccinialesMelampsora allii-populina
leafpustuleaeciaPuccinialesMelampsora salicis-albae
leafpustuleaecia teliaPuccinialesUromyces japonicus
leafpustuleUrocystidalesUrocystis cepulae
leafpustuleUstilaginalesUstilago ceparum
leafvagrantEriophyidaeAceria tulipae
rootgallLongidoridaeParalongidorus maximus
rootgallMeloidogynidaeMeloidogyne hapla
rootgallMeloidogynidaeMeloidogyne naasi
leafvagrantAphididaeMyzus ascalonicus
leafvagrantAphididaeMyzus cymbalariae

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 5.v.2020