If you see an invasive hammerhead worm, don't cut it in half. Here's how to kill them. Emily DeLetter, USA TODAY. Wed, July 26, 2023 at 5:42 PM UTC. 3 min read.

News. Poisonous worms that multiply when cut are back in Texas. Here’s how to manage them The snake-like worms, which pose a threat to earthworms, were spotted in the Houston area last month.

If you spot hammerhead worms, avoid the urge to squash or cut them into pieces because of their ability to multiply. Pieces of existing worms can turn into new worms in a matter of weeks. More in U.S.