Two venomous spiders, black widows and brown recluse spiders, can cause severe symptoms, experts say. Here are spider bite pictures and tips to identify them.

The body and legs of the spider are covered in many fine hairs, which give it a velvet-looking texture. If bitten by a brown recluse, you may see signs of necrosis or gangrene near the bite area ...

The body and legs of the spider are covered in many fine hairs, which give it a velvet-looking texture. If bitten by a brown recluse, you may see signs of necrosis or gangrene near the bite area ...

The body and legs of the spider are covered in many fine hairs, which give it a velvet-looking texture. If bitten by a brown recluse, you may see signs of necrosis or gangrene near the bite area ...

The body and legs of the spider are covered in many fine hairs, which give it a velvet-looking texture. If bitten by a brown recluse, you may see signs of necrosis or gangrene near the bite area ...

The brown recluse spider, with its elusive nature and potent venom, has garnered a fearsome reputation across parts of the United States. Often hidden out of sight, this arachnid can deliver a bite ...

You might guess a spider. And a gator. But a snail? That and others make up the 10 deadliest creatures found in Louisiana, according to WorldAtlas.

Its scientific name is Loxosceles arizonica. It's a horrible arachnid more commonly know as the Arizona brown spider (closely related to the brown recluse, which is not common this far west).

Brown recluse spider Brown recluse spiders are common in North Louisiana and typically reside in dry, secluded places in small, isolated populations, like in basements or attics.