If you have ants climbing up and down trees and shrubs in your landscape, and your trees and shrubs appear to have a sticky substance covering their leaves, you'll want to watch UC IPM's newest YouTube video, “Using a Sticky Barrier to Prevent Ants on Trees and Shrubs”.
The short video explains that the sticky substance on your leaves is honeydew, a sugary substance excreted by aphids, psyllids and a few other plant pests. Ants harvest this...
If you have insects invading your kitchen or pantry, or if you've ever opened stored food products and discovered pests inside, you'll want to watch this new video from UC IPM. It describes several types of pantry pests, foods they are attracted to, and includes steps on how to prevent, manage and eliminate them from your home.
For more detailed information, read the Pantry Pests Pest Note. You can also read an article about pantry pests in the Retail and Garden Center IPM News at
August 11, 2016
Two more trees have been confirmed positive for Huanglongbing (HLB), the plant disease carried by an invasive insect called the Asian citrus psyllid (ACP).
One tree is located in San Gabriel and the other is in Hacienda Heights, in very close proximity to the original HLB find from 2012. As always, the California Department of Food and Agriculture worked quickly to contact the homeowners and remove the infected trees. The tree in San Gabriel has already been removed, and the tree in Hacienda Heights is scheduled to be removed today.
The Citrus Pest & Disease Prevention Program outreach team has been active with HLB education in Los Angeles for many months....
- Author: Jeannette E. Warnert
Weeds don't just look unsightly, they also rob other plants of water, says a UC Agriculture and Natural Resources (UC ANR) expert in a new water conservation video released today.
Any loss of water is a concern as California's fourth summer of drought comes to a close. Missy Gable, director of the UC Master Gardener Program, suggests removing weeds so they won't compete with ornamental plants or edible vegetables.
If weeds are scattered throughout your yard and mixed in with plants, hand-weeding is probably the best eradication method. Cultivation can damage ornamentals with shallow roots, bring weed seeds to...
- Author: Karey Windbiel-Rojas
For many people, warmer weather means more time outside and more exposure to mosquitoes. Mosquitoes are not only annoying, they can also transmit the potentially deadly West Nile virus.
Two new videos from UC IPM, “Don't let mosquitoes breed in your yard!” and “Protect yourself from mosquito bites” show how to keep yourself and your family from getting bitten and how to eliminate sites around your home where mosquitoes can breed.
Find out more on UC IPM's Mosquito page: