Plant Parasites of Europe

leafminers, galls and fungi

genus Geum

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot Ascomycota incertae sedis Graphiothecium gei
leaf leaf spot Zythiaceae Zythia fragariae
leaf leaf spot Mycosphaerellaceae Septoria protearum
leaf leaf spot Mycosphaerellaceae Pseudocercospora geicola
predator Miridae Dicyphus flavoviridis
leaf vagrant adult Curculionidae Paophilus afflatus
root vagrant larva Curculionidae Otiorhynchus sulcatus
leaf vagrant adult Curculionidae Otiorhynchus coecus
leaf vagrant adult Curculionidae Phyllobius viridicollis
leaf vagrant adult Curculionidae Otiorhynchus carinatopunctatus
leaf vagrant adult Curculionidae Otiorhynchus pinastri
leaf vagrant adult Curculionidae Otiorhynchus krattereri
leaf vagrant Noctuidae Xestia triangulum
leaf leaf spot Dothideales Pseudocercosporella gei
leaf vagrant Noctuidae Orthosia gothica
leaf vagrant Geometridae Xanthorhoe montanata
leaf vagrant Noctuidae Agrochola litura
leaf vagrant doubtful Noctuidae Athetis lepigone
leaf vagrant Noctuidae Charanyca ferruginea
leaf hidden Tortricidae Notocelia uddmanniana
leaf hidden Tortricidae Clepsis rogana
leaf vagrant Geometridae Dysstroma truncata
leaf hidden Hesperiidae Pyrgus malvae
leaf hidden Hesperiidae Pyrgus malvoides
leaf hidden Hesperiidae Pyrgus serratulae
leaf hidden Hesperiidae Pyrgus cacaliae
leaf gall Taphrinales Taphrina gei-montani
leaf pustule telia Pucciniales Puccinia tatrensis
unknown unknown Curculionidae Scleropterus offensus
leaf vagrant Tetranychidae Bryobia praetiosa
root vagrant Chrysomelidae Batophila rubi
leaf vagrant Chrysomelidae Galerucella tenella
leaf vagrant doubtful Triozidae Bactericera harrisoni
leaf vagrant Tenthredinidae Perineura rubi
leaf vagrant doubtful Tenthredinidae Empria tridens
leaf vagrant Tenthredinidae Pachyprotasis nigronotata
leaf vagrant doubtful Tenthredinidae Claremontia tenuicornis
leaf vagrant Tenthredinidae Claremontia uncta
leaf vagrant Tenthredinidae Monophadnoides rubi
leaf vagrant Tenthredinidae Empria parvula
leaf vagrant Tenthredinidae Empria basalis
leaf vagrant Tenthredinidae Claremontia waldheimii
leaf vagrant Tenthredinidae Empria pravei
leaf vagrant Tenthredinidae Empria liturata
leaf vagrant Tenthredinidae Empria sexpunctata
leaf vagrant Tenthredinidae Pristiphora pallidiventris
leaf hidden Tortricidae Pandemis cerasana
leaf miner younger larva Tortricidae Cnephasia asseclana
leaf hidden older larva Tortricidae Cnephasia asseclana
leaf hidden Tortricidae Cnephasia incertana
leaf hidden Tortricidae Acleris aspersana
leaf miner doubtful Incurvariidae Alloclemensia mesospilella
leaf vagrant Tortricidae Acleris comariana
leaf vagrant Eriophyidae Liroella gei
flower borer Pterophoridae Geina didactyla
root collar borer Syrphidae Cheilosia pubera
unknown unknown larva Curculionidae Scleropterus serratus
stem borer larva Rhynchitidae Neocoenorrhinus germanicus
leaf scale Aleyrodidae Aleyrodes lonicerae
leaf vagrant summer generation Aphididae Aphis fabae fabae
leaf leaf spot Capnodiales Sphaerulina gei
leaf leaf spot Capnodiales Ramularia gei
leaf vagrant Aphididae Aulacorthum solani
leaf vagrant Aphididae Acyrthosiphon malvae malvae
flower gall Cecidomyiidae Geomyia alpina
flower gall Curculionidae Anthonomus rubi
flower vagrant main Aphididae Macrosiphum gei
leaf down Erysiphales Podosphaera aphanis
leaf down Peronosporales Peronospora gei
leaf gall Cecidomyiidae Contarinia gei
leaf gall Eriophyidae Cecidophyes nudus
leaf gall Eriophyidae Epitrimerus urbanus
leaf gall Taphrinales Taphrina potentillae
leaf miner Agromyzidae Agromyza idaeiana
leaf miner doubtful Coleophoridae Coleophora ahenella
leaf miner Coleophoridae Coleophora potentillae
leaf miner Incurvariidae Incurvaria praelatella
leaf miner Nepticulidae Stigmella aurella
leaf miner Nepticulidae Stigmella geimontani
leaf miner Nepticulidae Stigmella pretiosa
leaf miner Nepticulidae Stigmella splendidissimella
leaf miner Tenthredinidae Metallus lanceolatus
leaf pustule Chytridiales Synchytrium aureum
leaf pustule aecia telia Pucciniales Phragmidium circumvallatum
leaf vagrant spring generation rarely Aphididae Sitobion fragariae
leaf vagrant Eriophyidae Epitrimerus rivalis
leaf vagrant Triozidae Bactericera bohemica
leaf vagrant doubtful Aphididae Acyrthosiphon malvae potha
leaf vagrant Aphididae Ovatomyzus boraginacearum
leaf vagrant Aphididae Myzus ornatus
leaf vagrant Aphididae Chaetosiphon janetscheki
leaf vagrant Aphididae Amphorophora gei

Organ

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.

PARASITIC MODE

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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IMPORTANT

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 19.x.2022