Incredible Light Brown Spider With Black Stripe On Back Ideas. Web many species of spiders are brown to black in color to better blend in with their environments, making identification difficult. The brown black widow spider is 0.47 to 0.6 inches (12 to 16 mm) long.
Excellent eyesight characterizes them, together with most other wolf spiders. The black marks on its body are barely visible by comparison to the wide black bands on its legs. Some spiders with striped legs have a different color to the color of their legs.
