Neotropical Backswimmer vs European Wheat Stem Sawfly

Side-by-side species comparison

Attribute Neotropical Backswimmer European Wheat Stem Sawfly
Scientific Name Buenoa antigone Cephus pygmeus
Order Hemiptera Hymenoptera
Family Notonectidae Cephidae
Size 5-9 mm 8-10 mm (adult)
Habitat Ponds & Lakes Farmland
Diet Omnivores Omnivores
Regions Brazil, Argentina, Uruguay, Paraguay Europe, Asia, North America
Conservation Least Concern Not Evaluated

Neotropical Backswimmer

A small aquatic bug that swims upside-down using its long oar-like hind legs. Its pale ventral surface provides camouflage when viewed from below against the sky.

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Did You Know?

It carries a silvery air bubble on its belly that functions like a physical gill, extracting dissolved oxygen from the water.

European Wheat Stem Sawfly

A stem-boring sawfly pest of wheat and other cereals throughout Europe and western Asia. It has also established in parts of North America.

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Did You Know?

Solid-stemmed wheat varieties were bred specifically to resist stem sawfly larval boring.