synonym: Athyrium alpestre Clairv.

organ parasitic mode stage note taxonomic group parasite
leaf borer Anthomyiidae Chirosia betuleti
leaf borer Anthomyiidae Chirosia cinerosa
leaf borer Anthomyiidae Chirosia griseifrons
leaf leaf spot Taphrinales Taphrina athyrii
leaf gall Platygloeales Herpobasidium filicinum
leaf miner Anthomyiidae Chirosia histricina
leaf miner Tenthredinidae Aneugmenus coronatus
leaf pustule Chytridiales Synchytrium athyrii
leaf vagrant Aphididae Amphorophora ampullata
leaf vagrant Aphididae Macrosiphum dryopteridis
stem borer main Blasticotomidae Blasticotoma filiceti
stem borer Tenthredinidae Heptamelus ochroleucus
leaf vagrant main Aphididae Amphorophora ampullata
leaf vagrant Aphididae Aulacorthum solani


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.