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Spruce (Picea) - (Forest/park trees)

List of pests-diseases-weeds for country: U.S.A. (NW)

Information on all pests, diseases and weeds can be found in the downloadable Excel files
click on a pest/disease/weed to display a list of relevant publications

diseases
pests
weeds

diseases:

Ascomycota - Sordariomycetes:

Fusarium proliferatum
Leptographium abietinum

pests:

Coleoptera:

Dendroctonus rufipennis
Otiorhynchus ovatus
Pissodes strobi
Polygraphus rufipennis
Scolytus piceae

Hemiptera - Sternorrhyncha:

Mindarus obliquus
Physokermes hemicryphus

Lepidoptera:

Choristoneura freemani

Other insect orders (plant/storage pests):

Gilpinia hercyniae

weeds:

Eudicotyledons (other orders):

Arceuthobium abietinum (weed)