organ parasitic mode stage note taxonomic group parasite
flower borer Tortricidae Cochylis molliculana
flower borer Tortricidae Cochylis hybridella
flower borer Tortricidae Cochylis dubitana
root borer Tortricidae Aethes tesserana
flower borer larva Curculionidae Glocianus distinctus
root collar borer larva Curculionidae Lixus bituberculatus
stem borer larva Curculionidae Lixus punctiventris
root borer larva Curculionidae Lixus angustus
leaf miner Curculionidae Orthochaetes setiger
leaf miner Agromyzidae Liriomyza obliqua
root vagrant Aphididae Trama troglodytes
leaf miner Agromyzidae Chromatomyia horticola
leaf vagrant summer generation Aphididae Myzus persicae
root borer doubtful Tortricidae Commophila aeneana
leaf vagrant summer generation Aphididae Brachycaudus helichrysi
leaf down Peronosporales Bremia lactucae
root vagrant Aphididae Trama maritima
flower gall Tephritidae Campiglossa producta
leaf leaf spot Capnodiales Ramularia inaequalis
stem vagrant Aphididae Uroleucon cichorii
stem borer Agromyzidae Melanagromyza oligophaga
stem miner Agromyzidae Ophiomyia heringi
unknown vagrant Aphididae Acyrthosiphon ilka
leaf vagrant summer generation Aphididae Aphis fabae solanella
leaf vagrant Aphididae Aphis gossypii
leaf vagrant summer generation Aphididae Aphis fabae
leaf vagrant summer generation Aphididae Aphis fabae fabae
systemic borer Anguinidae Ditylenchus dipsaci
flower borer Tephritidae Tephritis divisa
flower borer Tephritidae Tephritis separata
flower borer Tephritidae Trupanea amoena
flower borer Tephritidae Trupanea stellata
flower borer Tephritidae Ensina sonchi
flower gall Cynipidae Timaspis helminthiae
flower gall Cynipidae Phanacis comosae
flower gall Tephritidae Noeeta pupillata
flower vagrant summer generation Aphididae Hyperomyzus lactucae
flower vagrant summer generation Aphididae Hyperomyzus picridis
leaf bud gall Cecidomyiidae Jaapiella picridis
leaf borer Agromyzidae Ophiomyia beckeri
leaf borer Agromyzidae Ophiomyia cunctata
leaf down Erysiphales Golovinomyces cichoracearum
leaf down Erysiphales Leveillula picridis
leaf down Erysiphales Neoërysiphe nevoi
leaf leaf spot Entylomatales Entyloma picridis
leaf gall Agromyzidae Phytomyza cecidonomia
leaf gall Agromyzidae Phytomyza picridocecis
leaf gall Cecidomyiidae Contarinia picridis
leaf gall Eriophyidae Aceria picridis
leaf gall Taphrinales Protomyces helminthiae
leaf gall Taphrinales Protomyces picridis
leaf miner Agromyzidae Chromatomyia syngenesiae
leaf miner Agromyzidae Liriomyza bryoniae
leaf miner Agromyzidae Liriomyza sonchi
leaf miner Agromyzidae Liriomyza strigata
leaf miner Agromyzidae Liriomyza trifolii
leaf miner Agromyzidae Ophiomyia pulicaria
leaf miner Agromyzidae Phytomyza marginella
leaf miner Curculionidae Orthochaetes insignis
leaf miner Tephritidae Trypeta immaculata
leaf pustule Albuginales Pustula obtusata
leaf pustule uredinia telia Pucciniales Puccinia picridis
leaf pustule uredinia telia Pucciniales Coleosporium sonchi
leaf vagrant summer generation Aphididae Nasonovia ribisnigri
stem borer Agromyzidae Napomyza lateralis
stem gall Asterolecaniidae Planchonia arabidis
stem gall Cynipidae Phanacis caulicola
root gall Meloidogynidae Meloidogyne hapla
root vagrant Aphididae Trama caudata
flower vagrant summer generation Aphididae Hyperomyzus lactucae
root collar vagrant Aphididae Aphis pilosellae
root collar vagrant Aphididae Aphis picridis
root collar vagrant Aphididae Protaphis picridicola
flower vagrant Aphididae Uroleucon picridis
stem vagrant Aphididae Uroleucon sonchi
root collar vagrant Aphididae Aphis crepidis
leaf gall Aphididae Nasonovia compositellae nigra


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 22.x.2019