almond willow

synonym: Salix amygdalina, triandra subsp. concolor + discolor

organ parasitic mode stage note taxonomic group parasite
leaf hidden Tortricidae Apotomis infida
leaf miner younger larva Tortricidae Cnephasia asseclana
leaf hidden older larva Tortricidae Cnephasia asseclana
leaf miner Nepticulidae Ectoedemia intimella
flower borer larva Curculionidae Dorytomus melanophthalmus
leaf vagrant spring generation Aphididae Cavariella archangelicae
leaf vagrant summer generation Tortricidae Gypsonoma dealbana
leaf bud borer spring generation Tortricidae Gypsonoma dealbana
stem gall Cecidomyiidae Rabdophaga saliciperda
leaf bud gall Cecidomyiidae Rabdophaga rosaria
stem gall Sesiidae Synanthedon formicaeformis
leaf vagrant spring generation Aphididae Cavariella pastinacae
leaf vagrant spring generation Aphididae Cavariella theobaldi
fruit gall spring generation Cecidomyiidae Rabdophaga heterobia
flower gall Eriophyidae Stenacis triradiata
leaf bud gall Cecidomyiidae Rabdophaga gemmicolata
leaf bud gall doubtful Cecidomyiidae Rabdophaga iteobia
leaf bud gall summer generation doubtful Cecidomyiidae Rabdophaga heterobia
leaf bud gall doubtful Eriophyidae Aculus gemmarum
leaf down Erysiphales Erysiphe adunca
leaf down Erysiphales Phyllactinia populi
leaf leaf spot Rhytismatales Rhytisma salicinum
leaf leaf spot Venturiales Venturia saliciperda
leaf gall Cecidomyiidae Iteomyia capreae
leaf gall Cecidomyiidae Rabdophaga terminalis
leaf gall Eriophyidae Aceria craspedophyes
leaf gall Eriophyidae Aculus tetanothrix
leaf gall Psyllidae Cacopsylla brunneipennis
leaf gall Psyllidae Cacopsylla pulchra
leaf gall Tenthredinidae Euura testaceipes
leaf gall Tenthredinidae Euura triandrae
leaf gall Tenthredinidae Euura oblita
leaf gall Triozidae Bactericera albiventris
leaf gall Triozidae Bactericera maura
leaf miner Agromyzidae Agromyza albitarsis
leaf miner Agromyzidae Aulagromyza tridentata
leaf miner Chrysomelidae Zeugophora flavicollis
leaf miner Coleophoridae Coleophora lusciniaepennella
leaf miner Curculionidae Isochnus sequensi
leaf miner Curculionidae Rhamphus pulicarius
leaf miner Curculionidae Tachyerges decoratus
leaf miner Gracillariidae Caloptilia stigmatella
leaf miner Gracillariidae Phyllocnistis saligna
leaf miner Gracillariidae Phyllocnistis valentinensis
leaf miner Gracillariidae Phyllonorycter heringiella
leaf miner Gracillariidae Phyllonorycter pastorella
leaf miner Gracillariidae Phyllonorycter salictella
leaf miner Nepticulidae Stigmella nivenburgensis
leaf miner Nepticulidae Stigmella obliquella
leaf miner Nepticulidae Stigmella salicis
leaf miner Tenthredinidae Heterarthrus microcephalus
leaf pustule aecia uredinia telia Pucciniales Melampsora amygdalinae
leaf pustule uredinia telia Pucciniales Melampsora epitea
leaf pustule uredinia telia rarely Pucciniales Melampsora ribesii-viminalis
leaf vagrant Eriophyidae Acaphyllisa salicobia
stem borer Agromyzidae Phytobia cambii
stem borer Cecidomyiidae Rabdophaga triandraperda
stem gall Santalaceae Viscum album
stem vagrant Aphididae Pterocomma pilosum
root gall Saproleginiales Jaraia salicis
leaf vagrant Aphididae Chaitophorus niger
leaf vagrant Aphididae Chaitophorus truncatus
stem vagrant Aphididae Aphis farinosa
leaf vagrant Aphididae Chaitophorus nigricantis
stem gall Aphididae Tuberolachnus salignus
stem vagrant Aphididae Pterocomma rufipes
stem vagrant Aphididae Chaitophorus vitellinae
stem vagrant Aphididae Pterocomma salicis
stem vagrant Aphididae Plocamaphis flocculosa


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.


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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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 22.i.2020