purple willow

synonym: Salix helix, Salix purpurea subsp. eburnea + lambertiana

organ parasitic mode stage note taxonomic group parasite
fruit borer larva Curculionidae Ellescus infirmus
flower borer larva Curculionidae Acalyptus carpini
flower borer larva Curculionidae Dorytomus salicinus
flower borer larva Curculionidae Dorytomus majalis
flower borer larva Curculionidae Dorytomus melanophthalmus
inquiline larva Apionidae Melanapion minimum
stem vagrant Aphididae Chaitophorus lapponum
leaf vagrant spring generation Aphididae Cavariella theobaldi
leaf vagrant Aphididae Aphis roumanica
leaf vagrant Aphididae Chaitophorus longisetosus
leaf bud borer spring generation Tortricidae Gypsonoma dealbana
leaf vagrant summer generation Tortricidae Gypsonoma dealbana
stem gall Cecidomyiidae Rabdophaga saliciperda
stem gall Tortricidae Cydia servillana
stem borer Sesiidae Synanthedon spuleri
stem borer Sesiidae Sesia bembeciformis
leaf vagrant Aphididae Chaitophorus parvus
leaf vagrant Aphididae Chaitophorus gomesi
flower borer Curculionidae Dorytomus taeniatus
flower gall Eriophyidae Stenacis triradiata
leaf bud gall Cecidomyiidae Rabdophaga insignis
leaf bud gall Cecidomyiidae Rabdophaga lindhardti
leaf bud gall Cecidomyiidae Rabdophaga rosaria
leaf down Erysiphales Erysiphe adunca
leaf leaf spot Rhytismatales Rhytisma salicinum
leaf gall Cecidomyiidae Iteomyia major
leaf gall Cecidomyiidae Rabdophaga marginemtorquens
leaf gall Cecidomyiidae Rabdophaga nervorum
leaf gall Cecidomyiidae Rabdophaga salicis
leaf gall Cecidomyiidae Rabdophaga terminalis
leaf gall doubtful Eriophyidae Aceria iteina
leaf gall Eriophyidae Aculus craspedobius
leaf gall Eriophyidae Aculus magnirostris
leaf gall Eriophyidae Aculus tetanothrix
leaf gall Eriophyidae Aculus variabilis
leaf gall Psyllidae Cacopsylla abdominalis
leaf gall Psyllidae Cacopsylla intermedia
leaf gall Psyllidae Cacopsylla pulchra
leaf gall Psyllidae Cacopsylla saliceti
leaf gall Psyllidae Cacopsylla ambigua
leaf gall Psyllidae Cacopsylla elegantula
leaf gall Tenthredinidae Euura vesicator
leaf gall Tenthredinidae Euura viminalis
leaf gall Tenthredinidae Euura polita
leaf gall Tenthredinidae Euura virilis
leaf gall Tenthredinidae Euura purpureae
leaf gall Triozidae Bactericera albiventris
leaf gall Triozidae Bactericera curvatinervis
leaf gall Triozidae Bactericera maura
leaf gall Triozidae Bactericera salicivora
leaf gall Triozidae Bactericera striola
leaf gall Triozidae Bactericera versicolor
leaf miner Agromyzidae Agromyza albitarsis
leaf miner Agromyzidae Aulagromyza tridentata
leaf miner Curculionidae Isochnus sequensi
leaf miner Curculionidae Rhamphus pulicarius
leaf miner main Curculionidae Tachyerges decoratus
leaf miner Gracillariidae Caloptilia stigmatella
leaf miner Gracillariidae Phyllocnistis saligna
leaf miner Gracillariidae Phyllonorycter connexella
leaf miner Gracillariidae Phyllonorycter pastorella
leaf miner Gracillariidae Phyllonorycter salictella
leaf miner Lyonetiidae Leucoptera sinuella
leaf miner Nepticulidae Stigmella pallidiciliella
leaf miner Nepticulidae Stigmella salicis
leaf miner Tenthredinidae Heterarthrus microcephalus
leaf pustule Chytridiales Synchytrium aureum
leaf pustule uredinia telia Pucciniales Melampsora abietis-caprearum
leaf pustule uredinia telia rarely Pucciniales Melampsora caprearum
leaf pustule uredinia telia Pucciniales Melampsora epitea
leaf pustule uredinia telia Pucciniales Melampsora laricis-epitea
leaf pustule uredinia telia Pucciniales Melampsora ribesii-purpureae
leaf vagrant Eriophyidae Aculus phyllocoptoides
stem borer Agromyzidae Phytobia cambii
stem borer Cecidomyiidae Rabdophaga purpureaperda
stem gall Cecidomyiidae Rabdophaga degeerii
stem gall Cecidomyiidae Rabdophaga dubiosa
stem gall Cecidomyiidae Rabdophaga justini
stem gall doubtful Cecidomyiidae Rabdophaga karschi
stem gall doubtful Cecidomyiidae Rabdophaga pulvini
stem gall Sesiidae Synanthedon flaviventris
stem gall Sesiidae Synanthedon formicaeformis
stem gall Tenthredinidae Euura salicispurpureae
stem vagrant Aphididae Plocamaphis amerinae
stem vagrant Aphididae Pterocomma pilosum
root gall Saproleginiales Jaraia salicis
inquiline Cecidomyiidae Dasineura clausilia
leaf vagrant Aphididae Chaitophorus mordvilkoi
leaf vagrant Aphididae Chaitophorus niger
leaf vagrant Aphididae Chaitophorus truncatus
stem vagrant Aphididae Pterocomma rufipes
stem vagrant Aphididae Pterocomma salicis
stem gall Aphididae Tuberolachnus salignus
stem vagrant Aphididae Aphis farinosa
stem vagrant Aphididae Pterocomma italicum
leaf vagrant spring generation Aphididae Cavariella aegopodii
leaf vagrant Aphididae Chaitophorus nigricantis
leaf vagrant spring generation Aphididae Cavariella archangelicae
leaf vagrant spring generation Aphididae Cavariella konoi
leaf vagrant spring generation Aphididae Cavariella 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.

 

mod 15.vii.2019