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Spruce (Picea) - (Forest/park trees)
List of pests-diseases-weeds for country: U.S.A. (SW)
Information on all pests, diseases and weeds can be found in the
downloadable Excel filesclick on a pest/disease/weed to display a list of relevant publicationsAscomycota - Sordariomycetes:
Leptographium abietinum
Basidiomycota:
Heterobasidion parviporumColeoptera:
Dendroctonus rufipennis
Hemiptera - Sternorrhyncha:
Gilletteella cooleyi
Lepidoptera:
Choristoneura freemaniEudicotyledons (other orders):
Arceuthobium campylopodum (weed)Arceuthobium vaginatum (weed)