Plant Parasites of Europe

leafminers, galls and fungi

genus Comarum

organparasitic modestagenotetaxonomic groupparasite
leafvagrantChrysomelidaeGalerucella sagittariae
leafvagrantChrysomelidaeGalerucella tenella
leafvagrantTenthredinidaeAllantus calceatus
leafvagrantTenthredinidaeCladius pectinicornis
leafoviposition scareggTenthredinidaeCladius pectinicornis
leafhiddenTortricidaeCelypha lacunana
leafhiddenTortricidaeClepsis spectrana
leafhiddenTortricidaeClepsis senecionana
leafvagrantTortricidaeAphelia viburniana
leafvagrantdoubtfulTenthredinidaePristiphora malaisei
leafhiddenTortricidaeAcleris aspersana
leafvagrantTortricidaeAcleris comariana
leafvagrantTortricidaeAcleris caledoniana
unknownvagrantlarvadoubtfulCurculionidaeNeophytobius muricatus
leafvagrantlarvaCurculionidaePelenomus commari
unknownborerlarvaCurculionidaeAnthonomus brunnipennis
leafgalllarvaAttelabidaeApoderus erythropterus
leafdownErysiphalesPodosphaera aphanis
leafleaf spotBlastocladialesPhysoderma comari
leafminerAgromyzidaeAgromyza idaeiana
leafminerColeophoridaeColeophora albicostella
leafminerNepticulidaeStigmella poterii
leafminerTenthredinidaeFenella nigrita
leafvagrantEriophyidaePhyllocoptes roivaineni
leafvagrantTriozidaeBactericera acutipennis
leafvagrantdoubtfulAphididaeAphis tormentillae
leafvagrantAphididaeAcyrthosiphon boreale
root collarvagrantAphididaeAnthracosiphon hertae
leafvagrantAphididaeAphis comari

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 18.vii.2020