Goat Willow

Foodplant / internal feeder
larva of Amauronematus amentorum feeds within fruiting catkin of Salix caprea
Other: major host/prey

Foodplant / open feeder
larva of Amauronematus fasciatus grazes on leaf of Salix caprea
Other: major host/prey

Foodplant / open feeder
larva of Amauronematus semilacteus grazes on leaf of Salix caprea
Other: major host/prey

Foodplant / open feeder
larva of Amauronematus viduatus grazes on leaf of Salix caprea
Other: major host/prey

Plant / resting place / on
puparium of Aulagromyza fulvicornis may be found on leaf of Salix caprea
Other: major host/prey

Foodplant / saprobe
hypophyllous apothecium of Calycellina indumenticola is saprobic on dead, fallen leaf (hairs) of Salix caprea
Remarks: season: 3-7

Foodplant / sap sucker
adult of Compsidolon salicellus sucks sap of Salix caprea
Remarks: season: (7)8-9(10)

Foodplant / saprobe
grouped, immersed perithecium of Coronophora annexa is saprobic on dead twig of Salix caprea
Remarks: season: 1-2

Foodplant / mobile cased feeder
larva of Cryptocephalus coryli grazes in mobile case on fallen leaf of Salix caprea
Remarks: captive: in captivity, culture, or experimentally induced

Plant / resting place / on
adult of Cryptocephalus nitidulus may be found on Salix caprea
Remarks: season: early 5-9

Plant / resting place / on
adult of Cryptocephalus punctiger may be found on Salix caprea
Remarks: season: 5-8
Other: uncertain

Plant / resting place / on
adult of Cryptocephalus pusillus may be found on Salix caprea
Remarks: season: 5-10

Plant / resting place / on
adult of Cryptocephalus violaceus may be found on Salix caprea

Foodplant / saprobe
Diplodina coelomycetous anamorph of Cryptodiaporthe salicella is saprobic on dead twig of Salix caprea
Remarks: season: 1-2

Foodplant / saprobe
mostly in clusters of 2 to 4 pseudothecium of Cucurbitaria rubefaciens is saprobic on dead branch of Salix caprea
Remarks: season: 3-5

Foodplant / saprobe
loosely gregarious, erumpent stroma of Cytospora coelomycetous anamorph of Cytospora salicis is saprobic on dead, often attached twig of Salix caprea
Remarks: season: 1-8

In Great Britain and/or Ireland:
Foodplant / internal feeder
larva of Dorytomus majalis feeds within catkin of Salix caprea

Foodplant / internal feeder
larva of Dorytomus melanophthalmus feeds within catkin of Salix caprea

Foodplant / internal feeder
larva of Dorytomus rufatus feeds within catkin of Salix caprea
Other: major host/prey

Foodplant / internal feeder
larva of Dorytomus salicinus feeds within catkin? of Salix caprea

Foodplant / feeds on
Dorytomus salicis feeds on Salix caprea

Foodplant / internal feeder
larva of Dorytomus taeniatus feeds within catkin of Salix caprea

Plant / associate
Euphranta toxoneura is associated with Salix caprea

Foodplant / gall
larva of Euura mucronata causes gall of live bud and bud-peduncle of Salix caprea
Other: major host/prey

Foodplant / gall
larva of Euura venusta causes gall of leaf (petiole base) of Salix caprea

Foodplant / saprobe
numerous, clustered, stromatic apothecium of Godronia fuliginosa is saprobic on dead branch of Salix caprea
Remarks: season: 7-8

Foodplant / pathogen
fruitbody of Heterobasidion annosum infects and damages live root of Salix caprea
Other: unusual host/prey

Foodplant / gall
larva of Hexomyza simplicoides causes gall of twig cortex of Salix caprea
Other: major host/prey

Foodplant / saprobe
apothecium of Hyalotricha salicicola is saprobic on dead, fallen leaf of Salix caprea
Remarks: season: 10-12

Foodplant / saprobe
fruitbody of Hydropus scabripes is saprobic on decayed, fallen leaf of litter of Salix caprea
Other: major host/prey

Foodplant / saprobe
effuse stroma of Hypoxylon multiforme is saprobic on dead, decorticate branch of Salix caprea
Remarks: season: 10-4
Other: minor host/prey

Foodplant / saprobe
widely effused stroma of Hypoxylon rubiginosum agg. is saprobic on dead branch of Salix caprea
Other: minor host/prey

