Adelges piceae (Ratzeburg)

Adelges piceae (Ratzeburg)

Characteristic swelling of twigs bearing adelgids after a recent attack on the crown

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The requirements to use the photos of this site are to correctly identify the insect and to properly identify the source of the photo:

Jean-Paul Laplante, Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre

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