synonym: Salix dasyclados, ferruginea, stipularis

organ parasitic mode stage note taxonomic group parasite
stem gall Xanthomonadales Xanthomonas populi
stem borer larva Rhynchitidae Neocoenorrhinus germanicus
stem borer Sesiidae Sesia bembeciformis
leaf gall Tenthredinidae Euura anglica
leaf gall Tenthredinidae Euura scotaspis
leaf gall Tenthredinidae Euura piliserra
leaf miner Coleophoridae Coleophora lusciniaepennella
leaf miner Curculionidae Isochnus sequensi
leaf miner Gracillariidae Caloptilia stigmatella
leaf miner Nepticulidae Ectoedemia intimella
leaf pustule uredinia telia rarely Pucciniales Melampsora caprearum
leaf pustule uredinia telia Pucciniales Melampsora epitea
leaf pustule uredinia telia rarely Pucciniales Melampsora laricis-epitea
stem vagrant Aphididae Pterocomma pilosum
leaf vagrant rarely Aphididae Chaitophorus salicti
leaf vagrant Aphididae Chaitophorus horii beuthani
stem vagrant Aphididae Pterocomma rufipes


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 11.xii.2019