Plant Parasites of Europe

leafminers, galls and fungi

Buddleja davidii

butterfly-bush

synonym: Buddleja variabilis

organ parasitic mode stage note taxonomic group parasite
flower hidden Thripidae Thrips hawaiiensis
leaf vagrant Ricaniidae Ricania speculum
leaf vagrant Noctuidae Phlogophora meticulosa
flower vagrant doubtful Noctuidae Cucullia scrophulariae
leaf vagrant Noctuidae Cucullia verbasci
leaf vagrant Aphididae Macrosiphum euphorbiae
leaf vagrant Sphingidae Acherontia atropos
leaf vagrant Geometridae Biston betularia
leaf vagrant Geometridae Eupithecia exiguata
flower vagrant Geometridae Eupithecia absinthiata
leaf vagrant Lycaenidae Celastrina argiolus
fruit vagrant Curculionidae Cionus hortulanus
leaf vagrant Curculionidae Cionus alauda
leaf vagrant Tetranychidae Tetranychus urticae
leaf scale Aleyrodidae Trialeurodes vaporariorum
flower hidden Thripidae Thrips flavus
leaf vagrant Curculionidae Cionus scrophulariae
leaf vagrant Tenthredinidae Tenthredo scrophulariae
leaf hidden Tortricidae Ditula angustiorana
leaf vagrant Aphididae Aphis gossypii
flower gall Cecidomyiidae Asphondylia buddleia
leaf down Peronosporales Peronospora hariotii
leaf miner Agromyzidae Amauromyza verbasci
leaf gall Aphididae Aphis verbasci
leaf vagrant summer generation Aphididae Myzus persicae
leaf vagrant summer generation Aphididae Aphis fabae

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.

 

Last modified 21.x.2023