organ parasitic mode stage note taxonomic group parasite
stem scale Diaspididae Diaspidiotus ostreaeformis
leaf hidden Tortricidae Capua vulgana
leaf hidden Tortricidae Adoxophyes orana
leaf hidden Tortricidae Clepsis rurinana
leaf hidden Tortricidae Tortricodes alternella
leaf hidden Tortricidae Acleris variegana
leaf vagrant Eriophyidae Aculops floegeli
leaf vagrant Diptilomiopidae Diptacus calicoryli
leaf vagrant Eriophyidae Aceria biradiata
leaf vagrant Eriophyidae Anthocoptes loricatus
leaf vagrant Eriophyiidae Coptophylla lamimani
fruit borer Tortricidae Cydia amplana
leaf bud borer Gelechiidae Parachronistis albiceps
bud borer larva Curculionidae Coeliodes ruber
leaf gall larva Rhynchitidae Deporaus betulae
leaf gall larva Rhynchitidae Byctiscus betulae
leaf miner larva Rhynchitidae Caenorhinus mannerheimii
leaf gall larva main Attelabidae Apoderus coryli
leaf scale Aleyrodidae Pealius quercus
leaf scale Aleyrodidae Trialeurodes vaporariorum
leaf scale Aleyrodidae Asterobemisia carpini
leaf vagrant Tenthredinidae Caliroa annulipes
stem scale Coccidae Parthenolecanium rufulum
stem borer Sesiidae Synanthedon codeti
inquiline Eriophyidae Cecidophyopsis vermiformis
stem borer Sesiidae Synanthedon spuleri
stem borer doubtful Sesiidae Synanthedon stomoxiformis
stem scale Coccidae Pulvinaria regalis
fruit gall Curculionidae Curculio nucum
flower borer Tortricidae Epinotia tenerana
flower gall Cecidomyiidae Contarinia coryli
flower gall Eriophyidae Phyllocoptruta coryli
leaf bud gall Phytoptidae Phytoptus avellanae
leaf down Erysiphales Phyllactinia guttata
leaf leaf spot Helotiales Cristulariella depraedans
leaf gall Aphididae Corylobium avellanae
leaf gall Cecidomyiidae Contarinia cybelae
leaf gall Cecidomyiidae Mikomya coryli
leaf miner rarely Bucculatricidae Bucculatrix demaryella
leaf miner Buprestidae Trachys minutus
leaf miner doubtful Coleophoridae Coleophora ahenella
leaf miner Coleophoridae Coleophora anatipenella
leaf miner Coleophoridae Coleophora badiipennella
leaf miner Coleophoridae Coleophora binderella
leaf miner Coleophoridae Coleophora currucipennella
leaf miner main Coleophoridae Coleophora fuscocuprella
leaf miner Coleophoridae Coleophora milvipennis
leaf miner Coleophoridae Coleophora orbitella
leaf miner Coleophoridae Coleophora serratella
leaf miner Coleophoridae Coleophora violacea
leaf miner Curculionidae Tachyerges pseudostigma
leaf miner Curculionidae Tachyerges stigma
leaf miner Eriocraniidae Paracrania chrysolepidella
leaf miner Gracillariidae Parornix devoniella
leaf miner Gracillariidae Phyllonorycter coryli
leaf miner Gracillariidae Phyllonorycter nicellii
leaf miner Incurvariidae Incurvaria masculella
leaf miner Incurvariidae Incurvaria pectinea
leaf miner rarely Nepticulidae Ectoedemia minimella
leaf miner Nepticulidae Stigmella floslactella
leaf miner Nepticulidae Stigmella microtheriella
leaf pustule uredinia telia Pucciniales Melampsoridium carpini
leaf predator Coccinellidae Halyzia sedecimguttata
leaf vagrant Eriophyidae Aculus comatus
leaf vagrant Eriophyidae Tegonotus depressus
stem borer Cerambycidae Oberea linearis
stem scale Coccidae Palaeolecanium bituberculatum
stem scale Coccidae Parthenolecanium corni
leaf oviposition scar Tenthredinidae Hemichroa crocea
stem scale Coccidae Eulecanium tiliae
leaf vagrant Aphididae Myzocallis coryli


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 18.xi.2019