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U.S.A. (SW)
List of pests-diseases-weeds for crop/product: Birch (Betula)
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 publications
pests:
Hemiptera - Sternorrhyncha:
Betulaphis brevipilosaCalaphis flavaCallipterinella callipteraEuceraphis betulae
Lepidoptera:
Paranthrene robiniae