Pennsylvania Ambush Bug vs Backswimmer

Side-by-side species comparison

Attribute Pennsylvania Ambush Bug Backswimmer
Scientific Name Phymata pennsylvanica Notonecta glauca
Order Hemiptera Hemiptera
Family Reduviidae Notonectidae
Size 8-12 mm 14-16 mm
Habitat Farmland Ponds & Lakes
Diet Predators Predators
Regions Eastern North America from Canada to the Gulf states Europe, Asia
Conservation Least Concern Least Concern

Pennsylvania Ambush Bug

A small chunky yellow and brown bug with thickened raptorial forelegs that hides in flower heads to ambush pollinators. It can capture prey many times its own size.

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Did You Know?

It can capture and kill bumble bees and butterflies that are more than ten times its own weight.

Backswimmer

An aquatic bug that swims upside down just beneath the water surface, using its long hind legs as oars. Its back is keeled like a boat hull and pale-colored for camouflage when viewed from below.

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Did You Know?

Backswimmers swim inverted with their pale backs facing downward, providing counter-shading camouflage against the bright sky when predators look up from below.