- Author: Elizabeth E Grafton-Cardwell
Attention Pest Management Professionals!
Are you looking for continuing education units (CEUs) to complete your renewal application this year for the Department of Pesticide Regulation (DPR)? The UC Statewide IPM Program and the Lindcove Research and Extension Center have online courses available that can help you get those needed credits. All courses have moved to the pest management section of the national eXtension online campus system. Be sure to spend at least 1 hour on each unit to receive...
- Author: Elizabeth E Grafton-Cardwell
(Credit: M. Lewis, CISR)
[This post has been modified from the article originally published in the Fall 2018 issue of the Retail Nursery and Garden Center IPM News.]
Citrus trees remain a popular choice for home gardeners in California, largely due to their ease of care, beauty, and functionality for food and shade. However, backyard citrus can also be plagued by pests such as psyllids, leafminers, cottony cushion scale, and mealybugs.
Longtime readers of this blog will know that we have covered the
- Author: Elizabeth E Grafton-Cardwell
- Editor: Elaine Lander
(Credit: E. Grafton-Cardwell, UCCE)
[This post has been modified from the article originally published in the Fall 2018 issue of the Retail Nursery and Garden Center IPM News.]
Citrus leafminer is a moth that arrived in California in 2000 and has invaded citrus throughout the state. This small moth lays its eggs on new, succulent citrus leaves. The larvae burrow through the soft leaf tissue, creating shallow meandering...
- Author: Elizabeth E Grafton-Cardwell
- Editor: Elaine Lander
[This post has been modified from the article originally published in the Fall 2018 issue of the Retail Nursery and Garden Center IPM News.]
As a home gardener, you may find big white bugs clinging to the twigs and leaves of your citrus trees and need help with identifying and managing these pests. At first glance, they may look similar but in order to have effective pest management, it's important to first determine what they are. Mealybugs and cottony cushion scale are...
- Author: Elizabeth E Grafton-Cardwell
- Editor: Elaine Lander
(Credit: M. Lewis, CISR)
[This post has been modified from the article originally published in the Fall 2018 issue of the Retail Nursery and Garden Center IPM News.]
The Asian citrus psyllid, Diaphorina citri, is a tiny, mottled brown insect about the size of an aphid (Figure 1). This psyllid feeds on all varieties of citrus and some related ornamental plants like orange jessamine. It damages citrus leaves by feeding on new leaf growth, causing the leaves to...
