Neotropical Backswimmer vs Sod Webworm Moth

Side-by-side species comparison

Attribute Neotropical Backswimmer Sod Webworm Moth
Scientific Name Buenoa antigone Crambus praefectellus
Order Hemiptera Lepidoptera
Family Notonectidae Crambidae
Size 5-9 mm 18-22 mm wingspan
Habitat Ponds & Lakes Gardens
Diet Omnivores Omnivores
Regions Brazil, Argentina, Uruguay, Paraguay North America
Conservation Least Concern Least Concern

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.

Sod Webworm Moth

A small straw-colored moth that holds its wings tightly rolled around its body at rest, giving it a tubular appearance. Its larvae create silk-lined tunnels in lawn thatch.

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Did You Know?

Homeowners often first notice them as small pale moths that flush up in clouds when walking across the lawn at dusk.