Plant Parasites of Europe

leafminers, galls and fungi

Tripleurospermum inodorum

scentless mayweed

synonym: Matricaria inodora, perforata; Tripleurospermum maritimum subsp. inodorum, perforatum

organparasitic modestagenotetaxonomic groupparasite
leafvagrantCixiidaePentastiridius leporinus
rootvagrantChrysomelidaeLongitarsus ochroleucus
leafvagrantCurculionidaeNeoglanis intermedius
unknownunknownCurculionidaeMicroplontus edentulus
stemborerlarvaCurculionidaeMicroplontus rugulosus
root collarborerlarvaApionidaeDiplapion stolidum
flowerhiddenThripidaeThrips trehernei
leafvagrantChrysomelidaeCassida nobilis
stemborerTortricidaeCochylidia implicitana
rootborerlarvaCurculionidaeCoryssomerus capucinus
stemborerlarvaCurculionidaeMicroplontus molitor
stemborerlarvaCurculionidaeMicroplontus melanostigma
rootborerlarvaCurculionidaeCyphocleonus dealbatus
flowerborerlarvaCurculionidaePseudostyphlus pillumus
flowerborerlarvaApionidaeOmphalapion dispar
flowerborerlarvaApionidaeDiplapion detritum
stemvagrantdoubtfulAphididaeUroleucon sonchi
rootvagrantAphididaeTrama troglodytes
leafvagrantsummer generationAphididaeAphis fabae fabae
flowergalldoubtfulTephritidaeTephritis nigricauda
systemicborerAnguinidaeDitylenchus dipsaci
fruitgallCecidomyiidaeOzirhincus hungaricus
flowerborerTephritidaeTrupanea stellata
flowergallApionidaeOmphalapion hookerorum
flowergallApionidaeOmphalapion laevigatum
flowergallCecidomyiidaeOzirhincus longicollis
flowergallCecidomyiidaeRhopalomyia syngenesiae
leaf budgallCecidomyiidaeRhopalomyia tripleurospermi
leafdownErysiphalesGolovinomyces macrocarpus
leafdownErysiphalesPodosphaera erigerontis-canadensis
leafdownPeronosporalesParaperonospora leptosperma
leafdownPeronosporalesPeronospora radii
leafleaf spotEntylomatalesEntyloma matricariae
leafgallTaphrinalesProtomyces matricariae
leafminerAgromyzidaeChromatomyia syngenesiae
leafpustuleuredinia teliaPuccinialesPuccinia balsamitae
leafpustuleuredinia teliadoubtfulPuccinialesPuccinia absinthii
leafpustuleteliaPuccinialesPuccinia anthemidis
leafvagrantAphididaeColoradoa inodorella
leafvagrantrarelyAphididaeMetopeurum fuscoviride
leafvagrantsummer generationAphididaeAphis fabae
stemborermainAgromyzidaeNapomyza lateralis
stemborerAgromyzidaeOphiomyia curvipalpis
rootgallApionidaeDiplapion confluens
rootgallMeloidogynidaeMeloidogyne hapla
leafvagrantsummer generationAphididaeBrachycaudus helichrysi
leafvagrantsummer generationAphididaeBrachycaudus cardui
rootvagrantAphididaePemphigus fuscicornis
leafvagrantAphididaeAulacorthum solani
stemvagrantrarelyAphididaeAcyrthosiphon pisum
root collarvagrantAphididaeBrachycaudus lateralis
leafvagrantAphididaeMacrosiphoniella tapuskae
leafgallAphididaeMacrosiphoniella tanacetaria
stemvagrantAphididaeMacrosiphoniella abrotani


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 23.i.2021