Plant Parasites of Europe

leafminers, galls and fungi

Borago officinalis


organparasitic modestagenotetaxonomic groupparasite
leafvagrantErebidaeOcnogyna baetica
leafvagrantNoctuidaePhlogophora meticulosa
leafvagrantErebidaeUtetheisa pulchella
leafvagrantGeometridaeIdaea camparia
fruitborerlarvaCurculionidaeMogulones borraginis
rootborerChrysomelidaeLongitarsus echii
rootvagrantChrysomelidaeLongitarsus dimidiatus
rootvagrantChrysomelidaeLongitarsus corynthius
unknownunknownCurculionidaeRhabdorrhynchus vilhelmseni
unknownunknownCurculionidaeMogulones peregrinus
rootborerlarvaChrysomelidaeLongitarsus anchusae
rootvagrantChrysomelidaeLongitarsus lateripunctatus
leafhiddenGelechiidaeEthmia candidella
leafhiddenGelechiidaeEthmia pusiella
leafvagrantTenuipalpidaeBrevipalpus obovatus
stemborerlarvaCurculionidaeMogulones asperifoliarum
leafvagrantsummer generationAphididaeMyzus persicae
leafdownErysiphalesGolovinomyces cynoglossi complex
leafleaf spotEntylomatalesEntyloma boraginis
leafleaf spotEntylomatalesEntyloma serotinum
leafminerAgromyzidaeAgromyza abiens
leafminerAgromyzidaeAgromyza myosotidis
leafpustuleaeciaPuccinialesPuccinia cerinthes-agropyrina
leafpustuleaeciaPuccinialesPuccinia symphyti-bromorum
leafvagrantsummer generationAphididaeAphis fabae
unknownunknownAnthomyiidaeDelia seideli
leafvagrantsummer generationAphididaeBrachycaudus cardui
leafvagrantAphididaeAulacorthum solani
leafvagrantAphididaeMyzus ornatus
leafvagrantsummer generationAphididaeBrachycaudus helichrysi


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 25.xi.2021