Plant Parasites of Europe

leafminers, galls and fungi

Aster amellus

european michaelmas-daisy

synonym: Aster amelloides

organparasitic modestagenotetaxonomic groupparasite
leafvagrantTingidaeGaleatus spinifrons
leafpustuleteliadoubtfulPuccinialesPuccinia cnici-oleracei
flowervagrantNoctuidaeCucullia asteris
leafvagrantPyralidaeUdea ferrugalis
leafvagrantTenthredinidaePachyprotasis simulans
flowerhiddenPyralidaePhycitodes albatella
flowerborerdoubtfulTortricidaeEucosma aemulana
flowerhiddendoubtfulTortricidaeEucosma tripoliana
flowerborerTortricidaeEucosma fervidana
vagrantAphididaeUroleucon pachysiphon
fruitvagrantColeophoridaeColeophora obscenella
fruitvagrantColeophoridaeColeophora asteris
flowerborerTephritidaeCampiglossa loewiana
flowerborerTephritidaeTrupanea stellata
leafleaf spotEntylomatalesEntyloma bellidiastri
leafminerAgromyzidaeLiriomyza asteris
leafminerAgromyzidaeLiriomyza strigata
leafminerAgromyzidaeNemorimyza posticata
leafminerAgromyzidaeOphiomyia maura
leafminerAgromyzidaePhytomyza erigerophila
leafminerColeophoridaeColeophora amellivora
leafminerColeophoridaeColeophora autumnella
leafminerColeophoridaeColeophora conspicuella
leafminerColeophoridaeColeophora ramosella
leafminerColeophoridaeColeophora rectilineella
leafminerGelechiidaeGnorimoschema steueri
leafminerGelechiidaeScrobipalpula diffluella
leafminerGelechiidaeScrobipalpula psilella
leafminerGracillariidaeAristaea pavoniella
leafminerTortricidaeThiodia torridana
leafpustuleteliaPuccinialesPuccinia asteris
leafvagrantsummer generationAphididaeBrachycaudus helichrysi


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 16.ii.2022