Plant Parasites of Europe

leafminers, galls and fungi

Alnus incana

grey alder

synonym: Alnus minor

organparasitic modestagenotetaxonomic groupparasite
leafleaf spotMycosphaerellaceaeRamularia alnicola var. multiseptata
leafleaf spotDothideomycetesAsteromella maculiformis
leafleaf spotCapnodialesRamularia alnicola
leafvagrantAcanthosomatidaeElasmucha antennata
flowervagrantLygaeidaeOxycarenus modestus
leafvagrantMiridaePhylus plagiatus
leafvagrantMiridaePantilius tunicatus
leafvagrantMiridaePsallus salicis
predatorMiridaeBlepharidopterus angulatus
leafvagrantMiridaeOrthotylus interpositus
leafvagrantMiridaePlagiognathus arbustorum
leafvagrantMiridaePsallus ambiguus
flowervagrantLygaeidaeArocatus roeselii
leafvagrantadultCurculionidaePolydrusus fulvicornis
rootvagrantadultCurculionidaeOtiorhynchus uncinatus
leafvagrantadultCurculionidaePhyllobius glaucus
leafvagrantadultCurculionidaeOtiorhynchus carinatopunctatus
leafvagrantNoctuidaeCerastis rubricosa
leafvagrantNoctuidaeOrthosia gothica
leafvagrantdoubtfulTenthredinidaeEuura viridis
leafvagrantNoctuidaeLithophane socia
leafvagrantNoctuidaeLithophane consocia
leafvagrantNoctuidaeLithophane merckii
leafvagrantNoctuidaeMesogona oxalina
stemgallTortricidaeEpinotia tetraquetrana
leafvagrantNoctuidaeColocasia coryli
leafvagrantNotodontidaePtilodon capucina
leafvagrantNotodontidaeNotodonta dromedarius
leafvagrantGeometridaeCabera pusaria
leafvagrantGeometridaeCabera exanthemata
leafvagrantDrepanidaeDrepana curvatula
leafvagrantLasiocampidaeTrichiura crataegi
leafvagrantSaturniidaeAglia tau
leafvagrantDrepanidaeOchropacha duplaris
leafvagrantGeometridaeSelenia dentaria
leafvagrantGeometridaeSelenia lunularia
leafvagrantGeometridaeSelenia tetralunaria
leafvagrantGeometridaeOdontopera bidentata
leafvagrantGeometridaeEuchoeca nebulata
leafvagrantGeometridaeHydrelia flammeolaria
leafvagrantGeometridaeHydrelia sylvata
leafvagrantGeometridaeHydriomena impluviata
leafvagrantGeometridaeChloroclysta siterata
leafvagrantGeometridaePlemyria rubiginata
stemborerXiphydryiidaeXiphydria megapolitana
stemborerCossidaeCossus cossus
leafvagrantdoubtfulChrysomelidaeGonioctena flavicornis
leafvagrantChrysomelidaeGonioctena interposita
leafvagrantdoubtfulChrysomelidaeLuperus luperus
leafvagrantadultChrysomelidaeLuperus viridipennis
stemborerBuprestidaeAgrilus viridis
leafvagrantTingidaePhysatocheila costata
stemborerBuprestidaeMelanophila acuminata
stemborerBuprestidaeDicerca alni
stemborerBuprestidaeLamprodila decipiens
leafvagrantCicadellidaeArboridia parvula
leafvagrantCicadellidaeEdwardsiana menzbieri
leafvagrantCicadellidaeTyphlocyba quercus
leafvagrantCicadellidaeOncopsis planiuscula
leafvagrantdoubtfulCicadellidaeKybos mucronatus
leafvagrantCicadellidaeKybos strobli
leafvagrantCicadellidaeLinnavuoriana intercedens
leafvagrantCicadellidaeOncopsis alni
leafvagrantCicadellidaeZygina tiliae
leafvagrantCicadellidaeAlebra albostriella
leafvagrantCicadellidaeAlnetoidea alneti
leafvagrantCicadellidaeKybos smaragdula
leafvagrantCicadellidaeEdwardsiana geometrica
leafvagrantCicadellidaeEdwardsiana alnicola
leafvagrantCicadellidaeEdwardsiana soror
stemborerCurculionidaeTrypophloeus alni
stemborerCurculionidaeXyleborus dispar
stemborerCurculionidaeDryocoetes alni
leafvagrantTetranychidaeEotetranychus carpini
leafvagrantTetranychidaePanonychus ulmi
leafgallunknown on Alnus incana
leafvagrantChrysomelidaeGalerucella lineola
leafvagrantChrysomelidaeLochmaea caprea
leafvagrantChrysomelidaeAgelastica alni
leafvagrantChrysomelidaeAltica tamaricis
leafvagrantChrysomelidaePlagiosterna aenea
leafvagrantTenthredinidaeNematinus bilineatus
leafvagrantTenthredinidaeEuura glutinosae
leafvagrantlarvaTenthredinidaeHemichroa australis
leafoviposition scareggTenthredinidaeHemichroa australis
leafvagrantTenthredinidaeEriocampa umbratica
