Plant Parasites of Europe

leafminers, galls and fungi

Veronica chamaedrys

germander speedwell

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot Mycosphaerellaceae Ramularia veronicicola
leaf leaf spot Didymellaceae Ascochyta verbascina
leaf leaf spot Capnodiales Ramularia chamaedryos
leaf leaf spot Capnodiales Ramularia coccinea
leaf leaf spot Capnodiales Ramularia veronicae
fruit borer larva Curculionidae Gymnetron rotundicolle
leaf vagrant rarely Cydnidae Legnotus limbosus
leaf vagrant Noctuidae Cerastis rubricosa
leaf vagrant Noctuidae Agrochola nitida
leaf vagrant summer generation Aphididae Myzus cerasi
leaf vagrant Nymphalidae Melitaea athalia
leaf vagrant Geometridae Scopula nigropunctata
leaf leaf spot Capnodiales Septoria veronicae
leaf vagrant Nymphalidae Melitaea didyma
leaf vagrant doubtful Cicadellidae Eupteryx origani
leaf vagrant Tenthredinidae Macrophya sanguinolenta
leaf vagrant Tenthredinidae Dulophanes morio
leaf scale doubtful Eriococcidae Acanthococcus pseudinsignis
root scale Pseudococcidae Atrococcus cracens
unknown unknown doubtful Tortricidae Aethes triangulana
systemic vagrant Pterophoridae Stenoptilia pterodactyla
fruit borer younger larva Adelidae Cauchas fibulella
unknown borer larva Curculionidae Gymnetron rostellum
leaf scale Aleyrodidae Asterobemisia paveli
leaf scale Aleyrodidae Aleyrodes lonicerae
systemic borer Anguinidae Ditylenchus dipsaci
systemic gall Cecidomyiidae Dasineura similis
leaf bud gall Cecidomyiidae Jaapiella veronicae
leaf bud gall Eriophyidae Aceria anceps
leaf down Erysiphales Golovinomyces orontii
leaf down Erysiphales Podosphaera fuliginea
leaf down Peronosporales Peronospora agrestis
leaf miner Agromyzidae Phytomyza crassiseta
leaf miner Agromyzidae Phytomyza veronicicola
leaf miner Chrysomelidae Apteropeda globosa
leaf miner Chrysomelidae Apteropeda orbiculata
leaf pustule Chytridiales Synchytrium globosum
leaf vagrant summer generation Aphididae Nasonovia ribisnigri
leaf vagrant Eriophyidae Aculus latus
stem gall Asterolecaniidae Planchonia arabidis
stem gall Curculionidae Gymnetron melanarium
stem gall Plasmodiophorales Sorosphaerula veronicae
inquiline Cecidomyiidae Macrolabis incolens
leaf vagrant summer generation Aphididae Aphis frangulae beccabungae
leaf vagrant Aphididae Aphis korshunovi
root vagrant rarely Aphididae Aphis vandergooti


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 30.vii.2022