synonym: Chamaecytisus albus; Cytisus leucanthus subsp. albus

organ parasitic mode stage note taxonomic group parasite
stem gall Agromyzidae Agromyza kiefferi
root vagrant larva Curculionidae Sitona striatellus
fruit borer larva Apionidae Exapion corniculatum
fruit borer larva Apionidae Exapion elongatulum
flower gall Aphididae Aphis cytisorum
leaf bud gall Cecidomyiidae Dasineura tubicoloides
stem gall Cecidomyiidae Dasineura trotteri
leaf bud gall Cecidomyiidae Janetiella maculata
leaf bud gall Cecidomyiidae Asphondylia cytisi
leaf bud gall Cecidomyiidae Contarinia scoparii
fruit gall doubtful Cecidomyiidae Asphondylia bitensis
leaf bud gall Eriophyidae Aceria genistae
stem gall Nepticulidae Trifurcula pallidella
leaf bud gall Eriophyidae Aceria genistae
leaf miner Apionidae Oryxolaemus flavifemoratus


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.viii.2019