Plant Parasites of Europe

leafminers, galls and fungi

genus Cornus

organparasitic modestagenotetaxonomic groupparasite
leafvagrantChrysomelidaeAltica cornivorax
rootvagrantChrysomelidaeBatophila fallax
rootvagrantChrysomelidaeFloricola ulema
leafvagrantTenthredinidaeTenthredo atra
leafvagrantTenthredinidaeAllantus melanarius
leafhiddenPeleopodidaeCarcina quercana
leafhiddenrarelyTortricidaeAncylis unculana
stemscalePseudococcidaePhenacoccus aceris
stemscaleDiaspididaeLepidosaphes ulmi
leafhiddenChimabachidaeDasystoma salicella
stemscaleDiaspididaePseudaulacaspis pentagona
leafhiddenTortricidaeLobesia reliquana
leafhiddenGelechiidaeCarpatolechia decorella
flowervagrantTortricidaeEupoecilia angustana
fruitborerdoubtfulTortricidaePammene rhediella
leafhiddenTortricidaeArchips rosana
leafhiddenTortricidaeArchips xylosteana
leafvagrantTingidaeStephanitis pyri
leafhiddenTortricidaeArchips podana
leafhiddenTortricidaePandemis corylana
leafhiddendoubtfulTortricidaeAcleris umbrana
fruitborerTortricidaeLobesia botrana
fruitborerTortricidaeEupoecilia ambiguella
leafvagrantEriophyidaeShevtchenkella cornifoliae
leafgallEriophyidaeShevtchenkella bulgarica
leafvagrantEriophyidaeBoczekiana celtidis
leafvagrantDiptilomiopidaeDiptacus corni
stemborerlarvadoubtfulRhynchitidaeNeocoenorrhinus germanicus
stemscaleCoccidaePulvinaria regalis
leafscaleCoccidaePulvinaria hydrangeae
leafminerHeliozelidaeAntispila petryi
leafvagrantsummer generationAphididaeAphis frangulae
leafdownErysiphalesErysiphe pulchra
leafdownErysiphalesErysiphe tortilis
leafdownErysiphalesPhyllactinia corni
leafleaf spotCapnodialesSphaerulina cornicola
leafleaf spotHelotialesCristulariella depraedans
leafgallspring generationAphididaeAnoecia corni
leafgallspring generationAphididaeAnoecia vagans
leafgallspring generationAphididaeAphis salicariae
leafgallCecidomyiidaeCraneiobia corni
leafgallEriophyidaePhyllocoptes depressus
leafgallTenuipalpidaeCenopalpus spinosus
leafminerAgromyzidaePhytomyza agromyzina
leafminerColeophoridaeColeophora ahenella
leafminerColeophoridaeColeophora anatipenella
leafminerColeophoridaeColeophora violacea
leafminermainHeliozelidaeAntispila metallella
leafminerHeliozelidaeAntispila treitschkiella
leafminerIncurvariidaeIncurvaria oehlmanniella
leafminerIncurvariidaeIncurvaria pectinea
leafpustuleChytridialesSynchytrium aureum
leafvagrantsummer generationAphididaeAphis fabae
leafvagrantEriophyidaeAnthocoptes cornicolus
leafvagrantEriophyidaeAnthocoptes platynotus
leafvagrantEriophyidaeShevtchenkella glabratae
leafvagrantEriophyidaeTegonotus acutilobus
stemgallDiaspididaeChionaspis salicis
stemgallRhizobialesAgrobacterium tumefaciens
stemgallSantalaceaeViscum album
stemscaleCoccidaeEulecanium tiliae
stemscaleCoccidaeParthenolecanium corni
leafvagrantspring generationAphididaeAnoecia haupti
leafvagrantspring generationAphididaeAnoecia major
leafvagrantspring generationrarelyAphididaeAnoecia furcata

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 25.vii.2020