Plant Parasites of Europe

leafminers, galls and fungi

genus Cydonia

organparasitic modestagenotetaxonomic groupparasite
leafvagrantadultCurculionidaeOtiorhynchus smreczynskii
leafgallrarelyPsyllidaeCacopsylla mali
stemborerCurculionidaeMagdalis ruficornis
leafvagrantTenthredinidaeCaliroa cerasi
stemscalePseudococcidaePhenacoccus aceris
stemscaleCoccidaeEulecanium ciliatum
leafhiddenTortricidaeAcleris rhombana
leafhiddenGelechiidaeTeleiodes italica
leafhiddenTortricidaeSpilonota ocellana
fruitborerTortricidaeCydia pomonella
leafhiddenTortricidaeAdoxophyes orana
leafhiddenTortricidaeAcleris variegana
stemborerTortricidaeEnarmonia formosana
leafvagrantTortricidaeAcleris holmiana
leafvagrantTenuipalpidaeBrevipalpus obovatus
systemicvagrantTenuipalpidaeCenopalpus lanceolatisetae
leafpustuleaeciaPuccinialesGymnosporangium asiaticum
leafgalllarvaRhynchitidaeByctiscus betulae
stemborerlarvaRhynchitidaeRhynchites caeruleus
fruitborerlarvaRhynchitidaeRhynchites bacchus
fruitborerlarvaRhynchitidaeTatianaerhynchites aequatus
leafminerRhynchitidaeNeocoenorrhinus pauxillus
leafscaleAleyrodidaeAleurocanthus spiniferus
stemborerSesiidaeSynanthedon myopaeformis
fruitborerTephritidaeCeratitis capitata
leafleaf spotHelotialesDiplocarpon mespili
rootgalldoubtfulAphididaeAploneura ampelina
leafgallPsyllidaeCacopsylla melanoneura
stemborerdoubtfulAgromyzidaePhytobia carbonaria
leafvagrantTenuipalpidaeCenopalpus pulcher
leafdownErysiphalesPhyllactinia mali
leafdownErysiphalesPodosphaera clandestina
leafdownErysiphalesPodosphaera leucotricha
leafgallAphididaeAphis pomi
leafgallspring generationAphididaeDysaphis pyri
leafgallEriophyidaeEriophyes orientalis
leafgallEriophyidaeEriophyes pyri
leafgallrarelyPsyllidaeCacopsylla mali
leafgallTaphrinalesTaphrina bullata
leafminerBucculatricidaeBucculatrix bechsteinella
leafminerColeophoridaeColeophora hemerobiella
leafminerColeophoridaeColeophora prunifoliae
leafminerColeophoridaeColeophora serratella
leafminerColeophoridaeColeophora spinella
leafminerColeophoridaeColeophora violacea
leafminerCurculionidaeRhamphus oxyacanthae
leafminerGelechiidaeRecurvaria nanella
leafminerGracillariidaeParornix anguliferella
leafminerGracillariidaePhyllonorycter corylifoliella
leafminerGracillariidaePhyllonorycter hostis
leafminerrarelyGracillariidaePhyllonorycter leucographella
leafminerGracillariidaePhyllonorycter mespilella
leafminerGracillariidaePhyllonorycter oxyacanthae
leafminerGracillariidaePhyllonorycter sorbi
leafminerLyonetiidaeLeucoptera malifoliella
leafminerLyonetiidaeLyonetia clerkella
leafminerLyonetiidaeLyonetia prunifoliella
leafminerdoubtfulNepticulidaeStigmella incognitella
leafminerNepticulidaeStigmella oxyacanthella
leafpustuleaeciaPuccinialesGymnosporangium clavariiforme
leafpustuleaeciaPuccinialesGymnosporangium confusum
leafpustuleaeciaPuccinialesGymnosporangium gracile
leafpustuleaeciaPuccinialesGymnosporangium tremelloides
leafvagrantspring generationAphididaeRhopalosiphum oxyacanthae
leafvagrantspring generationAphididaeOvatus crataegarius
leafvagrantDiptilomiopidaeDiptacus gigantorhynchus
leafvagrantEriophyidaeAculus schlechtendali
stemgallsummer generationAphididaeEriosoma lanigerum
stemgallEriophyidaeAcalitus phloeocoptes
stemgallRhizobialesAgrobacterium tumefaciens
stemgallSantalaceaeViscum album
rootvagrantsummer generationAphididaeEriosoma flavum
rootvagrantsummer generationAphididaeEriosoma lanuginosum
stemscaleCoccidaeEulecanium tiliae
leafvagrantspring generationAphididaeOvatus crataegarius
leafvagrantsummer generationAphididaeAphis fabae
leafvagrantsummer generationAphididaeMyzus persicae
leafvagrantAphididaeAphis spiraecola
leafvagrantspring generationrarelyAphididaeOvatus insitus

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 6.ix.2020