The state of Louisiana has about 30 to 40 species spread all over, with the majority of them thriving in the southeastern part. The deadly spiders one can find here include the northern and southern widow, brown widow, and brown recluse.
Common spiders: Brown Recluse (Loxosceles reclusa), Common House (Parasteatoda tepidariorum), Wolf family (Lycosidae)
Largest spiders: Species of the Wolf family (Lycosidae)