organ parasitic mode stage note taxonomic group parasite
leaf leaf spot incertae sedis Mastigosporium rubricosum
leaf scale Pseudococcidae Dysmioccus walkeri
fruit gall Tarsonemidae Dendroptus krameri
fruit gall Hypocreales Fusarium graminearum
leaf vagrant Eriophyidae Aceria tosichella
leaf vagrant Aphididae Schizaphis graminum
leaf vagrant summer generation Aphididae Hysteroneura setariae
root vagrant Aphididae Geoica setulosa
systemic borer Anguinidae Ditylenchus dipsaci
fruit gall Hypocreales Claviceps purpurea
flower gall main Anguinidae Anguina agrostis
flower gall Eriophyidae Aceria cornuta
flower gall Tilletiales Tilletia sphaerococca
leaf down Erysiphales Erysiphaceae Blumeria graminis
leaf down Peronosporales Sclerospora graminicola
leaf leaf spot Dothideales Dilophospora alopecuri
leaf leaf spot Georgefischeriales Jamesdicksonia dactylidis
leaf leaf spot Phyllachorales Phyllachora graminis
leaf gall Anguinidae Anguina graminis
leaf gall main Anguinidae Subanguina graminophila
leaf gall Eriophyidae Aceria tenuis
leaf gall Peronosporales Sclerophthora macrospora
leaf miner Agromyzidae Cerodontha atra
leaf miner Agromyzidae Cerodontha beigerae
leaf miner Agromyzidae Cerodontha flavocingulata
leaf miner Agromyzidae Cerodontha incisa
leaf miner Agromyzidae Cerodontha pygmaea
leaf miner Agromyzidae Chromatomyia milii
leaf miner Agromyzidae Chromatomyia nigra
leaf miner Agromyzidae Liriomyza flaveola
leaf miner Agromyzidae Agromyza albipennis
leaf miner Agromyzidae Agromyza nigripes
leaf miner Agromyzidae Pseudonapomyza atra
leaf miner Elachistidae Elachista albifrontella
leaf miner Elachistidae Elachista apicipunctella
leaf miner Elachistidae Elachista argentella
leaf miner Elachistidae Elachista canapennella
leaf miner Elachistidae Elachista freyerella
leaf miner Elachistidae Elachista herrichii
leaf miner Elachistidae Elachista humilis
leaf miner Elachistidae Elachista maculicerusella
leaf miner Elachistidae Elachista nobilella
leaf miner Elachistidae Elachista stabilella
leaf miner Ephydridae Hydrellia griseola
leaf pustule Cantharellales Ceratorhiza rhizodes
leaf pustule uredinia telia Pucciniales Puccinia borealis
leaf pustule uredinia telia Pucciniales Puccinia coronata
leaf pustule uredinia telia Pucciniales Puccinia graminis
leaf pustule uredinia telia Pucciniales Puccinia kummeri
leaf pustule uredinia telia rarely Pucciniales Puccinia pygmaea
leaf pustule uredinia telia Pucciniales Uromyces agrostidis
leaf pustule uredinia telia Pucciniales Puccinia agrostidis
leaf pustule Urocystidales Urocystis agrostidis
leaf stripe Blastocladiales Physoderma agrostidis
leaf stripe Blastocladiales Physoderma graminis
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 Cecidomyiidae Mayetiola agrostivora
stem gall main Chloropidae Oscinella nitidissima
stem vagrant Aphididae Laingia psammae
root collar gall Cecidomyiidae Mayetiola agrostidis
root collar vagrant summer generation Aphididae Rhopalomyzus poae
root gall Chytridiales Olpidium agrostidis
root gall Heteroderidae Punctodera punctata
root vagrant summer generation Aphididae Anoecia corni
root vagrant summer generation Aphididae Forda marginata
root vagrant summer generation Aphididae Geoica utricularia
root vagrant summer generation Aphididae Paracletus cimiciformis
inquiline Eriophyidae Aculodes dubius
leaf vagrant Aphididae Atheroides serrulatus
leaf vagrant Aphididae Sipha elegans
leaf vagrant Aphididae Sipha glyceriae
leaf vagrant Aphididae Sipha maydis
root vagrant summer generation Aphididae Baizongia pistaciae
root vagrant summer generation Aphididae Aploneura lentisci
root vagrant Aphididae Anoecia zirnitsi
root vagrant summer generation Aphididae Rhopalosiphum oxyacanthae
leaf vagrant summer generation Aphididae Rhopalosiphum padi
leaf vagrant summer generation Aphididae Melanaphis pyraria
leaf vagrant Aphididae Schizaphis rufula
leaf vagrant doubtful Aphididae Metopolophium albidum
leaf vagrant Aphididae Metopolophium festucae
leaf vagrant summer generation Aphididae Metopolophium dirhodum
leaf vagrant Aphididae Sitobion avenae
leaf vagrant Aphididae Schizaphis dubia
leaf vagrant Aphididae Diuraphis agrostidis

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.

 

mod 30.iv.2019