Most female black widow spiders have a red or orange hourglass mark on their abdomen, although this can vary from one spider ...

Black widow venom is about 15 times as potent as a rattlesnake's, ... This variation in coloring means that black widow spiders can be tricky to spot if they aren’t black and red females. 2.

The black widow possesses venom 15 times as powerful as that of a ... Larvae “look like a spiky alligator with long legs,” which can be black, yellow, and orange in color, Peterson says, ...

The Southern Black Widow (Latrodectus mactans) is probably the most common Widow spider in our area. The base color of Black Widows is jet black, with various patterns of red, orange, yellow, and ...