Plant Parasites of Europe

leafminers, galls and fungi

genus Xeranthemum

organ parasitic mode stage note taxonomic group parasite
leaf vagrant doubtful Miridae Oncotylus viridiflavus
leaf vagrant Miridae Lygus gemellatus
leaf vagrant Miridae Orthops kalmii
leaf vagrant Miridae Plagiognathus bipunctatus
leaf vagrant Miridae Polymerus vulneratus
leaf vagrant Miridae Adelphocoris lineolatus
leaf miner Zygaenidae Jordanita graeca
flower borer Curculionidae Larinus sibiricus
unknown unknown Apionidae Ceratapion beckeri
unknown unknown Apionidae Ceratapion cylindricolle
root vagrant Chrysomelidae Longitarsus succineus
flower vagrant Eriophyidae Aceria bajani
unknown borer larva Apionidae Ceratapion longiclava
Aphididae Macrosiphoniella xeranthemi
flower vagrant Aphididae Uroleucon simile
stem vagrant Aphididae Aphis craccivora
leaf down Erysiphales Golovinomyces montagnei
leaf down Peronosporales Bremia lactucae
leaf miner Agromyzidae Liriomyza strigata
leaf miner Coleophoridae Coleophora onopordiella
leaf pustule Albuginales Pustula obtusata
leaf pustule telia Pucciniales Puccinia xeranthemi


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.


Last modified 26.iii.2022