wild teasel

synonym: Dipsacus silvester, sylvestris

organ parasitic mode stage note taxonomic group parasite
leaf vagrant Cimbicidae Abia sericea
leaf vagrant Tenthredinidae Macrophya erythrocnema
flower borer Gelechiidae Metzneria neuropterella
flower hidden doubtful Tortricidae Pammene gallicana
flower borer Tortricidae Endothenia gentianaeana
root borer doubtful Tortricidae Endothenia oblongana
flower vagrant Tortricidae Endothenia marginana
flower borer Tortricidae Cochylis roseana
flower borer younger larva Adelidae Nemophora raddaella
leaf vagrant rarely Aphididae Macrosiphum knautiae
root collar vagrant Aphididae Aphis ochropus
root collar vagrant rarely Aphididae Aphis thomasi
stem vagrant Aphididae Aphis craccivora
systemic borer Anguinidae Ditylenchus dipsaci
flower down Peronosporales Peronospora violacea
leaf down Erysiphales Erysiphe knautiae
leaf down Erysiphales Podosphaera dipsacacearum
leaf down Peronosporales Peronospora dipsaci
leaf miner Agromyzidae Agromyza dipsaci
leaf pustule Chytridiales Synchytrium succisae
leaf vagrant summer generation Aphididae Aphis fabae
leaf vagrant Eriophyidae Leipothrix dipsacivagus
root gall Meloidogynidae Meloidogyne hapla
flower vagrant spring generation Aphididae Aphis confusa
leaf vagrant summer generation Aphididae Aphis confusa
leaf vagrant summer generation Aphididae Aphis fabae
stem vagrant summer generation Aphididae Macrosiphum rosae
leaf vagrant summer generation Aphididae Aphis fabae solanella
root vagrant doubtful Aphididae Aphis psammophila


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.


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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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 24.iii.2020