leafoviposition scareggTenthredinidaeEriocampa umbratica
leafvagrantTenthredinidaeNematinus steini
leafvagrantTenthredinidaeMonsoma pulveratum
leafhiddenPamphilidaePamphilius fumipennis
leafvagrantTenthredinidaeNematinus fuscipennis
leafvagrantTenthredinidaeNematinus luteus
leafvagrantTenthredinidaeNematus alniastri
leafvagrantTenthredinidaeNematus septentrionalis
leafvagrantCimbicidaeCimbex connatus
leafhiddenPamphilidaePamphilius varius
leafhiddenPamphilidaePamphilius kontuniemii
leafvagrantTenthredinidaePlatycampus luridiventris
stemscalePseudococcidaePhenacoccus aceris
stemscaleCoccidaePulvinaria vitis
stemscaleDiaspididaeDiaspidiotus ostreaeformis
leafhiddenTortricidaeLobesia reliquana
leafoviposition scareggTenthredinidaeHemichroa crocea
leafoviposition scareggTenthredinidaeEriocampa ovata
leafvagrantlarvaTenthredinidaeEriocampa ovata
leafvagrantlarvaTenthredinidaeHemichroa crocea
stemgallHypocrealesNeonectria major
leafvagrantEriophyidaeTegonotus borealis
leafvagrantEriophyidaeAceria alniborealis
leafvagrantEriophyidaePhyllocoptes alniincanae
leafvagrantEriophyidaePhyllocoptes alniborealis
fruitborerStathmopodidaeStathmopoda pedella
flowerborerlarvaCurculionidaeCurculio betulae
flowerborerlarvaCurculionidaeAnthonomus undulatus
leafminerCurculionidaeAnoplus setulosus
leafgalllarvaRhynchitidaeDeporaus betulae
stemborerSesiidaeSynanthedon spheciformis
stemvagrantPsyllidaeBaeopelma foersteri
flowergallTaphrinalesTaphrina alni
leafdownErysiphalesErysiphe penicillata
leafdownErysiphalesErysiphe vernalis
leafdownErysiphalesPhyllactinia alnicola
leafgallCecidomyiidaeDasineura tortilis
leafgallDiptilomiopidaeDiptacus dipterochelus
leafgallEriophyidaeAcalitus brevitarsus
leafgallEriophyidaeAcalitus phyllereus
leafgallEriophyidaeAcaricalus trinotus
leafgallEriophyidaeEriophyes alniincanae
leafgallEriophyidaeEriophyes inangulis
leafgallEriophyidaeEriophyes laevis
stemvagrantPsyllidaePsylla fusca
stemvagrantPsyllidaePsylla alni
leafgallTaphrinalesTaphrina sadebeckii
leafgallTaphrinalesTaphrina tosquinetii
leafminerAgromyzidaeAgromyza alnivora
leafminerBucculatricidaeBucculatrix cidarella
leafminerColeophoridaeColeophora alnifoliae
leafminerColeophoridaeColeophora binderella
leafminerColeophoridaeColeophora milvipennis
leafminerColeophoridaeColeophora serratella
leafminerCurculionidaeAnoplus roboris
leafminerCurculionidaeOrchestes testaceus
leafminerGracillariidaeCaloptilia elongella
leafminerGracillariidaePhyllonorycter chrysella
leafminerGracillariidaePhyllonorycter froelichiella
leafminerGracillariidaePhyllonorycter klemannella
leafminerGracillariidaePhyllonorycter rajella
leafminerGracillariidaePhyllonorycter stettinensis
leafminerGracillariidaePhyllonorycter strigulatella
leafminerHeliozelidaeHeliozela resplendella
leafminerIncurvariidaeIncurvaria pectinea
leafminerLyonetiidaeLeucoptera malifoliella
leafminerNepticulidaeStigmella alnetella
leafminerNepticulidaeStigmella glutinosae
leafminerTenthredinidaeFenusa dohrnii
leafminerTenthredinidaeHeterarthrus vagans
leafpustuleuredinia teliaPuccinialesMelampsoridium betulinum
leafpustuleuredinia teliamainPuccinialesMelampsoridium hiratsukanum
leafvagrantDiptilomiopidaeDiptacus sacramentae
leafvagrantEriophyidaePhyllocoptes punctatus
leafvagrantEriophyidaeTegonotus heptacanthus
leafvagrantEriophyidaeTegonotus platynaspis
stemleaf spotPeronosporalesPhytophthora alni
stemgallDiaspididaeChionaspis salicis
stemgallSantalaceaeViscum album
stemwitches’ broomTaphrinalesTaphrina epiphylla
leafoviposition scarTenthredinidaeHemichroa crocea
leafvagrantrarelyAphididaeBetulaphis quadrituberculata
leafvagrantAphididaePterocallis albida
stemvagrantAphididaeGlyphina jacutensis
stemvagrantAphididaeClethrobius comes
leafvagrantrarelyAphididaePterocallis alni

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 1.viii.2022