There are nearly 3,000 spider species in North America alone ... What they look like: The infamous black widow has a shiny black color along with their signature, red hourglass-shaped marking ...

Joro spiders are bright yellow and black spiders known for their huge spiderwebs. This colorful species comes from East Asia, but Joro spiders have recently invaded warm American states like ...

Here’s a preview: There are numerous species to research and learn about, ranging from the well-known black and yellow garden spider to the less well-known yellow-backed spiny spider.

Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around the world.

All these little details … come together." Colour can be one of the least helpful indicators of identification. Brown trapdoor spiders can be black, and funnel-web spiders can be a variety of ...

The false widow spiders (Steatoda spp.) form a group of species that, because of their general resemblance to the much more notorious black widow spiders (Latrodectus spp.), can cause concern when ...

These venomous spiders pose little threat to humans — though, brown widows often attack black widow species. Brown widows can be found in urban areas worldwide, including southern California ...

fenestralis. The black lace-weaver spider is found in similar locations to A. similis, but more often under stones, hedgerows and logs. All three species are occasionally found wandering in buildings, ...