bulbous buttercup

organ parasitic mode stage note taxonomic group parasite
leaf miner younger larva Tortricidae Cnephasia longana
flower hidden older larva Tortricidae Cnephasia longana
leaf leaf spot doubtful Entylomatales Entyloma microsporum
leaf leaf spot Entylomatales Entyloma eburneum
unknown borer Syrphidae Cheilosia ranunculi
leaf leaf spot Capnodiales Ramularia didyma
leaf leaf spot Capnodiales Ramularia simplex
leaf vagrant summer generation Aphididae Aphis fabae
stem miner Agromyzidae Phytomyza caulinaris
systemic borer Anguinidae Ditylenchus dipsaci
flower gall Cecidomyiidae Dasineura traili
leaf down Erysiphales Erysiphe aquilegiae var ranunculi
leaf down Peronosporales Peronospora ranunculi
leaf gall Cecidomyiidae Dasineura ranunculi
leaf miner Agromyzidae Phytomyza notata
leaf miner Agromyzidae Phytomyza ranunculi
leaf miner Agromyzidae Phytomyza ranunculicola
leaf miner Agromyzidae Phytomyza stolonigena
leaf miner Tenthredinidae Pseudodineura fuscula
leaf pustule aecia Pucciniales Aecidium ranunculi-acris
leaf pustule aecia Pucciniales Puccinia magnusiana
leaf pustule aecia Pucciniales Uromyces dactylidis
leaf pustule aecia Pucciniales Uromyces festucae
leaf pustule aecia Pucciniales Uromyces poae
leaf pustule Urocystidales Urocystis ranunculi
root collar vagrant summer generation Aphididae Dysaphis ranunculi
root collar vagrant summer generation Aphididae Thecabius affinis
root vagrant Aphididae Protrama ranunculi


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 17.xi.2019