Plant Parasites of Europe

leafminers, galls and fungi

Fraxinus excelsior

ash

synonym: Fraxinus aurea, heterophylla, monophylla, pendula

organparasitic modestagenotetaxonomic groupparasite
leafvagrantCurculionidaeStereonychus fraxini
flowerhiddenThripidaeThrips flavus
flowerhiddenThripidaeThrips minutissimus
leafvagrantThripidaeOxythrips halidayi
leafvagrantmainThripidaeDendrothrips degeeri
leafvagrantTenthredinidaeEupareophora exarmata
leafvagrantdoubtfulTenthredinidaeAglaostigma nebulosum
leafvagrantTenthredinidaeRhogogaster punctulata
leafvagrantTenthredinidaeTenthredo vespa
leafvagrantTenthredinidaePachyprotasis rapae
stemborerPyralidaeEuzophera pinguis
stemscaleDiaspididaeDiaspidiotus lenticularis
stemborerCuruculionidae – BostrichinaeHylesinus fraxini
stemscaleCoccidaeEulecanium tiliae
stemscaleCoccidaePulvinaria vitis
stemscaleDiaspididaePseudaulacaspis pentagona
leafhiddenYponomeutidaeZelleria hepariella
fruitunknowndoubtfulTortricidaePammene ignorata
leafhiddenTortricidaeHedya nubiferana
leafhiddenYpsolophidaeYpsolopha parenthesella
stemborerTortricidaePammene suspectana
leafhiddenTortricidaeEulia ministrana
leafhiddenTortricidaeArchips crataegana
leafhiddenTortricidaeArchips xylosteana
predatorAnthocoridaeAnthocoris amplicollis
leafhiddenTortricidaePandemis corylana
stemgallHypocrealesNeonectria ditissima
stemscaleDiaspididaeDiaspidiotus ostreaeformis
leafhiddenTortricidaePhiledonides lunana
fruitborerTortricidaePseudargyrotoza conwagana
leafgallEriophyidaeTegolophus califraxini
fruitgallrarelyCurculionidaeLignyodes bischoffi
fruitborerlarvaCurculionidaeLignyodes enucleator
fruitborerlarvaCurculionidaeLignyodes suturatus
leafvagrantTenthredinidaeTomostethus nigritus
leafscaleAleyrodidaeTrialeurodes vaporariorum
leafscaleAleyrodidaeSiphoninus phillyreae
stemvagrantdoubtfulAphididaeStomaphis graffii
leafscaleCoccidaePulvinaria hydrangeae
stemscaleDiaspididaeLepidosaphes ulmi
stemscalePseudococcidaePhenacoccus aceris
stemborerPsilidaeChyliza leptogaster
stemborerCecidomyiidaeResseliella quercivora
fruitgallPsyllidaePsyllopsis machinosus
leafvagrantsummer generationAphididaeAphis fabae
fruitborerYponomeutidaePrays ruficeps
fruitgallCecidomyiidaeContarinia marchali
fruitgallCecidomyiidaeDasineura helenae
flowergallEriophyidaeAceria fraxinivora
leaf budgallsummer generationPsyllidaePsyllopsis repens
leafdownErysiphalesPhyllactinia fraxini
leafleaf spotCapnodialesCladosporium fraxinicola
leafgallspring generationAphididaeProciphilus bumeliae
leafgallspring generationAphididaeProciphilus fraxini
leafgallCecidomyiidaeDasineura acrophila
leafgallCecidomyiidaeDasineura fraxinea
leafgallCecidomyiidaeDasineura fraxini
leafgallEriophyidaeAceria fraxinicola
leafgallEriophyidaeAculus epiphyllus
leafgallEriophyidaeAculus fraxini
leafgallPsyllidaePsyllopsis discrepans
leafgallPsyllidaePsyllopsis distinguenda
leafgallPsyllidaePsyllopsis fraxini
leafvagrantPsyllidaePsyllopsis fraxinicola
leafgallspring generationPsyllidaePsyllopsis repens
leafminerAgromyzidaeAulagromyza heringii
leafminerGracillariidaeCaloptilia cuculipennella
leafminerGracillariidaeGracillaria syringella
leafminerYponomeutidaePrays fraxinella
leafpustuleChytridialesSynchytrium aureum
leafvagrantEriophyidaeTegonotus collaris
stemgallDiaspididaeChionaspis salicis
stemgallHypocrealesNeonectria ditissima
stemgallPseudomonadalesPseudomonas savastanoi pv fraxini
stemoviposition scarLestidaeLestes viridis
unknownunknownGracillariidaeGracillaria loriolella
stemscaleEriococcidaePseudochermes fraxini
stemscaleCoccidaeParthenolecanium corni

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 6.ix.2020