Plant Parasites of Europe

leafminers, galls and fungi

genus Thalictrum

organ parasitic mode stage note taxonomic group parasite
leaf vagrant Noctuidae Periphanes cora
leaf vagrant Gelechiidae Ethmia discrepitella
flower vagrant Gelechiidae Ethmia pyrausta
leaf vagrant Geometridae Horisme calligraphata
flower vagrant Geometridae Gagitodes sagittata
leaf leaf spot Pleosporaceae Alternaria thalictrina
leaf leaf spot Mycosphaerellaceae Passalora thalictri
leaf leaf spot Mycosphaerellaceae Passalora thalictrina
leaf leaf spot Davidiellaceae Heterosporium savulescui
leaf leaf spot Ascomycota incertae sedis Haplobasidion thalictri
leaf leaf spot Helotiales incertae sedis Cylindrosporium thalictrinum
leaf leaf spot Phyllostictaceae Phyllosticta leucosticta
leaf leaf spot Massarinaceae Stagonospora thalictri
leaf leaf spot Dothideomycetes incertae sedis Asteromella thalictrina
systemic pustule Sclerotiniaceae Sclerotinia sclerotiorum
leaf leaf spot Mycosphaerellaceae Pseudocercosporella thalictri
leaf leaf spot Marssonina actaeae
leaf leaf spot Didymellaceae Ascochyta savulescui
leaf vagrant Geometridae Dysstroma truncata
leaf vagrant Noctuidae Plusidia cheiranthi
leaf scale Aleyrodidae Aleyrodes lonicerae
leaf vagrant Noctuidae Panchrysia v-argenteum
leaf vagrant Noctuidae Polia nebulosa
leaf vagrant Noctuidae Panchrysia aurea
predator Cecidomyiidae Lestodiplosis aestiva
inquiline Cecidomyiidae Lestodiplosis thalictrina
leaf vagrant Noctuidae Euchalcia variabilis
leaf vagrant Erebidae Calyptra thalictri
leaf vagrant Geometridae Apochima flabellaria
leaf vagrant Erebidae Calyptra thalictri
flower vagrant Geometridae Eupithecia addictata
flower vagrant Geometridae Eupithecia thalictrata
leaf vagrant Geometridae Horisme calligraphata
leaf vagrant Geometridae Eupithecia actaeata
flower vagrant Geometridae Eupithecia absinthiata
leaf vagrant Geometridae Cleora cinctaria
flower vagrant Geometridae Gagitodes sagittata
leaf vagrant Noctuidae Lamprotes c-aureum
leaf vagrant Cicadellidae Eupteryx atropunctata
leaf vagrant Cicadellidae Micantulina micantula
leaf vagrant adult Cercopidae Cercopis sanguinolenta
flower hidden Thripidae Thrips flavus
root vagrant Chrysomelidae Longitarsus apicalis
root vagrant Chrysomelidae Longitarsus brunneus
leaf vagrant Chrysomelidae Galeruca dahlii
leaf vagrant Chrysomelidae Galeruca laticollis
leaf vagrant Tenthredinidae Tenthredo moniliata
leaf vagrant Tenthredinidae Pristiphora rufipes
leaf vagrant Gelechiidae Ethmia chrysopygella
leaf vagrant Tenthredinidae Pristiphora brevis
leaf vagrant Tenthredinidae Pristiphora thalictrivora
leaf vagrant Tenthredinidae Pristiphora sareptana
leaf hidden Tortricidae Pandemis dumetana
leaf vagrant Tenthredinidae Pristiphora thalictri
leaf hidden Tortricidae Cnephasia pasiuana
root collar borer larva Rhynchitidae Haplorhynchites pubescens
flower gall Agromyzidae Phytomyza thalictri
flower borer Agromyzidae Phytomyza murina
stem miner Agromyzidae Ophiomyia thalictricaulis
stem miner Agromyzidae Ophiomyia definita
stem borer Agromyzidae Calycomyza subapproximata
stem miner Agromyzidae Ophiomyia ivinskisi
leaf borer Agromyzidae Phytomyza jonaitisi
stem miner Agromyzidae Ophiomyia aquilegiana
fruit gall Cecidomyiidae Ametrodiplosis thalictricola
bud gall Cecidomyiidae Jaapiella thalictri
leaf down Erysiphales Erysiphe aquilegiae var aquilegiae
leaf down Erysiphales Erysiphe aquilegiae var ranunculi
leaf down Erysiphales Leveillula taurica
leaf down Erysiphales Podosphaera thalictri
leaf down Peronosporales Plasmoverna alpina
leaf leaf spot Entylomatales Entyloma thalictri
leaf gall doubtful Cecidomyiidae Dasineura bragancae
leaf gall Eriophyidae Phyllocoptes jaapi
leaf gall Eriophyidae Phyllocoptes thalictri
leaf miner Agromyzidae Liriomyza thalictri
leaf miner Agromyzidae Phytomyza albifrons
leaf miner Agromyzidae Phytomyza aquilegiae
leaf miner Agromyzidae Phytomyza camuna
leaf miner Agromyzidae Phytomyza minuscula
leaf miner Agromyzidae Phytomyza thalictricola
leaf pustule Chytridiales Synchytrium aureum
leaf pustule aecia Pucciniales Puccinia borealis
leaf pustule aecia Pucciniales Puccinia elymi
leaf pustule aecia doubtful Pucciniales Puccinia hierochloina
leaf pustule aecia Pucciniales Puccinia persistens
leaf pustule aecia Pucciniales Puccinia septentrionalis
leaf pustule aecia Pucciniales Puccinia thalictri-distichophylli
leaf pustule aecia Pucciniales Puccinia thalictri-koeleriae
leaf pustule aecia Pucciniales Puccinia triticina
leaf pustule aecia Pucciniales Aecidium thalictri
leaf pustule aecia Pucciniales Puccinia actaeae-agropyri
leaf pustule aecia Pucciniales Puccinia actaeae-elymi
leaf pustule aecia Pucciniales Puccinia agropyrina
leaf pustule aecia Pucciniales Puccinia alternans
leaf pustule telia Pucciniales Tranzschelia thalictri
leaf pustule telia Pucciniales Puccinia rhytismoides
leaf pustule Urocystidales Urocystis sorosporioides
leaf vagrant Aphididae Aphis thalictri
leaf vagrant summer generation Aphididae Longicaudus trirhodus
inquiline Cecidomyiidae Blastodiplosis thalictricina
leaf vagrant Aphididae Macrosiphum euphorbiae
leaf vagrant Aphididae Nasonovia altaensis


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 11.iv.2023