Plant Parasites of Europe

leafminers, galls and fungi

genus Cedrus

organparasitic modestagenotetaxonomic groupparasite
stemborerBuprestidaeAcmaeodera bipunctata
stemborerBuprestidaeAnthaxia parallela
stemborerBuprestidaeAnthaxia nigritula
leafvagrantadultCercopidaeHaematoloma dorsata
stemborerdoubtfulCurculionidaeTomicus minor
stemborerdoubtfulCurculionidaePityogenes bistridentatus
stemborerCurculionidaeOrthotomicus robustus
stemborerCurculionidaePityogenes calcaratus
stemborerCurculionidaeTrypodendron lineatum
stemborerCurculionidaeCarphoborus henscheli
stemborerCurculionidaePhloeosinus cedri
stemborerrarelyCurculionidaeOrthotomicus erosus
stemborerCurculionidaeCrypturgus numidicus
stemborerCurculionidaeHylastes batnensis
stemborerCurculionidaeOrthotomicus tridentatus
stemborerCurculionidaePhloeosinus acatayi
stemborerCurculionidaeXyleborinus saxesenii
stemborerCurculionidaeIps sexdentatus
stemborerCurculionidaeCryphalus numidicus
stemscaleDiaspididaeDynaspidiotus britannicus
leafvagrantChrysomelidaeCalomicrus apicalis
stemborerSiricidaeXeris spectrum
leafscaleDiaspididaeLepidosaphes newsteadi
flowervagrantCoreidaeLeptoglossus occidentalis
leafscaleDiaspididaeDynaspidiotus abietis
leafscaleDiaspididaeAspidiotus nerii
leafscaleDiaspididaeLepidosaphes juniperi
leafscaleCoccidaeCoccus hesperidum
leafscaledoubtfulDiaspididaeLeucaspis pini
leafscaleDiaspididaeLeucaspis pusilla
leafscaleDiaspididaeCarulaspis juniperi
leafvagrantAphididaeCinara laportei
stemvagrantrarelyAphididaeCinara confinis
stemvagrantrarelyAphididaeCinara curvipes
stemvagrantAphididaeCinara cedri
leafvagrantAphididaeIllinoia morrisoni

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 17.ii.2021