I'm from up north but visit ARK every winter. The first time I saw the worms I freaked out and wondered if the worm got a fish or a person - ugh!
You gotta be careful around live catapla worms. Them stingers they gots carry a dang powerful debilitating poison! It's best to just let ole yard dog take care of all your catapla worm infestations. Let the pro's handle 'em.