synonym: Chrysanthemum, Pyrethrum, corymbiferum, corymbosum

organ parasitic mode stage note taxonomic group parasite
flower borer Gelechiidae Isophrictis anthemidella
flower hidden Elachistidae Exaeretia culcitella
flower borer Gelechiidae Isophrictis striatella
leaf hidden Elachistidae Depressaria olerella
root borer doubtful Tortricidae Dichrorampha petiverella
leaf hidden Tortricidae Sparganothis pilleriana
flower gall doubtful Gelechiidae Metzneria aestivella
leaf bud borer rarely Pterophoridae Gillmeria pallidactyla
leaf gall Aphididae Uroleucon tanaceti
leaf vagrant Aphididae Metopeurum fuscoviride
root vagrant Aphididae Aphis vandergooti
fruit vagrant Coleophoridae Coleophora achaenivora
leaf vagrant summer generation Aphididae Aphis fabae
fruit gall Cecidomyiidae Ozirhincus hungaricus
flower borer Tephritidae Tephritis dioscurea
flower borer Tephritidae Tephritis tanaceti
leaf down Erysiphales Golovinomyces macrocarpus
leaf down Erysiphales Golovinomyces orontii
leaf down Peronosporales Paraperonospora tanaceti
leaf gall Aphididae Macrosiphoniella miestingeri
leaf miner Agromyzidae Liriomyza strigata
leaf miner Agromyzidae Liriomyza tanaceti
leaf miner Agromyzidae Phytomyza leucanthemi
leaf miner Agromyzidae Phytomyza tanaceti
leaf miner Coleophoridae Coleophora chrysanthemi
leaf miner Coleophoridae Coleophora trochilella
leaf miner Gelechiidae Scrobipalpa chrysanthemella
leaf miner Gelechiidae Scrobipalpa voltinella
leaf miner Tephritidae Trypeta artemisiae
leaf pustule uredinia telia Pucciniales Puccinia pyrethri
root collar gall Tephritidae Oxyna nebulosa
stem vagrant rarely Aphididae Uroleucon minus
leaf gall Aphididae Macrosiphoniella tanacetaria


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 29.ii.2020