Streamlined Backswimmer vs Ornate Shieldbug

Side-by-side species comparison

Attribute Streamlined Backswimmer Ornate Shieldbug
Scientific Name Notonecta irrorata Eurydema ornata
Order Hemiptera Hemiptera
Family Notonectidae Pentatomidae
Size 10-13 mm 6-9 mm
Habitat Ponds & Lakes Farmland
Diet Omnivores Sap Feeders
Regions North America Southern Europe, Central Asia, North Africa
Conservation Least Concern Least Concern

Streamlined Backswimmer

A pale backswimmer with mottled wings found in still and slow-moving waters across North America. Like other backswimmers, it hangs just below the water surface film waiting for prey vibrations. It is a strong underwater swimmer.

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Did You Know?

It senses prey by detecting surface water vibrations with specialized sensory hairs on its legs, effectively turning the water surface into a detection web.

Ornate Shieldbug

A vividly patterned shield bug with highly variable red, orange, white, or yellow markings on a black or metallic blue background. It feeds on brassica crops and wild crucifers.

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Did You Know?

No two individuals look exactly alike, as the species exhibits more than 30 named color pattern varieties.