Antonelli, Art

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The cabbage maggot, Delia radicum, is a common insect pest in Washington. It attacks a variety of plants including cabbage, broccoli, cauliflower, radishes, and rutab ...

This scale insect attacks a variety of hosts in Washington, including fruit trees, roses, and cherrylaurel hedges. Authors discuss biology and control of this pest. Homeowner products are listed.

Ants in this collective category invade wood that is rotting or in final decay stages. The ants do not cause the decay, but indicate an existing problem. Yellow and cornfield ants are described. Co ...

When is a slug not a slug? In this case when it's a shiny black sawfly. This insect, related to bees, ants, and wasps, favors pear and cherry, but attacks plum, hawthorn, quince, buttonbrush, and mou ...

Chart lists insecticides registered for use on vegetables in Washington State, by vegetable from Asparagus to Turnip. ...

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Descriptions cover five root weevils that cause most damage on rhododendrons in the Pacific Northwest. Root weevil stages and damage shown in color. Chemical and cultural co ...