common stork’s-bill

synonym: Erodium aethiopicum, cicutarium subsp. bipinnatum + dunense, glutinosum, praecox

organ parasitic mode stage note taxonomic group parasite
flower borer Pterophoridae Amblyptilia punctidactyla
root vagrant larva Curculionidae Coniocleonus nigrosuturatus
root collar borer larva Curculionidae Lixus vilis
leaf vagrant Aphididae Macrosiphum euphorbiae
leaf leaf spot Capnodiales Ramularia geranii
leaf vagrant summer generation Aphididae Aphis fabae
systemic borer Anguinidae Ditylenchus dipsaci
fruit gall Cecidomyiidae Dasineura geranii
flower gall Curculionidae Limobius borealis
leaf down Erysiphales Erysiphe geraniacearum
leaf down Erysiphales Podosphaera erodii
leaf down doubtful Peronosporales Peronospora conglomerata
leaf down Peronosporales Peronospora erodii
leaf down Peronosporales Plasmopara wilsonii
leaf miner Buprestidae Habroloma triangulare
leaf miner Lycaenidae Aricia agestis
leaf pustule Chytridiales Synchytrium papillatum
leaf pustule aecia Pucciniales Aecidium erodii-cicutarii
leaf pustule aecia Pucciniales Puccinia polygoni-amphibii
leaf pustule aecia uredinia telia Pucciniales Uromyces geranii
root collar gall Eriophyidae Aceria schlechtendali
root gall Meloidogynidae Meloidogyne hapla
leaf vagrant Aphididae Acyrthosiphon malvae malvae


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.


mod 1.ix.2019