Plant Parasites of Europe

leafminers, galls and fungi

Agrostis capillaris

common bent

synonym: Agrostis polymorpha, silvatica, sylvatica, tarda, tenuis, vulgaris

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot Spermospora ciliata
leaf leaf spot Mycosphaerellaceae Ramularia holci-lanati
leaf leaf spot Mycosphaerellaceae Ramularia pusilla
seeds vagrant Lygaeidae Stygnocoris fuligineus
leaf vagrant Miridae Stenodema laevigata
leaf vagrant Miridae Trigonotylus ruficornis
flower vagrant Miridae Lopus decolor
leaf vagrant Miridae Conostethus roseus
flower vagrant Miridae Leptopterna ferrugata
leaf vagrant Miridae Stenodema calcarata
leaf vagrant Miridae Teratocoris saundersi
leaf vagrant Miridae Trigonotylus fuscitarsis
leaf vagrant Pachytomella parallela
leaf vagrant Nymphalidae Pararge xiphioides
stem scale Pseudococcidae Trionymus dactylis
stem borer Chloropidae Meromyza mosquensis
leaf vagrant Noctuidae Mythimna turca
root collar vagrant Noctuidae Cerapteryx graminis
stem borer Chloropidae Cetema elongatum
stem gall Chloropidae Oscinella nitidissima
leaf vagrant Lasiocampidae Macrothylacia rubi
leaf hidden Hesperiidae Ochlodes sylvanus
leaf vagrant Nymphalidae Aphantopus hyperantus
leaf vagrant Nymphalidae Pyronia tithonus
leaf hidden Hesperiidae Thymelicus lineola
stem borer Opomyzidae Opomyza petrei
stem borer Anthomyzidae Stiphrosoma sabulosum
leaf vagrant Cicadellidae Deltocephalus pulicaris
leaf vagrant doubtful Cicadellidae Sardius argus
leaf vagrant doubtful Cicadellidae Hardya tenuis
leaf vagrant Cicadellidae Jassargus flori
leaf vagrant Cicadellidae Jassargus pseudocellaris
leaf vagrant Delphacidae Streptanus sordidus
leaf vagrant Cicadellidae Verdanus abdominalis
leaf vagrant Cicadellidae Ebarrius cognatus
leaf vagrant Delphacidae Laodelphax striatellus
leaf vagrant Delphacidae Javesella dubia
leaf vagrant Aphrophoridae Neophilaenus campestris
leaf vagrant Cicadellidae Balclutha punctata
leaf vagrant Cicadellidae Doratura homophyla
leaf vagrant Delphacidae Megamelodes quadrimaculatus
leaf vagrant Delphacidae Xanthodelphax stramineus
leaf vagrant Cicadellidae Anoscopus albifrons
leaf vagrant Cicadellidae Doratura stylata
leaf vagrant Cicadellidae Zyginidia scutellaris
leaf vagrant Cicadellidae Mocydiopsis parvicauda
leaf vagrant Delphacidae Ribautodelphax collinus
flower hidden Thripidae Taeniothrips picipes
root borer Chrysomelidae Chaetocnema conducta
leaf vagrant Tenthredinidae Tenthredopsis tischbeinii
stem borer Chloropidae Microcercis trigonella
stem gall Chloropidae Oscinella frit
stem borer Chloropidae Oscinella nigerrima
stem borer Chloropidae Oscinimorpha albisetosa
stem borer Chloropidae Oscinimorpha arcuata
leaf scale Eriococcidae Acanthococcus pseudinsignis
stem scale Eriococcidae Greenisca glyceriae
root scale Pseudococcidae Rhodania occulta
stem scale Pseudococcidae Heterococcus nudus
leaf scale Eriococcidae Acanthococcus agropyri
leaf scale Eriococcidae Acanthococcus insignis
stem scale Pseudococcidae Trionymus aberrans
leaf scale Coccidae Eriopeltis festucae
leaf gall Eriophyidae Abacarus hystrix
leaf vagrant Eriophyidae Aculodes capillarisi
leaf vagrant Eriophyidae Aculodes mckenziei
leaf scale Pseudococcidae Dysmicoccus walkeri
leaf leaf spot incertae sedis Mastigosporium rubricosum
root vagrant summer generation Aphididae Forda marginata
fruit gall Tarsonemidae Dendroptus krameri
leaf vagrant Eriophyidae Aceria tosichella
flower gall main Anguinidae Anguina agrostis
flower gall Tilletiales Tilletia sphaerococca
leaf down Erysiphales Erysiphaceae Blumeria graminis
leaf leaf spot Georgefischeriales Jamesdicksonia dactylidis
leaf leaf spot Phyllachorales Phyllachora graminis
leaf gall Anguinidae Anguina graminis
leaf gall Eriophyidae Aceria tenuis
leaf miner Agromyzidae Cerodontha incisa
leaf miner Agromyzidae Cerodontha pygmaea
leaf miner Agromyzidae Chromatomyia nigra
leaf pustule Cantharellales Ceratorhiza rhizodes
leaf pustule uredinia telia Pucciniales Puccinia agrostidis
leaf pustule uredinia telia Pucciniales Puccinia coronata
leaf pustule uredinia telia Pucciniales Puccinia graminis
leaf pustule uredinia telia rarely Pucciniales Puccinia pygmaea
leaf pustule uredinia telia Pucciniales Uromyces agrostidis
leaf pustule Urocystidales Urocystis agrostidis
leaf stripe Urocystidales Urocystis tessellata
leaf stripe Ustilaginales Ustilago striiformis
stem borer Chloropidae Oscinella smirnovi
stem borer Chloropidae Oscinella vastator
stem down Hypocreales Epichloe baconii
stem gall Cecidomyiidae Hybolasioptera fasciata
stem gall main Chloropidae Oscinella nitidissima
root collar gall Cecidomyiidae Mayetiola agrostidis
inquiline Eriophyidae Aculodes dubius
leaf vagrant Aphididae Sipha glyceriae
leaf vagrant Aphididae Sipha maydis
leaf vagrant Aphididae Sitobion avenae
leaf vagrant summer generation Aphididae Metopolophium dirhodum
leaf gall Anguinidae Subanguina graminophila

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 21.viii.2022