Plant Parasites of Europe

leafminers, galls and fungi

Picea glauca

white spruce

synonym: Picea alba, canadensis, coerulea

organparasitic modestagenotetaxonomic groupparasite
leaf budgallCucurbitariaceaeGemmamyces piceae
leafvagrantMiridaeParapsallus vitellinus
leafvagrantMiridaeAtractotomus magnicornis
leafvagrantMiridaeDichrooscytus fervens
flowerborerPyralidaeDioryctria abietella
leafhiddenPyralidaeDioryctria schuetzeella
stemboreryounger larvaPyralidaeDioryctria simplicella
stemborerUnknown code!PyralidaeDioryctria simplicella
leafhiddenTortricidaeClepsis spectrana
leafvagrantThripidaeThrips pini
leafvagrantTortricidaeCacoecimorpha pronubana
leafvagrantPhytoptidaeNalepella breweriana
stemscaleCoccidaePhysokermes inopinatus
stemscaleCoccidaePhysokermes hemicryphus
fruitgallCecidomyiidaePlemeliella abietina
flowergallCecidomyiidaeKaltenbachiola strobi
flowerpustuleaeciaPuccinialesChrysomyxa pyrolae
leaf budgallAdelgidaeSacchiphantes abietis
leaf budgallAdelgidaeAdelges lapponicus
leaf budgallAdelgidaeAdelges tardus
leaf budgallspring generationAdelgidaeAdelges laricis
leaf budgallspring generationAdelgidaeSacchiphantes viridis
leaf budgallspring generationAdelgidaeAphrastasia pectinatae
leaf budgallspring generationAphididaeGilletteella cooleyi
leafgallaeciaPuccinialesChrysomyxa woronini
leafpustuleaeciaPuccinialesChrysomyxa empetri
leafpustuleaeciaPuccinialesChrysomyxa ledi
leafpustuleaeciaPuccinialesChrysomyxa rhododendri
leafvagrantAphididaeMindarus obliquus
stemvagrantAphididaeCinara piceae
stemvagrantAphididaeElatobium abietinum
stemvagrantAphididaeCinara pilicornis
stemvagrantAphididaeCinara costata
stemvagrantAphididaeCinara pruinosa
stemvagrantAphididaeCinara piceicola
rootvagrantsummer generationAphididaePachypappa vesicalis
rootvagrantsummer generationAphididaeProciphilus xylostei

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 10.viii.2022