tufted hair-grass

synonym: Aira caespitosa, cespitosa; Deschampsia caespitosa

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot incertae sedis Mastigosporium deschampsiae
miner Agromyzidae Chromatomyia alopecuri
fruit gall Hypocreales Claviceps purpurea
flower gall Tilletiales Tilletia cerebrina
leaf down Erysiphales Erysiphaceae Blumeria graminis
leaf leaf spot Georgefischeriales Jamesdicksonia dactylidis
leaf gall Anguinidae Anguina graminis
leaf gall Eriophyidae Aceria tenuis
leaf miner Agromyzidae Agromyza albipennis
leaf miner Agromyzidae Agromyza lucida
leaf miner Agromyzidae Agromyza nigripes
leaf miner Agromyzidae Cerodontha imbuta
leaf miner Agromyzidae Cerodontha incisa
leaf miner Agromyzidae Cerodontha pygmaea
leaf miner Agromyzidae Metopomyza flavonotata
leaf miner Elachistidae Elachista adscitella
leaf miner Elachistidae Elachista albidella
leaf miner Elachistidae Elachista albifrontella
leaf miner Elachistidae Elachista apicipunctella
leaf miner Elachistidae Elachista argentella
leaf miner main Elachistidae Elachista bifasciella
leaf miner Elachistidae Elachista bisulcella
leaf miner Elachistidae Elachista canapennella
leaf miner Elachistidae Elachista cinereopunctella
leaf miner doubtful Elachistidae Elachista compsa
leaf miner Elachistidae Elachista dimicatella
leaf miner doubtful Elachistidae Elachista disemiella
leaf miner doubtful Elachistidae Elachista gleichenella
leaf miner Elachistidae Elachista humilis
leaf miner Elachistidae Elachista luticomella
leaf miner Elachistidae Elachista obliquella
leaf miner Elachistidae Elachista pullicomella
leaf miner Elachistidae Elachista stabilella
leaf pustule Cantharellales Ceratorhiza rhizodes
leaf pustule uredinia telia Pucciniales Puccinia coronata
leaf pustule uredinia telia Pucciniales Puccinia deschampsiae
leaf pustule uredinia telia Pucciniales Puccinia graminis
leaf pustule uredinia telia Pucciniales Uromyces airae-flexuosae
leaf stripe Urocystidales Urocystis deschampsiae
leaf stripe Ustilaginales Ustilago striiformis
stem borer Eurytomidae Tetramesa petiolata
stem gall Cecidomyiidae Lasioptera calamagrostidis
stem gall Chloropidae Oscinella frit
stem gall Eurytomidae Tetramesa airae
stem vagrant Aphididae Laingia psammae
leaf vagrant Aphididae Atheroides brevicornis
leaf vagrant Aphididae Atheroides doncasteri
leaf vagrant Aphididae Atheroides hirtellus
leaf vagrant Aphididae Atheroides serrulatus
leaf vagrant Aphididae Chaetosiphella berlesei
leaf vagrant Aphididae Sipha glyceriae
leaf vagrant Aphididae Sitobion 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.

 

mod 3.vii.2019