tea-leaved willow

synonym: Salix hibernica, laurina

organ parasitic mode stage note taxonomic group parasite
root collar borer Sesiidae Synanthedon polaris
leaf gall Eriophyidae Aculus tetanothrix
flower gall Eriophyidae Stenacis triradiata
bud gall Tenthredinidae Euura myrsinifoliae
leaf gall Cecidomyiidae Iteomyia major
leaf gall Cecidomyiidae Rabdophaga nervorum
leaf gall Eriophyidae Aculus myrsinites
leaf gall Psyllidae Cacopsylla ambigua
leaf gall Psyllidae Cacopsylla brunneipennis
leaf gall Psyllidae Cacopsylla elegantula
leaf gall Psyllidae Cacopsylla flori
leaf gall Psyllidae Cacopsylla nigrita
leaf gall Psyllidae Cacopsylla palmeni
leaf gall Psyllidae Cacopsylla zaicevi
leaf gall Tenthredinidae Euura arcticornis
leaf gall Tenthredinidae Euura pustulator
leaf gall Tenthredinidae Euura plicaphylicifolia
leaf gall Tenthredinidae Euura femoralis
leaf gall Tenthredinidae Euura anomaloptera
leaf gall Tenthredinidae Euura nudipectus
leaf gall Tenthredinidae Euura destricta
leaf gall Tenthredinidae Euura bridgmanii
leaf gall Tenthredinidae Euura pedunculi
leaf gall Tenthredinidae Euura samolad
leaf gall Triozidae Bactericera parastriola
leaf gall Triozidae Bactericera striola
leaf miner Gracillariidae Callisto coffeella
leaf miner Lyonetiidae Lyonetia pulverulentella
leaf miner Nepticulidae Ectoedemia intimella
leaf miner Nepticulidae Stigmella benanderella
leaf miner Tenthredinidae Heterarthrus microcephalus
leaf pustule uredinia telia Pucciniales Melampsora epitea
leaf pustule uredinia telia rarely Pucciniales Melampsora laricis-epitea
leaf vagrant Eriophyidae Acaphyllisa salicobia
unknown unknown Tenthredinidae Euura nitidinota
leaf vagrant Aphididae Chaitophorus niger
leaf vagrant Aphididae Chaitophorus truncatus
stem vagrant Aphididae Pterocomma rufipes
stem vagrant Aphididae Chaitophorus lapponum
leaf vagrant Aphididae Chaitophorus nigricantis
leaf vagrant Aphididae Cavariella intermedia
leaf vagrant spring generation Aphididae Cavariella pastinacae

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