North American Backswimmer vs Helmeted Squash Bug

Side-by-side species comparison

Attribute North American Backswimmer Helmeted Squash Bug
Scientific Name Notonecta undulata Euthochtha galeator
Order Hemiptera Hemiptera
Family Notonectidae Coreidae
Size 10-14 mm 14-18 mm
Habitat Ponds & Lakes Heathland
Diet Predators Sap Feeders
Regions North America North America
Conservation Least Concern Least Concern

North American Backswimmer

A common backswimmer across North America that hunts by floating upside down at the surface. Its large eyes help it spot prey from below.

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Did You Know?

It is an important natural predator of mosquito larvae and can significantly reduce mosquito populations in small ponds.

Helmeted Squash Bug

A North American coreid with an expanded helmet-like pronotum. It feeds on various plants but is not as destructive as the common squash bug.

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Did You Know?

Its expanded pronotal 'helmet' makes it look significantly larger from the front, potentially deterring predators.