It’s easy to tell a cockroach apart from a butterfly, but not all insects are that different. Some types of bugs look creepily similar to others. But just because bugs look alike doesn’t mean they’re the same. The term “Palmetto Bug” is often used to describe many types of roaches, beetles, and water bugs. This term can cause mass confusion when it comes to taking the right steps to identify and treat these types of bugs. Cockroaches and water bugs are regularly mixed up for one another, even though they’re very different.
Many homeowners use the term “water bug” to describe the large, dark insects they find in basements, bathrooms, or near sinks. In reality, cockroaches and true water bugs are very different insects, even though they can look similar at a glance, and both are often found in damp environments. This confusion is so common that even some people refer to certain cockroach species, like the Oriental or American cockroach, as “water bugs” because of their size and habitat preferences.
Learn the differences in characteristics, habits, and behaviors between cockroaches and water bugs with these tips:
- Cockroaches are adaptable and drawn to water; water bugs are classified as aquatic insects. Water bugs’ legs act as paddles for them to move through water with ease.
- Cockroaches scavenge for whatever food they can find, while water bugs hunt and kill their prey.
- Water bugs have a brownish or blackish color and are large bugs. Their two front legs reach around like pincers when hunting prey. They also have an exoskeleton, which is a type of hard outer “shell” that covers their flying wings. Certain cockroaches, like the American or Oriental cockroach, have some of these same qualities. They’re typically similar in color and have the same armor-like shell.
- Cockroaches run and hide as their main defense mechanism. Water bugs also hide or play dead, but they’re known for biting as well. When a water bug bites, it injects digestive enzymes and extracts liquefied tissue.
- Water bugs have the ability to fly, primarily between bodies of water. Though many species of cockroaches have wings, only some are able to fly.
- Cockroaches prefer to congregate and be in large groups. Water bugs are solitary creatures and are often alone.
If you spot a large, dark insect and can’t tell what it is, begin by looking at where you found it and its behavior. Cockroaches are usually found inside warm structures, especially at night, and can be present in larger numbers. Water bugs are most often seen near or in water sources outdoors.
For cockroach concerns, reducing food and moisture sources, sealing entry points, and using targeted products like roach baits or roach gels are the best ways to address the problem.
American and Oriental cockroaches are heavily mistaken for water bugs. If you do find yourself with a roach infestation, use Combat® Max for Large Roaches or Combat® Max Roach Killing Gel. When it comes to exterminating roaches, it’s important to kill straight from the source.
If you’re not sure what kind of cockroaches you’re dealing with, use our pest identifiers provided by Combat®.