Plant Parasites of Europe

leafminers, galls and fungi

Galium aparine


organparasitic modestagenotetaxonomic groupparasite
flowerhiddenAeolothripidaeMelanthrips ficalbii
leafvagrantChrysomelidaeSermylassa halensis
leafvagrantChrysomelidaeTimarcha goettingensis
leafvagrantChrysomelidaeTimarcha tenebricosa
leafleaf spotHelotialesLeptotrochila verrucosa
leafvagrantTenthredinidaeAglaostigma fulvipes
leafvagrantTenthredinidaeHalidamia affinis
leafdownErysiphalesGolovinomyces tabaci
systemicgallEriophyidaeAceria galiobia
leaf budgallEriophyidaeAculus anthobius
leafvagrantPhytoptidaeTegoprionus dentatus
stemminerAgromyzidaeAulagromyza discrepans
fruitborerAgromyzidaeGymnophytomyza heteroneura
stemborerAgromyzidaeAulagromyza anteposita
leafvagrantAphididaeAphis gossypii
leafvagrantsummer generationAphididaeAphis fabae solanella
leafvagrantsummer generationAphididaeAphis fabae fabae
systemicgallAphididaeAphis galiiscabri
leaf budgallCecidomyiidaeDasineura aparines
leaf budgallCecidomyiidaeDasineura galiicola
leafdownErysiphalesGolovinomyces riedlianus
leafdownErysiphalesNeoërysiphe galii
leafdownPeronosporalesPeronospora aparines
leafgallEriophyidaeCecidophyes galii
leafgallEriophyidaeCecidophyes rouhollahi
leafgallTriozidaeTrioza galii
leafminerAgromyzidaeAulagromyza lucens
leafminerAgromyzidaeAulagromyza orphana
leafminerAgromyzidaeGaliomyza galiivora
leafminerAgromyzidaeGaliomyza morio
leafpustuleChytridialesSynchytrium globosum
leafpustuleaecia uredinia teliaPuccinialesPuccinia punctata
leafpustuleaecia teliamainPuccinialesPuccinia difformis
leafpustuleuredinia teliaPuccinialesPucciniastrum guttatum
stemgallCecidomyiidaeGeocrypta galii
leafvagrantsummer generationAphididaeAphis fabae
leafvagrantAphididaeMacrosiphum euphorbiae
root collarvagrantAphididaeAphis molluginis
leafvagrantsummer generationAphididaeMyzus cerasi
leafvagrantAphididaeAulacorthum solani
leafvagrantAphididaeLinosiphon galiophagum
leafvagrantsummer generationAphididaeDysaphis pyri
leafvagrantAphididaeMyzus ornatus


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 12.viii.2020