hawthorns
Description
Insects and mites
Insects that cause damage to this tree.
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Pear Sawfly (Pear slug)
Scientific name: Caliroa cerasi (Linnaeus)
Foliage or buds
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Maple leafcutter
Scientific name: Paraclemensia acerifoliella (Fitch)
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Mountain-ash sawfly
Scientific name: Pristiphora geniculata (Hartig.)
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Northern tent caterpillar
Scientific name: Malacosoma californicum pluviale (Dyar)
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Pear Sawfly (Pear slug)
Scientific name: Caliroa cerasi (Linnaeus)
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Uglynest caterpillar
Scientific name: Archips cerasivorana (Fitch)
Roots, bark, stem or trunk, or branches
Diseases caused by pathogens
Diseases caused by pathogens that cause damage to this tree.
Flowers, fruits, or seeds
Fire blight
Pathogen name: Erwinia amylovora (Burrill, 1882) Winslow et al., 1920 emend. Hauben et al., 1998
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Fire blight
Pathogen name: Erwinia amylovora (Burrill, 1882) Winslow et al., 1920 emend. Hauben et al., 1998
Foliage or buds
Fire blight
Pathogen name: Erwinia amylovora (Burrill, 1882) Winslow et al., 1920 emend. Hauben et al., 1998
-
Fire blight
Pathogen name: Erwinia amylovora (Burrill, 1882) Winslow et al., 1920 emend. Hauben et al., 1998
Roots, bark, stem or trunk, or branches
Distribution map
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