Unable to produce new offspring and thus unable to repopulate the species, Karina continued the production of battle droids that the Geonosian droid factories once produced. The Sith Lord Darth Vader came to Geonosis during the Galactic Civil War and took the droids from her.

What happened to the Geonosian?

The Geonosian leader perished on Mustafar at the end of the Clone Wars, struck down by Anakin Skywalker on orders from Darth Sidious. ... After the Battle of Yavin, Darth Vader – tipped off by the rogue archaeologist Doctor Aphra – invaded the queen's lair, stealing the advanced battle droids she had created.

Was there ever a Geonosian Jedi?

Nine of the 14 rounded up Jedi had already been encountered on Geonosis. They were Mace Windu, Anakin Skywalker, Agen Kolar, Luminara Unduli, Bultar Swan, Shaak Ti, Kit Fisto, Obi-Wan Kenobi, and Jedi High Council Member Saesee Tiin.