organ parasitic mode stage note taxonomic group parasite
leaf vagrant Tenuipalpidae Cenopalpus carpini
leaf vagrant Eriophyidae Aceria carpini
leaf vagrant Diptilomiopidae Diptacus mazuriensis
leaf vagrant Diptilomiopidae Diptacus sulcatus
leaf vagrant Eriophyidae Aculus ulae
leaf vagrant Eriophyidae Tegnacus unicornutus
fruit borer larva Apionidae Trichopterapion holosericeum
leaf gall larva Rhynchitidae Byctiscus betulae
larva Rhynchitidae Deporaus betulae
leaf gall larva Attelabidae Apoderus coryli
leaf scale Aleyrodidae Pealius quercus
leaf scale Aleyrodidae Asterobemisia carpini
leaf scale Aleyrodidae Bemisia afer
stem scale Coccidae Parthenolecanium corni
stem scale Pseudococcidae Phenacoccus aceris
stem borer Sesiidae Synanthedon spuleri
stem borer Psilidae Chyliza leptogaster
stem borer Cecidomyiidae Resseliella quercivora
leaf scale Coccidae Pulvinaria hydrangeae
stem scale Coccidae Pulvinaria vitis
leaf bud gall Cecidomyiidae Contarinia trotteri
leaf down Erysiphales Erysiphe arcuata
leaf down Erysiphales Phyllactinia carpini
leaf leaf spot Helotiales Cristulariella depraedans
leaf gall Cecidomyiidae Zygiobia carpini
leaf gall Cecidomyiidae Aschistonyx carpinicolus
leaf gall Cecidomyiidae Contarinia carpini
leaf gall Cecidomyiidae Dasineura ruebsaameni
leaf gall Eriophyidae Aceria tenella
leaf gall Eriophyidae Aculops macrotrichus
leaf gall Eriophyidae Phyllocoptes compressus
leaf miner Bucculatricidae Bucculatrix thoracella
leaf miner Buprestidae Trachys minutus
leaf miner doubtful Coleophoridae Coleophora ahenella
leaf miner Coleophoridae Coleophora anatipenella
leaf miner Coleophoridae Coleophora binderella
leaf miner Coleophoridae Coleophora currucipennella
leaf miner Coleophoridae Coleophora fuscocuprella
leaf miner Coleophoridae Coleophora milvipennis
leaf miner Coleophoridae Coleophora orbitella
leaf miner Coleophoridae Coleophora serratella
leaf miner Coleophoridae Coleophora siccifolia
leaf miner Coleophoridae Coleophora violacea
leaf miner Eriocraniidae Paracrania chrysolepidella
leaf miner Gracillariidae Parornix carpinella
leaf miner Gracillariidae Phyllonorycter endryella
leaf miner Gracillariidae Phyllonorycter messaniella
leaf miner Gracillariidae Phyllonorycter tenerella
leaf miner Incurvariidae Incurvaria masculella
leaf miner Incurvariidae Incurvaria oehlmanniella
leaf miner Incurvariidae Incurvaria pectinea
leaf miner Nepticulidae Stigmella carpinella
leaf miner rarely Nepticulidae Stigmella floslactella
leaf miner Nepticulidae Stigmella microtheriella
leaf pustule uredinia telia Pucciniales Melampsoridium carpini
leaf vagrant Eriophyidae Tegonotus depressus
leaf vagrant Eriophyidae Aculus betuli
leaf vagrant Eriophyidae Aculus comatus
leaf vagrant Eriophyidae Phyllocoptes carpini
stem borer doubtful Agromyzidae Phytobia cambii
stem borer Cerambycidae Oberea linearis
stem gall Hypocreales Neonectria galligena
stem gall rarely Loranthaceae Loranthus europaeus
stem gall Santalaceae Viscum album
stem witches’ broom Taphrinales Taphrina carpini
inquiline Cecidomyiidae Zygiobia ruebsaameni
inquiline Eriophyidae Cecidophyopsis vermiformis
leaf vagrant Aphididae Myzocallis carpini


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.


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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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.


mod 12.x.2019