Alameda County, California, USA October 24, 2012 Size: 15.0 mm bl
On October 24, this spider took up residence on the siding next to our back door without building a web. I thought she must be pregnant. Cross orb weavers abound here, and I'd never seen one so round before.
Contributed by R. Berg on 30 October, 2012 - 9:45pm
Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.