Black Recluse

A hardmode enemy that spawns in Spider Nests, but can rarely be found in the Cavern layer. It can also inflict the Venom debuff and itself is immune to the Poisoned and Venom debuff.

Trivia
The name "Black Recluse" is a combination of the spider names "black widow" and "Brown recluse", both spiders are commonly known for their venomous capabilities. This is reflected in the monster's appearance.