Plant Parasites of Europe

leafminers, galls and fungi

Fraxinus angustifolia

narrow-leaved ash

synonym: Fraxinus orientalis, parvifolia Lam., rostrata, rotundifolia Mill.

organ parasitic mode stage note taxonomic group parasite
leaf predator Aeolothripidae Aeolothrips melaleucus
stem borer Buprestidae Agrilus beauprei
leaf vagrant Tetranychidae Tetranychus urticae
leaf hidden Tortricidae Archips rosana
stem scale Pseudococcidae Phenacoccus aceris
leaf leaf spot Venturiaceae Fusicladium fraxini
leaf gall Liviidae Psyllopsis fraxini
leaf predator Miridae Deraeocoris flavilinea
leaf vagrant Miridae Phytocoris populi
leaf vagrant Pentatomidae Rhaphigaster nebulosa
predator Anthocoridae Anthocoris amplicollis
leaf vagrant Miridae Pseudoloxops coccineus
predator Anthocoridae Anthocoris nemorum
leaf vagrant Miridae Brachynotocoris puncticornis
leaf vagrant Miridae Psallus enejokosu
leaf vagrant Miridae Psallus anashanti
leaf vagrant Geometridae Abraxas pantaria
leaf vagrant Noctuidae Amphipyra pyramidea
leaf hidden Crambidae Palpita vitrealis
leaf vagrant Nymphalidae Euphydryas maturna
leaf hidden Tortricidae Archips podana
leaf vagrant Lycaenidae Laeosopis roboris
stem borer Buprestidae Eurythyrea micans
stem borer Buprestidae Anthaxia madridensis
stem borer Buprestidae Agrilus convexicollis
stem borer Curculionidae Phloeotribus scarabaeoides
stem borer Curculionidae Hylesinus fraxini
leaf vagrant Curculionidae Stereonychus fraxini
leaf vagrant Thripidae Thrips major
leaf hidden Yponomeutidae Zelleria hepariella
unknown unknown Gracillariidae Gracillaria loriolella
leaf vagrant Tenthredinidae Tomostethus nigritus
leaf scale Aleyrodidae Dialeurodes citri
leaf scale Aleyrodidae Siphoninus phillyreae
leaf gall Eriophyidae Aceria fraxinicola
leaf gall Cecidomyiidae Dasineura fraxini
leaf vagrant Psyllidae Psyllopsis fraxinicola
leaf gall Psyllidae Psyllopsis discrepans
flower gall Eriophyidae Aceria fraxinivora
leaf down Erysiphales Phyllactinia fraxini
leaf gall Cecidomyiidae Dasineura acrophila
leaf gall Eriophyidae Aculus fraxini
leaf gall Eriophyidae Tegolophus califraxini
leaf gall Psyllidae Psyllopsis distinguenda
leaf miner Agromyzidae Aulagromyza heringii
leaf miner Gracillariidae Caloptilia cuculipennella
leaf vagrant Eriophyidae Tegonotus collaris
leaf gall spring generation Aphididae Prociphilus bumeliae
leaf gall spring generation Aphididae Prociphilus fraxini

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.x.2023