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Insects - Bark Beetles and Phloem Feeding Insects

Remove Filters: Edward H. Holsten(X)
15 Images of 2 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
0805012 northern spruce engraver Ips perturbatus
0805011 northern spruce engraver Ips perturbatus white spruce mortality
0805009 spruce beetle Dendroctonus rufipennis
0805006 spruce beetle Dendroctonus rufipennis and eggs
0805007 spruce beetle Dendroctonus rufipennis
0805004 spruce beetle Dendroctonus rufipennis
0805014 northern spruce engraver Ips perturbatus
0805001 spruce beetle Dendroctonus rufipennis
0805002 spruce beetle Dendroctonus rufipennis infested white spruce attacked by beetles from infested log stack
0805008 spruce beetle Dendroctonus rufipennis third instars
1241447 spruce beetle Dendroctonus rufipennis Red-brown boring dust in lower bark crevices and around tree base is a sign of an attack.
1241448 spruce beetle Dendroctonus rufipennis Egg and larval galleries showing gregarious feeding habit of larvae.
0805013 northern spruce engraver Ips perturbatus frass on bark
0805010 spruce beetle Dendroctonus rufipennis woodpecker activity
0805005 spruce beetle Dendroctonus rufipennis frass

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