Water Bugs and Cockroaches: Are They the Same Bug?

February 28, 2022

While some believe that water bugs and cockroaches are different names for the same insect, there are some important distinctions to be made. Because water bug has a unique regional meaning, there tends to be some confusion around these pests. Learn more below about water bugs and cockroaches.

What is a Water Bug?
A water bug is an aquatic insect, but it’s also a colloquial name for cockroaches. When used to talk about cockroaches, the term water bug most often refers to the American cockroach, which prefers to live outdoors but is also known to infest homes. Some may also use this term to refer to Oriental and Smoky Brown cockroaches, but this is much less common. Depending on where you live in the world, every cockroach can be considered a water bug. However, not every water bug can be considered a cockroach. This will be explained better below.

What is a Cockroach?
There are a few cockroaches that are never referred to as water bugs. The Brown-Banded and German cockroaches tend to live in human homes, rather than outdoors, so these bugs are always referred to as roaches.

How to Tell a Water Bug and Cockroach Apart
The best way to determine what pest you’re dealing with is to compare a dead one to an image online. Water bugs are often much bigger than cockroaches. The American cockroach (water bug) can grow over two inches long, while the German cockroach rarely grows larger than a penny. You can also tell them apart through the excrement they leave behind. Cockroaches will leave tiny black droppings that look similar to coffee grounds, while water bugs will drop larger, more cylindrical droppings. These two tells should be enough evidence to determine which species is infesting your property.

Eliminate Roaches and Water Bugs with MosquitoNix®
If you have determined that you have been infested by water bugs or cockroaches, it is important to act as quickly as possible. It is important to call a professional so that you can be ensured that the pet has been completely eliminated. If you are looking for a professional exterminator with years of experience, you have come to the right place. Contact MosquitoNix today if you are interested in our cockroach and water bug removal processes. Give us a call or send us an email to learn more about inspection, free quotes and more.

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