Plant Parasites of Europe

leafminers, galls and fungi

Eriophorum vaginatum

hare’s-tail cottongrass

organ parasitic mode stage note taxonomic group parasite
stem borer UNKNOWN QUALIFIER Noctuidae Celaena haworthii
stem borer Chloropidae Aphanotrigonum trilineatum
flower borer Chloropidae Pseudopachychaeta ruficeps
leaf vagrant Nymphalidae Coenonympha tullia
leaf vagrant Cicadellidae Cicadula quinquenotata
leaf vagrant doubtful Cicadellidae Cosmotettix evanescens
leaf vagrant Cicadellidae Macustus grisescens
leaf vagrant Cicadellidae Paraliburnia clypealis
leaf vagrant Delphacidae Kelisia vittipennis
leaf vagrant Caliscelidae Ommatidiotus dissimilis
leaf vagrant Cicadellidae Sorhoanus xanthoneurus
leaf vagrant Cicadellidae Cosmotettix panzeri
leaf vagrant Delphacidae Nothodelphax distinctus
leaf scale Eriococcidae Rhizococcus palustris
leaf vagrant Eriophyidae Epitrimerus roivaineni
leaf borer Phytoptidae Novophytoptus rostratae
flower borer Glyphipterigidae Glyphipterix haworthana
leaf miner Elachistidae Elachista kilmunella
leaf miner doubtful Elachistidae Elachista leifi
leaf miner Elachistidae Elachista serricornis
leaf vagrant summer generation Aphididae Ceruraphis eriophori
root vagrant summer generation Aphididae Colopha compressa
leaf vagrant rarely Aphididae Vesiculaphis theobaldi


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.


Last modified 15.ix.2021