Spruce Aphid

The spruce aphid, Elatobium abietinum, is destructive of the spruce forests, especially Sitka. Aphid numbers are greatest in February and March, before their damage is discovered. Where damage ...
Fabricante: Antonelli, Art
Sku: EB1053E
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Anobiid Beetles in Structures

Online Only

The anobiid beetles can cause a lot of structural damage to wooden buildings before being discovered because they are usually out of sight. Hemicoelus gibbicollis (Le ...


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Planting birch trees as ornamentals has resulted in the spread of the bronze birch borer (Agrilus anxius Gory). Full color photographs and discussion cover symptoms, life history, stages from e ...

Carpenter Ants: Their Biology and Control

Descriptions, drawings, and color photos of carpenter ants in different stages and habitats. Colony and damage photos included. Cultural and chemical control methods. No products recommended. ...

Common Spiders of Washington (Replaces EB1548)

Spiders are commonly found in the Pacific Northwest. These photos and descriptions of common varieties should ease fears over encounters in darkened hallways. ...