
Posts Tagged: black widow
Summer Spider Sightings

When you see spiders in your garden, you may wonder if they can hurt you or your pets. The good news is, most spiders are not likely to bite or cause lasting harm if they do. Plus, they provide natural pest control! Here are a few spiders commonly found...
Widow Spiders Information Updated
![Underside of adult black widow spider. [J.K.Clark] Underside of adult black widow spider. [J.K.Clark]](http://ucanr.edu/blogs/UCIPMurbanpests//blogfiles/43073small.jpg)
The black widow spider is known and feared by many people due to its venomous bite. However, in the past decade in California, a change in widow spider populations has occurred. A newer invasive spider called the brown widow may be displacing black widow...
Brown Widows Get Foothold in Southern California

[From the February 2013 issue of the UC IPM Green Bulletin newsletter] During the last 10 years, a new widow spider has moved into parts of Southern California. The brown widow spider, Latrodectus geometricus, is closely related to the well-known...