Foodplant / saprobe
hypophyllous, usually single, immersed, stromatic perithecium of Isothea saligna is saprobic on dead, fallen leaf of Salix caprea
Remarks: season: 3-8

Foodplant / gall
immersed larva of Iteomyia capreae causes gall of leaf of Salix caprea

Foodplant / open feeder
imago of Lochmaea caprea grazes on leaf of Salix caprea
Other: major host/prey

Foodplant / parasite
hypophyllous uredium of Melampsora caprearum parasitises live leaf of Salix caprea
Other: major host/prey

Foodplant / parasite
mostly hypophyllous, subepidermal telium of Melampsora epitea parasitises live leaf of Salix caprea

Foodplant / saprobe
fruitbody of Mycena truncosalicicola is saprobic on dead, standing trunk of Salix caprea

Foodplant / saprobe
hypophyllous, immersed pseudothecia of Mycosphaerella punctiformis is saprobic on overwintered, fallen leaf of Salix caprea
Remarks: season: 4-5

Foodplant / saprobe
superficial or erumpent stroma of Nemania serpens is saprobic on dead branch of Salix caprea
Other: minor host/prey

Foodplant / feeds on
Orthotylus marginalis feeds on Salix caprea

Foodplant / roller
larva of Pamphilius gyllenhali rolls leaf of Salix caprea

Foodplant / saprobe
rather densely gregarious, subepidermal, emergent pycnidium of Phomopsis coelomycetous anamorph of Phomopsis salicina is saprobic on dead branch of Salix caprea
Remarks: season: 10-5

Foodplant / roller
larva of Phyllocolpa leucapsis rolls leaf edge of Salix caprea

Foodplant / roller
larva of Phyllocolpa leucosticta rolls leaf edge of Salix caprea

Foodplant / pathogen
mycelium of Phytophthora ramorum infects and damages Salix caprea

Plant / associate
Pilophorus clavatus is associated with Salix caprea

Foodplant / gall
larva of Pontania bridgmanii causes gall of leaf of Salix caprea

Foodplant / gall
larva of Pontania pedunculi causes gall of leaf (underside) of Salix caprea
Other: minor host/prey

Foodplant / open feeder
larva of Pristiphora coniceps grazes on leaf of Salix caprea

Foodplant / sap sucker
nymph of Psallus ambiguus sucks sap of Salix caprea
Remarks: season: 5

Foodplant / sap sucker
adult of Psallus haematodes sucks sap of Salix caprea
Remarks: season: late 7-9

Foodplant / sap sucker
nymph of Psallus variabilis sucks sap of Salix caprea
Remarks: season: 6-7

Foodplant / saprobe
erumpent, becoming superficial apothecium of Pyrenopeziza fuckelii is saprobic on dead, fallen leaf of Salix caprea
Remarks: season: 5-8

Foodplant / parasite
Phacidiella anamorph of Pyrenopeziza salicis parasitises live twig of Salix caprea
Remarks: season: 3-5

Foodplant / spot causer
hypophyllous colony of Ramularia anamorph of Ramularia rosea causes spots on live leaf of Salix caprea

Foodplant / internal feeder
larva of Rhynchites tomentosus feeds within bud (vegetative) of Salix caprea

Foodplant / spot causer
conidioma of Melasmia coelomycetous anamorph of Rhytisma salicinum causes spots on live leaf of Salix caprea

Foodplant / mycorrhiza / ectomycorrhiza
fruitbody of Russula subrubens is ectomycorrhizal with live root of Salix caprea
Remarks: Other: uncertain

Plant / associate
adult of Salicarus roseri is associated with Salix caprea
Remarks: season: mid 6-8

Foodplant / saprobe
fruitbody of Schizopora radula is saprobic on dead, decayed wood of Salix caprea
Other: major host/prey

Foodplant / saprobe
fruitbody of Trametes ochracea is saprobic on dead wood of Salix caprea

Foodplant / parasite
cleistothecium of Uncinula adunca var. regularis parasitises live leaf of Salix caprea

Foodplant / saprobe
immersed pseudothecium of Venturia chlorospora is saprobic on dead leaf of Salix caprea
Remarks: season: 4-6

Foodplant / saprobe
fruitbody of Vuilleminia coryli is saprobic on dead, decorticate, attached branch of Salix caprea
Other: unusual host/prey

Foodplant / open feeder
adult of Zeugophora flavicollis grazes on leaf of tree (at least 8m in height) of Salix caprea
Remarks: season: 8-10,5-7