organ parasitic mode stage note taxonomic group parasite
stem borer larva Curculionidae Lixus cylindrus
leaf scale Aleyrodidae Aleyrodes lonicerae
leaf vagrant summer generation Aphididae Aphis fabae fabae
flower vagrant Aphididae Macrosiphum laseri
leaf gall doubtful Triozidae Trioza apicalis
fruit borer Agromyzidae Liriomyza lutea
fruit gall Cecidomyiidae Kiefferia pericarpiicola
flower gall Cecidomyiidae Lasioptera carophila
flower gall Cecidomyiidae Macrolabis laserpitii
leaf down Erysiphales Erysiphe heraclei
leaf down Peronosporales Plasmopara laserpitii
leaf gall Taphrinales Taphridium umbelliferarum
leaf gall Taphrinales Protomyces macrosporus
leaf gall Triozidae Trioza laserpitii
leaf miner Agromyzidae Phytomyza angelicae
leaf miner doubtful Agromyzidae Phytomyza heracleana
leaf miner Agromyzidae Phytomyza latifolii
leaf miner Agromyzidae Phytomyza zarzyckii
leaf miner Depressariidae Agonopterix rotundella
leaf miner rarely Tephritidae Cryptaciura rotundiventris
leaf miner Tephritidae Euleia heraclei
leaf pustule aecia Pucciniales Uromyces graminis
leaf pustule aecia uredinia telia Pucciniales Puccinia laserpitii
leaf pustule aecia Pucciniales Aecidium laserpitii-sileris
leaf pustule uredinia telia Pucciniales Puccinia angelicae
leaf pustule uredinia telia Pucciniales Puccinia kreiselii
leaf vagrant summer generation Aphididae Dysaphis laserpitii
leaf vagrant summer generation Aphididae Aphis fabae
leaf vagrant summer generation Aphididae Cavariella aegopodii
leaf vagrant Aphididae Acyrthosiphon nigripes
root collar vagrant summer generation Aphididae Anuraphis pyrilaseri
stem vagrant summer generation Aphididae Dysaphis apiifolia

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.

 

mod 10.v.2019