Plant Parasites of Europe

leafminers, galls and fungi

Salix lapponum

downy willow

synonym: Salix marrubifolia

organparasitic modestagenotetaxonomic groupparasite
leafvagrantCicadellidaeEdwardsiana tersa
flowerborerlarvaCurculionidaeDorytomus rufatus
leafvagrantTenthredinidaeEuura septentrionalis
leafvagrantTenthredinidaeEuura tenuis
leafvagrantTenthredinidaeEuura cadderensis
leafhiddenGelechiidaeCarpatolechia notatella
leafvagrantAphididaeChaitophorus horii beuthani
leafvagrantspring generationAphididaeCavariella theobaldi
root collarborerSesiidaeSynanthedon polaris
leafgallEriophyidaeAculus tetanothrix
leafgallCecidomyiidaeRabdophaga marginemtorquens
budgallTenthredinidaeEuura lappo
leafgallPsyllidaeCacopsylla ambigua
leafgallPsyllidaeCacopsylla brunneipennis
leafgallPsyllidaeCacopsylla moscovita
leafgallPsyllidaeCacopsylla nigrita
leafgallPsyllidaeCacopsylla palmeni
leafgallPsyllidaeCacopsylla propinqua
leafgallPsyllidaeCacopsylla zaicevi
leafgallTenthredinidaeEuura crassipes
leafgallTenthredinidaeEuura samolad
leafgallTenthredinidaeEuura acutiserra
leafgallTenthredinidaeEuura plicalapponum
leafgallTenthredinidaeEuura dolichura
leafgallTenthredinidaeEuura venusta
leafgalldoubtfulTenthredinidaeEuura destricta
leafgallTenthredinidaeEuura arcticornis
leafgallTriozidaeBactericera parastriola
leafgallTriozidaeBactericera salicivora
leafgallTriozidaeBactericera striola
leafgallTriozidaeBactericera substriola
leafminerGracillariidaePhyllonorycter rolandi
leafminerLyonetiidaeLyonetia pulverulentella
leafminerNepticulidaeStigmella zelleriella
leafminerTenthredinidaeFenusella septentrionalis
leafpustuleuredinia teliaPuccinialesMelampsora lapponum
stemgallTenthredinidaeEuura auritae
leafvagrantAphididaeChaitophorus capreae
stemvagrantAphididaePterocomma rufipes
stemvagrantAphididaeChaitophorus lapponum
rootvagrantdoubtfulAphididaePemphigus saliciradicis
stemvagrantAphididaePterocomma salicis
leafvagrantspring generationAphididaeCavariella aquatica

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 28.xii.2020