organ parasitic mode stage note taxonomic group parasite
root collar borer Gelechiidae Ethmia aurifluella
leaf hidden Tortricidae Lobesia artemisiana
leaf hidden doubtful Gelechiidae Ethmia bipunctella
leaf hidden rarely Tortricidae Pandemis heparana
leaf miner younger larva Tortricidae Cnephasia asseclana
leaf hidden older larva Tortricidae Cnephasia asseclana
leaf vagrant Eriophyidae Shevtchenkella anchusae
root borer larva Chrysomelidae Longitarsus anchusae
stem borer larva Curculionidae Mogulones asperifoliarum
root borer larva Curculionidae Mogulones javetii
leaf vagrant summer generation Aphididae Myzus persicae
leaf miner Agromyzidae Chromatomyia horticola
root collar vagrant Aphididae Brachycaudus bicolor
leaf vagrant summer generation Aphididae Aphis fabae
flower gall Eriophyidae Anthocoptes aspidophorus
flower gall Tingidae Dictyla echii
leaf down Erysiphales Erysiphe lycopsidis
leaf down Erysiphales Golovinomyces cynoglossi complex
leaf gall Aphelenchoididae Aphelenchoides fragariae
leaf miner Agromyzidae Agromyza abiens
leaf miner Agromyzidae Agromyza myosotidis
leaf miner Coleophoridae Coleophora pennella
leaf miner Crambidae Cynaeda dentalis
leaf miner Crambidae Cynaeda gigantea
leaf miner Crambidae Epascestria pustulalis
leaf miner Gracillariidae Dialectica scalariella
leaf pustule aecia Pucciniales Puccinia recondita
leaf pustule aecia Pucciniales Puccinia symphyti-bromorum
leaf pustule aecia Pucciniales Puccinia aegilopis
leaf vagrant summer generation Aphididae Brachycaudus helichrysi
root collar gall Actinomycetales Rhodococcus fascians
root collar gall Curculionidae Pachycerus segnis
leaf vagrant Aphididae Macrosiphum euphorbiae
leaf vagrant summer generation Aphididae Brachycaudus cardui
leaf vagrant Aphididae Ovatomyzus boraginacearum
leaf vagrant Aphididae Myzus ascalonicus
leaf vagrant Aphididae Aulacorthum solani
leaf vagrant Aphididae Brachycaudus mordvilkoi


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 15.ii.2020