Plant Parasites of Europe

leafminers, galls and fungi

Ochlopoa annua

annual meadowgrass

synonym: Poa annua

organparasitic modestagenotetaxonomic groupparasite
unknownunknownThripidaeProsopothrips nigriceps
rootborerChrysomelidaeChaetocnema chlorophana
leafvagrantChrysomelidaeOulema melanopus
leafvagrantTenthredinidaeDolerus anthracinus
leafvagrantTenthredinidaeDolerus puncticollis
stemborerChloropidaeMicrocercis trigonella
leafvagrantTenthredinidaeDolerus nigratus
rootborerGelechiidaeMegacraspedus dolosellus
stemgallAnguinidaeAnguina agropyri
root collargallAnguinidaeAnguina pacificae
leafvagrantAphididaeDiuraphis agrostidis
leafminerolder larvaColeophoridaeColeophora lixella
stemborerAnthomyiidaeDelia coarctata
rootvagrantsummer generationAphididaeForda marginata
leafvagrantAphididaeSchizaphis graminum
rootvagrantsummer generationAphididaeForda formicaria
systemicborerAnguinidaeDitylenchus dipsaci
flowergallAnguinidaeAnguina agrostis
leafdownErysiphales ErysiphaceaeBlumeria graminis
leafleaf spotGeorgefischerialesJamesdicksonia dactylidis
leafleaf spotGeorgefischerialesJamesdicksonia irregularis
leafgallEriophyidaeAbacarus hystrix
leafminerAgromyzidaeCerodontha muscina
leafminerAgromyzidaeChromatomyia fuscula
leafminerAgromyzidaeChromatomyia milii
leafminerAgromyzidaeChromatomyia nigra
leafminerAgromyzidaeLiriomyza flaveola
leafminerAgromyzidaeLiriomyza graminivora
leafminerdoubtfulElachistidaeElachista consortella
leafminerElachistidaeElachista freyerella
leafminerElachistidaeElachista pullicomella
leafpustuleuredinia teliaPuccinialesPuccinia poae-nemoralis
leafpustuleuredinia teliaPuccinialesPuccinia poarum
leafpustuleuredinia teliaPuccinialesUromyces poae
leafstripeuredinia teliaPuccinialesPuccinia pseudostriiformis
leafstripeUrocystidalesUrocystis poae
leafstripeUstilaginalesUstilago striiformis
stemgallChloropidaeOscinella frit
stemgallChloropidaeOscinella nitidissima
rootgallAnguinidaeSubanguina radicicola
rootvagrantsummer generationAphididaeAploneura lentisci
inquilineEriophyidaeAculodes dubius
leafvagrantAphididaeAtheroides serrulatus
leafvagrantAphididaeSipha glyceriae
leafvagrantsummer generationAphididaeMelanaphis pyraria
leafvagrantAphididaeSipha elegans
leafvagrantAphididaeSipha maydis
leafvagrantsummer generationAphididaeUtamphorophora humboldti
root collarvagrantsummer generationAphididaeRhopalomyzus poae
leafvagrantAphididaeAulacorthum circumflexum
leafvagrantsummer generationAphididaeSitobion fragariae
leafvagrantrarelyAphididaeSchizaphis agrostis
leafvagrantsummer generationAphididaeRhopalosiphum padi
leafvagrantAphididaeSchizaphis palustris
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 24.viii.2020