Plant Parasites of Europe

leafminers, galls and fungi

Thalictrum flavum

common meadow-rue

synonym: Thalictrum flavum subsp. glaucum, morisonii

organparasitic modestagenotetaxonomic groupparasite
rootvagrantChrysomelidaeLongitarsus brunneus
leafvagrantChrysomelidaeGaleruca laticollis
leafvagrantGelechiidaeEthmia chrysopygella
leafvagrantTenthredinidaePristiphora thalictri
leafvagrantTenthredinidaePristiphora brevis
leafvagrantTenthredinidaePristiphora thalictrivora
root collarborerlarvaRhynchitidaeHaplorhynchites pubescens
stemborerAgromyzidaeCalycomyza subapproximata
stemminerAgromyzidaeOphiomyia ivinskisi
stemminerAgromyzidaeOphiomyia aquilegiana
fruitgallCecidomyiidaeAmetrodiplosis thalictricola
budgallCecidomyiidaeJaapiella thalictri
leafdownErysiphalesErysiphe aquilegiae var ranunculi
leafleaf spotEntylomatalesEntyloma thalictri
leafminerAgromyzidaeLiriomyza thalictri
leafminerAgromyzidaePhytomyza aquilegiae
leafminerAgromyzidaePhytomyza minuscula
leafminerAgromyzidaePhytomyza thalictricola
leafpustuleChytridialesSynchytrium aureum
leafpustuleaeciaPuccinialesAecidium thalictri
leafpustuleaeciaPuccinialesPuccinia actaeae-elymi
leafpustuleaeciaPuccinialesPuccinia agropyrina
leafpustuleaeciaPuccinialesPuccinia alternans
leafpustuleaeciaPuccinialesPuccinia persistens
leafpustuleaeciaPuccinialesPuccinia triticina
leafpustuleteliaPuccinialesTranzschelia thalictri
leafvagrantsummer generationAphididaeLongicaudus trirhodus
leafpustuleUrocystidalesUrocystis sorosporioides
leafvagrantAphididaeAphis thalictri


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.


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