organ | parasitic mode | stage | note | taxonomic group | parasite |
---|---|---|---|---|---|
leaf | vagrant | Cicadellidae | Zyginidia pullula | ||
leaf | scale | Eriococcidae | Acanthococcus pseudinsignis | ||
leaf | vagrant | Cicadellidae | Macrosteles quadripunctulatus | ||
leaf | scale | Eriococcidae | Acanthococcus formicicola | ||
unknown | unknown | Crambidae | Herpetogramma licarsialis | ||
leaf | hidden | Crambidae | Nomophila noctuella | ||
leaf | vagrant | summer generation | Aphididae | Rhopalosiphum padi | |
root | vagrant | summer generation | Aphididae | Rhopalosiphum rufiabdominale | |
leaf | vagrant | Aphididae | Rhopalosiphum maidis | ||
root | vagrant | summer generation | Aphididae | Tetraneura ulmi | |
stem | vagrant | Aphididae | Aphis craccivora | ||
root | vagrant | summer generation | Aphididae | Forda formicaria | |
root | vagrant | Aphididae | Geoica setulosa | ||
leaf | gall | spring generation | Aphididae | Anoecia vagans | |
leaf | vagrant | Aphididae | Sitobion avenae | ||
fruit | gall | Ustilaginales | Macalpinomyces neglectus | ||
flower | gall | Ustilaginales | Sporisorium magnusianum | ||
flower | gall | Ustilaginales | Ustilago crameri | ||
leaf | miner>borer | Ochsenheimeriidae | Ochsenheimeria capella | ||
leaf | down | Erysiphales Erysiphaceae | Blumeria graminis | ||
leaf | down | Peronosporales | Sclerospora graminicola | ||
leaf | gall | Eriophyidae | Aceria tenuis | ||
leaf | miner | Agromyzidae | Cerodontha incisa | ||
leaf | miner | Agromyzidae | Cerodontha pygmaea | ||
leaf | miner | Agromyzidae | Chromatomyia nigra | ||
leaf | miner | Agromyzidae | Agromyza albipennis | ||
leaf | miner | Agromyzidae | Agromyza nigrella | ||
leaf | miner | doubtful | Agromyzidae | Agromyza nigripes | |
leaf | miner | Ephydridae | Hydrellia griseola | ||
leaf | pustule | uredinia telia | Pucciniales | Puccinia coronata | |
leaf | pustule | uredinia telia | Pucciniales | Puccinia graminis | |
leaf | pustule | uredinia telia | Pucciniales | Uromyces setariae-italicae | |
leaf | stripe | Ustilaginales | Ustilago striiformis | ||
stem | vagrant | Aphididae | Laingia psammae | ||
root | vagrant | summer generation | Aphididae | Tetraneura caerulescens | |
root | vagrant | summer generation | Aphididae | Tetraneura nigriabdominalis | |
leaf | vagrant | Aphididae | Sipha elegans | ||
leaf | vagrant | Aphididae | Sipha maydis | ||
root | vagrant | summer generation | Aphididae | Anoecia furcata | |
root | vagrant | summer generation | Aphididae | Anoecia haupti | |
leaf | vagrant | Aphididae | Sipha glyceriae | ||
root | vagrant | summer generation | Aphididae | Anoecia corni |
Organ
the part of the plant that most conspicuously is hit by the parasiteall 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 signsdown: 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 30.xii.2020