Plant Parasites of Europe

leafminers, galls and fungi

Schedonorus giganteus

giant fescue

synonym: Bromus giganteus; Festuca gigantea; Lolium giganteum

organparasitic modestagenotetaxonomic groupparasite
leafleaf spotMycosphaerellaceaeRamularia gracilispora
flowervagrantNoctuidaeApamea remissa
leafhiddenHesperiidaeCarterocephalus palaemon
inquilineEurytomidaeEurytoma palustris
fruitgallHypocrealesClaviceps purpurea
leafdownErysiphales ErysiphaceaeBlumeria graminis
leaffilmUstilaginalesTranzscheliella hypodytes
leafgallEriophyidaeAbacarus hystrix
leafminerAgromyzidaeCerodontha denticornis
leafminerAgromyzidaeCerodontha flavocingulata
leafminerAgromyzidaeCerodontha incisa
leafminerAgromyzidaeCerodontha muscina
leafminerAgromyzidaeCerodontha pygmaea
leafminerAgromyzidaeChromatomyia fuscula
leafminerAgromyzidaeLiriomyza flaveola
leafminerAgromyzidaePseudonapomyza atra
leafminerElachistidaeElachista adscitella
leafminerElachistidaeElachista apicipunctella
leafminerElachistidaeElachista bifasciella
leafminerElachistidaeElachista luticomella
leafpustuleCantharellalesCeratorhiza rhizodes
leafpustuleuredinia teliaPuccinialesPuccinia coronata
leafpustuleuredinia teliaPuccinialesPuccinia festucae
leafpustuleuredinia teliaPuccinialesPuccinia graminis
leafstripeuredinia teliaPuccinialesPuccinia striiformis
leafstripeUrocystidalesUrocystis ulei
stemdownHypocrealesEpichloe festucae
stemgallCecidomyiidaeLasioptera calamagrostidis
stemgallChloropidaeOscinella festucae
stemgallEurytomidaeTetramesa giraudi
rootvagrantsummer generationAphididaeTetraneura ulmi
leafvagrantAphididaeSitobion avenae
leafvagrantsummer generationAphididaeSitobion fragariae


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 27.vii.2022