Plant Parasites of Europe

leafminers, galls and fungi

genus Melissa

organparasitic modestagenotetaxonomic groupparasite
leafvagrantCicadellidaeEupteryx collina
leafvagrantCicadellidaeEupteryx stachydearum
leafvagrantCicadellidaeEupteryx zelleri
leafvagrantCicadellidaeEupteryx atropunctata
leafvagrantCicadellidaeEupteryx florida
leafvagrantCicadellidaeEupteryx decemnotata
flowerhiddenThripidaeThrips hawaiiensis
flowerhiddenPhlaeothripidaeHaplothrips gowdeyi
unknownunknownPhlaeothripidaeHaplothrips reuteri
leafvagrantChrysomelidaeChrysolina bankii
leafvagrantChrysomelidaeCassida viridis
rootvagrantChrysomelidaeLongitarsus obliteratus
rootvagrantChrysomelidaeLongitarsus lycopi
leafvagrantChrysomelidaeChrysolina polita
leafvagrantChrysomelidaeChrysolina staphylaea
leafvagrantChrysomelidaeChrysolina coerulans
stemvagrantFlatidaeMetcalfa pruinosa
leafvagrantTenthredinidaeTenthredo marginella
leafvagrantTenthredinidaeTenthredo atra
leafhiddenCrambidaePyrausta aurata
leafhiddenGelechiidaeAnasphaltis renigerellus
leafhiddenTortricidaeArgyrotaenia ljungiana
leafhiddenTortricidaeCnephasia incertana
leafvagrantsummer generationAphididaeAphis fabae
leafvagrantAphididaeEucarazzia elegans
leafdownErysiphalesGolovinomyces monardae
leafdownErysiphalesNeoërysiphe galeopsidis
leafgallsummer generationAphididaeOvatus crataegarius
leafminerAgromyzidaeAmauromyza labiatarum
leafminerAgromyzidaePhytomyza petoei
leafminerColeophoridaeColeophora albitarsella
leafpustuleaecia uredinia teliaPuccinialesPuccinia menthae
leafvagrantAphididaeAulacorthum solani


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.i.2021