对于那些读加州, 尤其是在南方, 留意这个美丽的小蜘蛛, Latrodectus geometricus – 褐寡妇. Arachnologists at UC Riverside are monitoring the spread of this invasive species. 讽刺的是它原来并不像我们本土黑寡妇一样危险. 然而, it is not from ’round these here parts (should be said in your best southern twang). If you find a specimen, especially if you’re not in LA/Orange/SD counties, you should contact the team at UCR.
有趣. This is the first I’ve heard of this. I’ll clue my SD friends into it. At first glance I thought it was an immature black widow, as the patterns on their abdomens are exceedingly variable and highly decorative. So the above is the typical pattern?
There are a few more images on the website, but it looks like they can be less boldly marked. I’m not sure what the most typical pattern would be…