Antonelli, Art

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Walnut Husk Fly

The walnut husk fly, Rhagoletis completa Cresson, can become a serious pest of walnuts throughout the Pacific Northwest. While the larvae of this fly feed directly on walnut husks, their feeding will ...
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Fungus Gnats

Fungus gnats are small gray-black flies usually found in houses near plants or windows. In times of population explosion, they will feed on plant roots. Here are visual references with a text that ...

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Identification and Habits of Key Ant Pests in the Pacific Northwest

This publication describes the 12 most common ants characterized as structural pests in Washington, Idaho, and Oregon. Drawings and descriptions follow an introduction to ants and their general biolog ...
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Livestock Pests Study Guide

Specialists describe life history of common insect pests of cattle, poultry, sheep, goats, horses, and swine. Symptoms to watch for and consequences of infestation are presented. Authors discuss cultu ...
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Protecting Honeybees Against Yellowjackets

Yellowjackets are usually beneficial because they kill many insect pests. However, some species, such as the western yellowjacket (Paravespula pennsylvanica), the common yellowjacket (P. ...

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Identifying, Treating, and Avoiding Azalea and Rhododendron Problems (EM091)

Full color photos and descriptive text will help you identify disease and insect symptoms on these popular landscape plants.
€9.50