Phoneutria depilata 3” - 4” femalesize 3 4 female. These are mature females or one molt away from being mature. Fast and venomous. Not for beginners. 21 and over only ! This spider is the largest species in the genus of these wondering spiders. Common in several Central American countries, where they often rest on palm leaves. Reaching a massive 5 6 as adults. Use caution when dealing with these incredible spiders. Described by Norwegian entomologist Embrik Strand in 1909.