Neotropical Backswimmer vs Eastern Bat Bug

Side-by-side species comparison

Attribute Neotropical Backswimmer Eastern Bat Bug
Scientific Name Buenoa antigone Cimex adjunctus
Order Hemiptera Hemiptera
Family Notonectidae Cimicidae
Size 5-9 mm 4-5 mm
Habitat Ponds & Lakes Gardens
Diet Omnivores Blood Feeders
Regions Brazil, Argentina, Uruguay, Paraguay Eastern 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.

💡

Did You Know?

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

Eastern Bat Bug

A blood-feeding ectoparasite primarily of bats in eastern North America. It can bite humans when bat colonies are removed from buildings.

💡

Did You Know?

It is nearly indistinguishable from the common bed bug and requires microscopic examination to tell apart.