cabbage thistle

organ parasitic mode stage note taxonomic group parasite
root borer doubtful Tortricidae Endothenia oblongana
fruit borer Tortricidae Aethes cnicana
fruit vagrant Tortricidae Aethes rubigana
root collar borer Syrphidae Cheilosia albipila
stem borer Syrphidae Cheilosia chloris
root collar borer Syrphidae Cheilosia proxima
stem borer larva Curculionidae Hadroplontus litura
flower gall larva Curculionidae Larinus carlinae
flower borer larva Curculionidae Larinus sturnus
flower borer larva Curculionidae Larinus turbinatus
flower borer larva Curculionidae Larinus iaceae
root collar borer larva Apionidae Ceratapion gibbirostre
root collar borer Apionidae Ceratapion onopordi
leaf miner Agromyzidae Chromatomyia horticola
stem gall Tephritidae Urophora cardui
leaf down Peronosporales Bremia lactucae
systemic borer Anguinidae Ditylenchus dipsaci
flower borer Tephritidae Chaetostomella cylindrica
flower borer Tephritidae Terellia ruficauda
flower borer Tephritidae Terellia serratulae
flower gall Cecidomyiidae Jaapiella cirsiicola
flower gall Tephritidae Tephritis conura
leaf borer Tephritidae Xyphosia miliaria
leaf down Erysiphales Erysiphe mayorii var. mayorii
leaf down Erysiphales Golovinomyces montagnei
leaf down Erysiphales Podosphaera xanthii
leaf down Peronosporales Bremia cirsii
leaf gall Aphididae Aphis cirsiioleracei
leaf gall main Aphididae Capitophorus horni
leaf gall Aphididae Uroleucon cirsii
leaf gall Cecidomyiidae Clinodiplosis oleracei
leaf gall Taphrinales Protomyces cirsii-oleracei
leaf gall Triozidae Trioza viridula
leaf miner Agromyzidae Liriomyza soror
leaf miner Agromyzidae Liriomyza strigata
leaf miner doubtful Agromyzidae Phytomyza albiceps
leaf miner Agromyzidae Phytomyza autumnalis
leaf miner Agromyzidae Phytomyza spinaciae
leaf miner Anthomyiidae Pegomya steini
leaf miner Chrysomelidae Sphaeroderma testaceum
leaf miner Coleophoridae Coleophora peribenanderi
leaf miner Gelechiidae Scrobipalpa acuminatella
leaf miner Sciaridae Phytosciara halterata
leaf miner Sciaridae Phytosciara macrotricha
leaf pustule Albuginales Pustula obtusata
leaf pustule Albuginales Pustula spinulosa
leaf pustule Chytridiales Synchytrium aureum
leaf pustule Chytridiales Synchytrium globosum
leaf pustule aecia Pucciniales Puccinia dioicae
leaf pustule uredinia telia Pucciniales Puccinia laschii
leaf pustule telia Pucciniales Puccinia cnici-oleracei
leaf vagrant Triozidae Trioza cirsii
root collar gall Curculionidae Cleonis pigra
leaf vagrant summer generation Aphididae Brachycaudus cardui
leaf vagrant summer generation Aphididae Aphis fabae
stem vagrant Aphididae Uroleucon aeneum
leaf vagrant summer generation Aphididae Aphis fabae solanella
root collar vagrant Aphididae Aphis janischi


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 25.x.2019