- Author: Lauren Fordyce
Are you noticing an abundance of cobwebs outside, on plants, fences, homes, or outdoor furniture?
While many people fear spiders or dislike their cobwebs, most spiders are beneficial to have around– even in the home! Spiders are predators of many insect pests and rarely cause harm to people. The only medically significant spiders in California are brown and black widows. While these spiders have the potential to cause harm, it is rare that they will bite, even in areas where they are very common. Like most spiders, they prefer to stay hidden and avoid people.
Some common web-spinning spiders you might encounter outdoors...
Spring is finally here, but unfortunately so are the pests!
While doing your spring cleaning or staying indoors due to our recent rain, you may have noticed some insects and spiders have moved in with you. Many pests are emerging from their winter rest, and taking cover from the cool, wet weather.
If you've found tiny brown, white, and black patterned beetles on windowsills, curtains, or walls near entryways, they may be carpet beetles. Adult beetles are about 1/10 inch and feed on pollen and nectar from flowers like crape myrtle and spirea. They can be brought indoors on cut flowers or they may fly in from nearby plants outside. A few adult beetles inside your home are typically not a problem. However, be on...
- Author: Belinda J. Messenger-Sikes
- Author: Karey Windbiel-Rojas
- Posted by: Lauren Fordyce
While venomous spiders like black widows are well-known, there are many harmless spiders that live in and around our homes and outdoor areas. Spiders are beneficial because they prey on insects and other pests. Most spiders are not likely to bite you and are not dangerous.
Types of Spiders
Spider families vary by body shape, web type, hunting or other behavior, and the arrangement and size of their eyes. There is a wide range of spiders you might encounter in your home or landscape in California.
One of the most recognizable is the cellar spider. Cellar spiders have long, skinny legs and hang upside down in dark corners, often...
- Author: Lauren Fordyce
The UC IPM Urban & Community Program hosts monthly webinars that are free and open to the public. Join us every third Thursday from 12pm-1pm for helpful pest related information. All webinars are recorded and posted on the UC IPM YouTube channel soon after.
Upcoming
10/20/22: Trees for a Changing Climate
With fall finally here, now is a great time to plant trees and shrubs. However, before you head to the nursery, consider attending this webinar on Trees for a Changing Climate. On October 20, 2022, UC ANR Environmental Horticulture Advisor Janet Hartin will discuss some underutilized trees that are heat, drought, and pest resistant. Sign up...
- Author: Karey Windbiel-Rojas
Are you concerned about pesticides in our waterways? Join us on August 18, 2022 at noon for UC IPM's free monthly webinar to learn how to keep surface water clean by reducing pesticide use and runoff. The webinar will be presented by Karey Windbiel-Rojas, Area Urban IPM Advisor and Associate Director for Urban & Community IPM with the UC Statewide IPM Program. Register today to serve your spot!
Hate spiders? Love them? On September 15, 2022 we'll feature a...