The following press release was distributed on October 17, 2016 by the California Department of Food and Agriculture.
Insect that carries disease deadly to citrus trees found in Placer County.
A portion of Placer County has been placed under quarantine for Asian citrus psyllid (ACP) following the detection of multiple life stages on citrus trees within the City of Lincoln.
The quarantine zone in Placer County measures 118 square miles, bordered on the north by Riosa Road; on the south by the Roseville City Limit; on the west by Brewer Road; and on the east by Fowler Road. The quarantine map for Placer County is available online 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....
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1. Ants
Most people deal with ants around their home at some point. Because most ants live outdoors, focus efforts on keeping ants from entering buildings by caulking entryways. Follow good sanitation practices to make your home less attractive to ants. Spraying ants inside the home will not prevent more ants from entering. Use baits to control the ant colony. Pesticide baits work by attracting worker ants who then take the poison back to the nest where the entire colony, including queens, can be killed. In the landscape, ants protect...
/h2>- Author: Elizabeth E Grafton-Cardwell
- Author: Matthew Daugherty
- Author: Cheryl A. Wilen
[From the March 2016 issue of UC IPM's Retail Nursery & Garden Center IPM News]
Asian citrus psyllid (ACP) continues to spread and to be an ever-present concern in California. Because of this, we have updated information from the April 2015 issue of UC IPM's Retail IPM newsletter to share with your customers.
Until 2013, ACP was mostly found in Southern California, but has since been found in multiple locations in the Central Valley and has been detected as far north as the San Francisco Bay Area. The psyllid is well-established in coastal and inland Southern California and it is slowly establishing itself in...
- Author: Anne Schellman
- Author: Karey Windbiel Rojas
Gardeners and other consumers frequently look to retail nursery and garden center employees to answer questions about pests and pesticides. To help retailers stay abreast of current pest topics facing California, UC IPM held a workshop for retail employees on January 28, 2016 in Ontario, CA focusing on integrated pest management (IPM) concepts and current issues. Partnering with local UC Cooperative Extension (UCCE) Advisors and Specialists, the day was filled with information participants could bring back to customers to address their pest and plant problems.
Topics addressed in these workshops include:
- Invasive Pests
- Asian citrus psyllid and...