San Diego County, California, US Egg sac. Nice comparison between native Black Widow and introduced Brown Widow egg sacs at http://cisr.ucr.edu/identifying_brown_widow_spiders.html
San Diego County, California, US Over the past year there has been an explosion of these non-native spiders around San Diego. I am finding at least one a week at my house.
San Diego County, California, US Over the past year there has been an explosion of these non-native spiders around San Diego. I am finding at least one a week at my house.