Thrips: Pest Notes for Home and Landscape
Thrips are tiny, slender insects with fringed wings. Some are beneficial predators that feed on other insects and mites, others are pests that feed on plants and scar leaf, flower, or fruit surfaces.
This serious and devastating pest of tomatoes is on the move. Computer models have predicted that this pest has a moderate likelihood of establishing itself in California. Learn how to identify and report this dangerous invasive pest.
Urban Pest Management of Ants in California
This guide for pest control professionals will help you develop more effective, targeted solutions to urban ant problems.
Publication Number:: 3538SET1
The primary damage from the husk fly is staining of the nutshell; a problem in commercial orchards where nuts are grown for in-shell sale, but it can be tolerated in backyard situations. An early-season infestation may result in shriveled, moldy kernels.
Whiteflies are tiny, sap-sucking insects that may become abundant in vegetable and ornamental plantings, especially during warm weather. Large populations of whiteflies can cause leaves to turn yellow, appear dry, or fall off.
Widow Spiders and their Relatives: Pest Notes for Home and Landscape
Western Black Widows and Brown Widows (in Southern California) thrive in cluttered, little-used areas around the home. Their bite causes numbness, sweats, and worse -- but there is a good antivenom. Best advice: Keep your garage and yard clutter-free.
Windscorpion: Pest Notes for Home and Landscape
The windscorpion is a predatory creature related to spiders. Other names used for it include camel spider and sunspider, but it is neither a spider nor a scorpion. It is common from the arid southwest to California’s San Joaquin Valley.
Wood Wasps and Horntails: Pest Notes for Home and Landscape
The common names wood wasp and horntail are used to describe several kinds of wood-boring insects. Of greatest human interest are the large, nonstinging wasps that normally are attracted to and complete their life cycles in dead or dying conifer trees.
Wood-Boring Beetles in Homes: Pest Notes for Home and Landscape
One of the most troublesome of the social wasps is the yellowjacket. Yellowjackets, especially ground- and cavity-nesting ones such as the western yellowjacket, tend to defend their nests vigorously when disturbed.
Zoropsis spinimana, A Mediterranean Spider in California: Pest Notes for Home...
Zoropsis spiders have been in the San Francisco Bay Area since the mid-1990s. With a body up to 5/8 inch long and a leg span of up to 1 1/4 inches, this harmless hunting spider can be confused with the wolf spider. Learn to know the difference.