Water bugs are insects belonging to the cockroach family, and they may be exterminated with standard insecticides or boric acid. Because of the health risks these insects pose, they should be eliminated as soon as possible to prevent adverse issues.
Cockroach bait may be used to get rid of water bugs. When the insects come in contact with this poison, they carry it back to the nest and poison the rest of the hive. If the source of the infestation is known, a thin layer of boric acid may be sprinkled nearby. The bugs carry this back to the other insects in the nest.