Plant Parasites of Europe

leafminers, galls and fungi

Poa nemoralis

wood meadowgrass

synonym: Poa firmula

organparasitic modestagenotetaxonomic groupparasite
stemborerAnthomyzidaeStiphrosoma sabulosum
stemborerAnthomyzidaeStiphrosoma laetum
leafvagrantdoubtfulCicadellidaeHardya tenuis
leafvagrantDelphacidaeEurysa lineata
leafvagrantDelphacidaeEurysa brunnea
leafvagrantDelphacidaeStiroma affinis
leafvagrantdoubtfulDelphacidaeEurysella brunnea
flowerhiddenThripidaeChirothrips ambulans
stemborerChloropidaeConioscinella frontella
stemborerChloropidaeConioscinella livida
stemborerChloropidaeConioscinella obscuripila
leafpustuleuredinia teliaPuccinialesPuccinia coronata
flowergallAnguinidaeAnguina agrostis
flowergallTilletialesTilletia poae
leafdownErysiphales ErysiphaceaeBlumeria graminis
leafdownPeronosporalesSclerospora graminicola
leafgallTilletialesTilletia transiliensis
leafminerAgromyzidaeCerodontha atronitens
leafminerAgromyzidaeCerodontha muscina
leafminerAgromyzidaeLiriomyza flaveola
leafminerElachistidaeElachista apicipunctella
leafminerElachistidaeElachista bedellella
leafminerElachistidaeElachista bifasciella
leafminerElachistidaeElachista exactella
leafpustuleuredinia teliaPuccinialesPuccinia graminis
leafpustuleuredinia teliaPuccinialesPuccinia petasites-poarum
leafpustuleuredinia teliaPuccinialesPuccinia poae-aposeridis
leafpustuleuredinia teliaPuccinialesPuccinia poae-nemoralis
leafpustuleuredinia teliaPuccinialesPuccinia poarum
leafpustuleuredinia teliaPuccinialesUromyces poae
leafstripeuredinia teliaPuccinialesPuccinia pseudostriiformis
leafstripeTilletialesTilletia sterilis
leafstripeUrocystidalesUrocystis poae
leafstripeUstilaginalesUstilago striiformis
stemdownHypocrealesEpichloe typhina
stemdownHypocrealesEpichloe poae
stemgallCecidomyiidaeMayetiola destructor
stemgallCecidomyiidaeMayetiola graminis
stemgallEurytomidaeTetramesa poae
root collargallCecidomyiidaeMayetiola joannisi
root collargallCecidomyiidaeMayetiola radicifica
leafvagrantAphididaeSitobion avenae

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.

 

Last modified 14.iii.2021