water bug

American  

noun

1. any of various aquatic bugs, as of the family Belostomatidae giant water bug.

2. (loosely) a large cockroach, especially the American cockroach.

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water bug British  

noun

1. any of various heteropterous insects adapted to living in the water or on its surface, esp any of the family Belostomatidae ( giant water bugs ), of North America, India, and southern Africa, which have flattened hairy legs

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Etymology

Origin of water bug

First recorded in 1740–50

Example Sentences

The return has included insects like water bugs that feed birds and other wildlife.

From Salon

Also referred to as Electric light bug, this giant water bug is described as a vicious hunter, praying on invertebrates, fish, turtles, and even birds.

From Science Daily

On a recent vacation in Tokyo, Takumi Yamamoto opted for a special lunch of cricket curry and silkworm sashimi, washed down with a water bug cider.

From Reuters

"Everything was tasty. In particular, the water bug cider was quite refreshing and delicious, like a green apple."

From Reuters

Oriental cockroaches, also known as “water bugs,” can often be found in garages, basements and other cool, moist environments.

From Seattle Times