Plant Parasites of Europe

leafminers, galls and fungi

genus Amaranthus

organparasitic modestagenotetaxonomic groupparasite
unknownunknownCurculionidaeLixus juncii
leafvagrantChrysomelidaeCassida nebulosa
rootborerChrysomelidaeChaetocnema picipes
rootborerChrysomelidaeChaetocnema tibialis
stemvagrantFlatidaeMetcalfa pruinosa
stemborerCurculionidaeCosmobaris scolopacea
stemborerCurculionidaeCosmobaris discolor
rootborerCurculionidaeHypolixus pica
rootvagrantlarvaCurculionidaeAsproparthenis punctiventris
leafhiddenCrambidaeSpoladea recurvalis
leafhiddenCrambidaeAchyra nudalis
unknowngallEriophyidaePhyllocoptes amaranthi
rootgallCurculionidaeBothynoderes affinis
stemborerlarvaCurculionidaeLixus subtilis
leafscaleAleyrodidaeBemisia tabaci
leafscaleAleyrodidaeTrialeurodes vaporariorum
leafscaleAleyrodidaeTrialeurodes ricini
leafscaleAleyrodidaeAleuroclava similis
leafminerAgromyzidaeChromatomyia horticola
leafvagrantTenuipalpidaeCenopalpus pulcher
leafvagrantAphididaeMacrosiphum euphorbiae
fruitvagrantColeophoridaeColeophora vestianella
leafvagrantAphididaeAphis gossypii
leafvagrantsummer generationAphididaeAphis fabae solanella
leafvagrantsummer generationAphididaeAphis fabae
leafvagrantAphididaeSitobion avenae
flowergallUrocystidalesThecaphora amaranthi
leafdownErysiphalesErysiphe celosiae
leafdownErysiphalesLeveillula taurica
leafdownPeronosporalesPeronospora amaranthi
leafminerAgromyzidaeLiriomyza bryoniae
leafminerAgromyzidaeLiriomyza strigata
leafminerAgromyzidaeAmauromyza chenopodivora
leafminerAnthomyiidaeDelia echinata
leafminerAnthomyiidaePegomya hyoscyami
leafminerColeophoridaeColeophora versurella
leafminerDrosophilidaeScaptomyza graminum
leafminerGelechiidaeChrysoesthia drurella
leafminerGelechiidaeChrysoesthia sexguttella
leafpustuleAlbuginalesWilsoniana amaranthi
leafpustuleAlbuginalesWilsoniana bliti
leafvagrantsummer generationAphididaeAphis fabae
leafvagrantsummer generationAphididaeMyzus persicae
rootgallHeteroderidaeHeterodera schachtii
leafvagrantsummer generationAphididaeAphis fabae fabae
stemvagrantAphididaeAphis craccivora

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.ix.2020