Blackarachnia is a Transformer from the Beast Wars Universe. She started out as a member of the Predacons. Her beast mode is a Black Widow Spider. She was created by Tarantulas from one of the fallen stasis pods. She later fell in love with the Maximal Fuzor, Silverbolt and then joined the Maximals as a Transmetal 2. Her toy was the first female Transformers toy to be produced.