Pests in the Urban Landscape

Dandelions are broadleaf plants easily recognizable by their bright yellow flower and puffball of white tufted seeds heads.

Unlike mosquitoes, spiders do not seek people in order to bite them. Generally, a spider doesn't try to bite a person unless it has been squeezed, lain on, or similarly provoked to defend itself.

Are you surprised to see aphids on some of your plants this time of year? With the current mild temperatures in California, aphids may continue living and reproducing in some locations this winter, with female adults giving birth to live young every day.

Register for the U.S. EPA Webinar: It Takes an Integrated Pest Management Village - IPM for a Healthier Home and Community Date: Tuesday, January 23, 2018 Time: 2:00 3:00 p.m. ET (11:00 a.m. 12:00 p.m.

The redhumped caterpillar is a familiar pest on fruit and nut trees such as plum, almond, cherry, and apple, as well as on ornamental trees like liquidambar and birch. It can reach high populations in California's Central Valley, sometimes defoliating entire trees.