organ parasitic mode stage note taxonomic group parasite
root borer larva Curculionidae Calosirus apicalis
stem borer larva Curculionidae Lixus paraplecticus
stem borer Agromyzidae Melanagromyza nigrissima
stem borer Agromyzidae Melanagromyza chaerophylli
stem borer Agromyzidae Melanagromyza sativae
stem miner Agromyzidae Phytomyza glabra
leaf vagrant summer generation Aphididae Aphis fabae fabae
systemic borer Anguinidae Ditylenchus dipsaci
systemic gall Eriophyidae Epitrimerus anthrisci
fruit gall Cecidomyiidae Kiefferia pericarpiicola
flower gall Cecidomyiidae Lasioptera carophila
flower vagrant Aphididae Macrosiphum gei
leaf down Erysiphales Erysiphe heraclei
leaf down Peronosporales Plasmopara chaerophylli
leaf gall Aphididae Semiaphis anthrisci
leaf gall Taphrinales Protomyces macrosporus
leaf gall doubtful Triozidae Trioza apicalis
leaf miner Agromyzidae Liriomyza trifolii
leaf miner Agromyzidae Phytomyza chaerophylli
leaf miner Depressariidae Agonopterix purpurea
leaf miner Epermeniidae Epermenia aequidentellus
leaf miner Epermeniidae Epermenia chaerophyllella
leaf miner Tephritidae Euleia heraclei
leaf pustule Chytridiales Synchytrium aureum
leaf pustule aecia Pucciniales Puccinia polygoni-alpini
leaf pustule aecia uredinia telia Pucciniales Puccinia chaerophylli
leaf pustule telia Pucciniales Puccinia dolomitica
leaf pustule telia Pucciniales Puccinia svendsenii
leaf vagrant summer generation Aphididae Aphis fabae
leaf vagrant summer generation Aphididae Dysaphis anthrisci
leaf vagrant Triozidae Trioza anthrisci
stem borer Agromyzidae Napomyza carotae
stem borer Agromyzidae Napomyza lateralis
stem borer Cerambycidae Phytoecia cylindrica
stem borer Curculionidae Calosirus terminatus
stem gall main Curculionidae Lixus iridis
root vagrant summer generation Aphididae Dysaphis crataegi crataegi
root collar vagrant Aphididae Dysaphis hirsutissima
flower vagrant Aphididae Macrosiphum gei
leaf vagrant Aphididae Aphis brohmeri
leaf vagrant summer generation Aphididae Hyadaphis foeniculi
leaf vagrant summer generation rarely Aphididae Dysaphis angelicae
leaf vagrant summer generation Aphididae Cavariella aegopodii

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.

 

mod 10.vi.2019