Plant Parasites of Europe

leafminers, galls and fungi

Caragana arborescens

siberian pea-tree, peashrub

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot Mycosphaerellaceae Septoria caraganae
stem kanker Nectriaceae Thyronectria caraganae
leaf leaf spot Dothideomycetes Asteromella borszczowii
leaf vagrant Coreidae Ceraleptus gracilicornis
flower borer Eurytomidae Eurytoma caraganae
leaf vagrant Membracidae Gargara genistae
fruit gall doubtful Curculionidae Tychius schneideri
leaf vagrant Tenthredinidae Pristiphora caraganae
stem scale Coccidae Parthenolecanium corni
leaf bud gall Eriophyidae Aceria arceosae
leaf down Erysiphales Erysiphe palczewskii
leaf down Erysiphales Erysiphe robiniae
leaf down Peronosporales Peronospora lagerheimii
leaf miner Agromyzidae Amauromyza obscura
leaf miner Agromyzidae Aulagromyza caraganae
leaf miner Agromyzidae Liriomyza congesta
leaf pustule uredinia telia Pucciniales Uromyces caraganicola
leaf pustule uredinia telia Pucciniales Uromyces punctatus
stem gall Santalaceae Viscum album
root gall Rhizobiales Rhizobium leguminosarum
stem vagrant Aphididae Aphis craccivora
leaf gall Cecidomyiidae Dasineura sibirica
leaf vagrant main Aphididae Acyrthosiphon caraganae
leaf vagrant Aphididae Therioaphis tenera
leaf vagrant Eriophyidae Tetra caraganae


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.


Last modified 14.x.2022