Gardening

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Western encephalitis mosquito. (Credit: Joseph Berger, Bugwood.org)

Mosquito and West Nile Virus Awareness Week

April 16, 2018
By Anne E Schellman
Warming temperatures combined with late spring rains create ideal conditions for mosquitoes to breed, including the mosquitoes that transmit West Nile Virus. To help spread the message about mosquito prevention, April 15-21, 2018 has been designated as Mosquito and West Nile Virus Awareness Week.
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A child reaching for a pesticide stored in a common drinking container. (Credit: ML Poe)

Prevent Pesticide Poisoning at Home

April 4, 2018
By Anne E Schellman
March 18-24 was National Poison Prevention Week. While our blog post may be tardy, it's never too late to raise awareness about the risks associated with using pesticides and how to protect yourself and your family from accidental poisoning.
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Harlequin bug. (Photo: Jack Kelly Clark)

Easter Egg Hunt Answers

March 27, 2018
By Anne E Schellman
Yesterday we posted an Easter egg hunt challenge, and as promised, here are the adult insects and spiders with their matching eggs or egg cases pictured.
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B.

Easter Egg Hunt

March 26, 2018
By Anne E Schellman
Easter often brings to mind colorful eggs hiding in the landscape for children to find. At UC IPM, we thought you'd want to know about eggs already hiding in your yard: insect and spider eggs! Many insects and spiders have strangely shaped and colorful eggs that you may have never noticed.
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Fig 1. Limb dieback and sparse canopy of overwatered olive trees around which turf was planted. Unirrigated trees in the background are healthy. (Photo: L. R. Costello)

Landscape Tree Damage: It's Not Always a Pest Issue

March 14, 2018
By Janet S Hartin
[From the Spring issue of the UC IPM Retail Nursery & Garden Center News] Most disorders impacting landscape trees result from abiotic (non-living) disorders rather than attacks from biotic (living) pests like plant pathogens, insects, and vertebrates.
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California burclover, an annual clover. (Photo: Jack Kelly Clark)

Clovers: A Sign of Good Luck?

March 13, 2018
By Anne E Schellman
In mid-March, many people use clover-themed decorations in preparation for St. Patrick's Day. Many gardens and landscaped areas are decorated with clovers too, especially with recent rains and mild temperatures in much of California.
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A retail shelf showing various pesticide containers. (Photo: Cheryl A. Reynolds)

Amazon Fined for Selling Illegal Pesticides

March 8, 2018
By Anne E Schellman
Online marketplace Amazon.com was recently fined $1.2 million by the United States Environmental Protection Agency (US EPA) for selling and distributing pesticides not registered for sale in the U.S. The EPA discovered nearly 4,000 violations dating back to 2013.
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Fig 1. The margin of a mole mound tends to be circular. (Credit: Larry A. Strand)

What Made That Mound - a Gopher or a Mole?

March 5, 2018
By Anne E Schellman
Finding freshly dug mounds of soil in the garden, lawn, or landscape might be a sign of gophers or moles. Their mounds look similar and are frequently confused for each other. Figure 1 shows a mole mound, which usually is volano-shaped with a circular margin.
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Larva and adult furniture carpet beetles. [Credit: D-H Choe]

Top 20 Pest Notes of 2017

February 27, 2018
By Karey Windbiel-Rojas, Anne E Schellman
Pests have popularity contests too. We recently looked at how many visits our popular Pest Notes publication series received in 2017.
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Webbing clothes moth. (Photo credit: Clemson University, USDA Cooperative Extension Slide Series, Bugwood. org)

Controlling Clothes Moths

February 20, 2018
By Anne E Schellman
Spotting a small moth fluttering around your closet then discovering damaged fabric or other items can be shocking. Upon further inspection, you may even see the silken webs spun by the larvae, or the droppings they leave behind.
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