Plant Parasites of Europe

leafminers, galls and fungi

Geranium sylvaticum

wood crane’s-bill

organ parasitic mode stage note taxonomic group parasite
flower gall Curculionidae Limobius borealis
leaf vagrant Thripidae Mycterothrips latus
flower hidden Thripidae Thrips dilatatus
flower hidden Thripidae Thrips vulgatissimus
leaf leaf spot Venturiaceae Venturia geranii
leaf leaf spot Didymellaceae Ascochyta geraniicola
leaf leaf spot Mycosphaerellaceae Pseudocercosporella magnusiana
leaf leaf spot Mycosphaerellaceae Passalora minutissima
predator Miridae Dicyphus constrictus
leaf vagrant Lycaenidae Aricia agestis
leaf vagrant Noctuidae Diarsia brunnea
leaf vagrant Noctuidae Xestia triangulum
root borer Cerambycidae Brachyta interrogationis
leaf vagrant Geometridae Xanthorhoe montanata
leaf vagrant doubtful Lycaenidae Cacyreus marshalli
leaf vagrant Lycaenidae Aricia nicias
leaf vagrant Lycaenidae Aricia eumedon
leaf vagrant larva Membracidae Centrotus cornutus
leaf vagrant larva Cicadellidae Bathysmatophorus reuteri
leaf vagrant Curculionidae Neoglanis ovalis
flower hidden Thripidae Taeniothrips picipes
leaf vagrant Tenthredinidae Macrophya albipuncta
leaf vagrant Cimbicidae Corynis obscura
leaf vagrant Tenthredinidae Ametastegia carpini
fruit borer larva Curculionidae Zacladus geranii
leaf gall Eriophyidae Aceria dolichosoma
leaf leaf spot Capnodiales Ramularia geranii
fruit gall Cecidomyiidae Dasineura geranii
leaf down Erysiphales Erysiphe geraniacearum
leaf down Erysiphales Podosphaera fugax
leaf down Peronosporales Plasmopara geranii-silvatici
leaf down Peronosporales Plasmopara praetermissa
leaf gall Eriophyidae Aceria geranii
leaf gall Eriophyidae Epitrimerus geranii
leaf miner Agromyzidae Agromyza nigrescens
leaf miner Tenthredinidae Fenella minuta
leaf miner Tenthredinidae Fenella monilicornis
leaf pustule aecia Pucciniales Puccinia polygoni-amphibii
leaf pustule aecia uredinia telia Pucciniales Uromyces geranii
leaf pustule telia Pucciniales Puccinia geranii-silvatici
leaf pustule telia Pucciniales Puccinia morthieri
leaf vagrant Aphididae Acyrthosiphon malvae malvae
leaf vagrant Aphididae Aulacorthum solani

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 27.xi.2023