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Insects (7)
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    Foliage Diseases (4)
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    Terminal, Tip, Stem and Shoot Insects (3)
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    Hemiptera (5)
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Ornamentals: Christmas Trees

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Subject Scientific Name Images
balsam woolly adelgid Adelges piceae 2
black pineleaf scale Dynaspidiotus californica 3
cooley spruce gall adelgid Adelges cooleyi 1
cryptomeria scale Aspidiotus cryptomeriae 2
dusty-wings 1
gladiolus rust Uromyces transversalis 1
pine needle scale Chionaspis pinifoliae 1
Ploioderma needle cast of pine Ploioderma lethale 1
Rhabdocline needlecast Rhabdocline weirii 1
spruce needle rust Chrysomyxa weirii 1
western gall rust Endocronartium harknessii 4
white pine weevil Pissodes strobi 1

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