organ parasitic mode stage note taxonomic group parasite
leaf hidden Tortricidae Cnephasia incertana
stem vagrant Delphiniobium junackianum
unknown borer Unknown code! Curculionidae Ranunculiphilus italicus
unknown borer Unknown code! Curculionidae Ranunculiphilus faeculentus
leaf bud borer Unknown code! Curculionidae Ranunculiphilus obscurus
unknown borer Unknown code! Curculionidae Ranunculiphilus pseudinclemens
fruit borer larva Nemonychidae Nemonyx lepturoides
flower borer adult Nemonychidae Nemonyx lepturoides
systemic borer Anguinidae Ditylenchus dipsaci
leaf down Erysiphales Erysiphe aquilegiae var ranunculi
leaf down Erysiphales Leveillula taurica
leaf down Erysiphales Podosphaera delphinii
leaf down Peronosporales Peronospora consolidae
leaf leaf spot Entylomatales Entyloma winteri
leaf miner Agromyzidae Ophiomyia delphinii
leaf miner Agromyzidae Phytomyza aconitella
leaf miner Agromyzidae Phytomyza aconiti
leaf miner Agromyzidae Phytomyza aconitophila
leaf pustule aecia Pucciniales Puccinia cynodontis
leaf pustule aecia Pucciniales Puccinia actaeae-agropyri
leaf pustule aecia Pucciniales Puccinia actaeae-elymi
leaf pustule uredinia telia Pucciniales Cronartium flaccidum
leaf pustule telia Pucciniales Uromyces delphinii
leaf pustule Urocystidales Urocystis delphinii
stem gall Curculionidae Thamnurgus delphinii
root collar gall Actinomycetales Rhodococcus fascians
root gall Meloidogynidae Meloidogyne hapla
flower vagrant Aphididae Brachycaudus aconiti
stem vagrant Aphididae Brachycaudus napelli
flower vagrant Aphididae Brachycaudus aconiti

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.

 

mod 10.xi.2019