Plant Parasites of Europe

leafminers, galls and fungi

Elytrigia repens

common couch

synonym: Agropyron, Agropyrum, Elymus, repens; Elytrigia maritimifolium

organparasitic modestagenotetaxonomic groupparasite
rootborerChrysomelidaeChaetocnema aridula
rootvagrantChrysomelidaePhyllotreta vittula
leafminerChrysomelidaeHispa atra
stemborerNoctuidaeHydraecia micacea
leafminerAgromyzidaeCerodontha hammi
leafvagrantTenthredinidaeTenthredopsis scutellaris
stemborerChloropidaeConioscinella frontella
stemborerChloropidaeConioscinella sordidella
stemborerChloropidaeMicrocercis trigonella
stemborerChloropidaeOscinella pusilla
leafvagrantTenthredinidaeSelandria serva
leafscaleEriococcidaeAcanthococcus greeni
stemborerCephidaeCalameuta filiformis
leafscaleEriococcidaeRhizococcus zernae
leafscaleEriococcidaeGreenisca placida
stemscaleEriococcidaeGreenisca glyceriae
stemgallEriococcidaeRhizococcus devoniensis
leafscaleEriococcidaeAcanthococcus insignis
leafscaleEriococcidaeAcanthococcus pseudinsignis
stemscalePseudococcidaeTrionymus aberrans
stemscalePseudococcidaePhenacoccus phenacccoides
leafscaleEriococcidaeAcanthococcus agropyri
leafscaleCoccidaeEriopeltis festucae
leafhiddenGelechiidaeHelcystogramma lutatella
leafhiddenTortricidaeAphelia paleana
stemgallAnguinidaeAnguina agropyri
leafvagrantEriophyidaeAculodes mckenziei
leafvagrantEriophyidaeAbacarus longilobus
leafvagrantEriophyidaeAceria tosichella
fruitgallHypocrealesClaviceps purpurea
fruitgallTilletialesTilletia controversa
flowergallEriophyidaeAceria cornuta
flowergallUstilaginalesUstilago bullata
leaf budgallLonchaeidaeDasiops latifrons
leafminer>borerOchsenheimeriidaeOchsenheimeria vacculella
leafdownErysiphales ErysiphaceaeBlumeria graminis
leafleaf spotPhyllachoralesPhyllachora graminis
leaffilmUstilaginalesTranzscheliella hypodytes
leafgallmainAphididaeDiuraphis frequens
leafgallEriophyidaeAbacarus hystrix
leafgallPeronosporalesSclerophthora macrospora
leafgallTarsonemidaeSteneotarsonemus canestrinii
leafminerAgromyzidaeAgromyza nigrociliata
leafminerAgromyzidaeAgromyza rondensis
leafminerdoubtfulAgromyzidaeCerodontha calosoma
leafminerAgromyzidaeCerodontha denticornis
leafminerAgromyzidaeCerodontha flavocingulata
leafminerAgromyzidaeCerodontha incisa
leafminermainAgromyzidaeCerodontha lateralis
leafminerAgromyzidaeCerodontha muscina
leafminerAgromyzidaeCerodontha pygmaea
leafminerAgromyzidaeCerodontha spencerae
leafminerAgromyzidaeCerodontha superciliosa
leafminerAgromyzidaeCerodontha zuskai
leafminerAgromyzidaeLiriomyza flaveola
leafminerAgromyzidaePseudonapomyza atra
leafminerElachistidaeElachista albifrontella
leafminerElachistidaeElachista argentella
leafminerElachistidaeElachista fasciola
leafminerElachistidaeElachista griseella
leafminerElachistidaeElachista littoricola
leafminerElachistidaeElachista maculicerusella
leafminerElachistidaeElachista pollinariella
leafminerElachistidaeElachista pullicomella
leafpustuleCantharellalesCeratorhiza rhizodes
leafpustuleuredinia teliaPuccinialesPuccinia agropyri
leafpustuleuredinia teliaPuccinialesPuccinia agropyrina
leafpustuleuredinia teliaPuccinialesPuccinia cerinthes-agropyrina
leafpustuleuredinia teliaPuccinialesPuccinia clematidis-secalis
leafpustuleuredinia teliaPuccinialesPuccinia coronata
leafpustuleuredinia teliaPuccinialesPuccinia graminis
leafpustuleuredinia teliaPuccinialesPuccinia persistens
leafpustuleUrocystidalesUrocystis agropyri
leafstripeBlastocladialesPhysoderma graminis
leafstripeMicrobotryalesUstilentyloma brefeldii
leafstripeUstilaginalesUstilago serpens
leafstripeUstilaginalesUstilago striiformis
stemborerEurytomidaeTetramesa cornuta
stemgallCecidomyiidaeHaplodiplosis marginata
stemgallCecidomyiidaeHybolasioptera fasciata
stemgallCecidomyiidaeLasioptera calamagrostidis
stemgallCecidomyiidaeMayetiola baudysi
stemgallCecidomyiidaeMayetiola destructor
stemgallChloropidaeChlorops pumilionis
stemgallChloropidaeOscinella frit
stemgallmainEurytomidaeTetramesa hordei
stemgallEurytomidaeTetramesa hyalipennis
stemgallEurytomidaeTetramesa linearis
stemunknownEurytomidaeTetramesa cereipes
stemvagrantAphididaeLaingia psammae
rootgallAnguinidaeSubanguina radicicola
rootvagrantsummer generationAphididaeAnoecia vagans
rootvagrantsummer generationAphididaeForda marginata
inquilineEriophyidaeAculodes dubius
leafvagrantAphididaeChaetosiphella berlesei
leafvagrantAphididaeSipha glyceriae
leafvagrantAphididaeSipha arenarii
leafvagrantmainAphididaeSipha elegans
leafvagrantAphididaeSipha maydis
leafvagrantsummer generationAphididaeRhopalosiphum padi
stemvagrantAphididaeLaingia psammae
leafvagrantAphididaeSitobion avenae
rootvagrantdoubtfulAphididaeForda pawlowae
rootvagrantsummer generationAphididaeAnoecia furcata

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 24.vi.2020