organ | parasitic mode | stage | note | taxonomic group | parasite |
---|---|---|---|---|---|
leaf | vagrant | Tetranychidae | Bryobia vasiljevi | ||
unknown | unknown | Curculionidae | Lixus juncii | ||
leaf | vagrant | Chrysomelidae | Cassida nebulosa | ||
root | borer | Chrysomelidae | Chaetocnema picipes | ||
root | borer | Chrysomelidae | Chaetocnema tibialis | ||
stem | vagrant | Flatidae | Metcalfa pruinosa | ||
stem | borer | Curculionidae | Cosmobaris scolopacea | ||
stem | borer | Curculionidae | Cosmobaris discolor | ||
root | borer | Curculionidae | Hypolixus pica | ||
root | vagrant | larva | Curculionidae | Asproparthenis punctiventris | |
leaf | hidden | Crambidae | Spoladea recurvalis | ||
leaf | hidden | Crambidae | Achyra nudalis | ||
unknown | gall | Eriophyidae | Phyllocoptes amaranthi | ||
root | gall | Curculionidae | Bothynoderes affinis | ||
stem | borer | larva | Curculionidae | Lixus subtilis | |
leaf | scale | Aleyrodidae | Bemisia tabaci | ||
leaf | scale | Aleyrodidae | Trialeurodes vaporariorum | ||
leaf | scale | Aleyrodidae | Trialeurodes ricini | ||
leaf | scale | Aleyrodidae | Aleuroclava similis | ||
leaf | miner | Agromyzidae | Chromatomyia horticola | ||
leaf | vagrant | Tenuipalpidae | Cenopalpus pulcher | ||
leaf | vagrant | Aphididae | Macrosiphum euphorbiae | ||
fruit | vagrant | Coleophoridae | Coleophora vestianella | ||
leaf | vagrant | Aphididae | Aphis gossypii | ||
leaf | vagrant | summer generation | Aphididae | Aphis fabae solanella | |
leaf | vagrant | summer generation | Aphididae | Aphis fabae | |
leaf | vagrant | Aphididae | Sitobion avenae | ||
flower | gall | Urocystidales | Thecaphora amaranthi | ||
leaf | down | Erysiphales | Erysiphe celosiae | ||
leaf | down | Erysiphales | Leveillula taurica | ||
leaf | down | Peronosporales | Peronospora amaranthi | ||
leaf | miner | Agromyzidae | Liriomyza bryoniae | ||
leaf | miner | Agromyzidae | Liriomyza strigata | ||
leaf | miner | Agromyzidae | Amauromyza chenopodivora | ||
leaf | miner | Anthomyiidae | Delia echinata | ||
leaf | miner | Anthomyiidae | Pegomya hyoscyami | ||
leaf | miner | Coleophoridae | Coleophora versurella | ||
leaf | miner | Drosophilidae | Scaptomyza graminum | ||
leaf | miner | Gelechiidae | Chrysoesthia drurella | ||
leaf | miner | Gelechiidae | Chrysoesthia sexguttella | ||
leaf | pustule | Albuginales | Wilsoniana amaranthi | ||
leaf | pustule | Albuginales | Wilsoniana bliti | ||
leaf | vagrant | summer generation | Aphididae | Aphis fabae | |
leaf | vagrant | summer generation | Aphididae | Myzus persicae | |
root | gall | Heteroderidae | Heterodera schachtii | ||
leaf | vagrant | summer generation | Aphididae | Aphis fabae fabae | |
stem | vagrant | Aphididae | Aphis craccivora |
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 20.x.2020