Common Pond Skater vs Small Milkweed Bug

Side-by-side species comparison

Attribute Common Pond Skater Small Milkweed Bug
Scientific Name Aquarius najas Lygaeus kalmii
Order Hemiptera Hemiptera
Family Gerridae Lygaeidae
Size 14-17 mm 10-12 mm
Habitat Rivers & Streams Grasslands
Diet Predators Predators
Regions Europe North America
Conservation Least Concern Least Concern

Common Pond Skater

A large, elongate water strider that glides across the surface of flowing rivers and large ponds. It is one of the biggest European gerrid species with a dark brown body.

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Did You Know?

Pond skaters communicate with potential mates and rivals by generating specific ripple patterns on the water surface, essentially sending coded messages across the water.

Small Milkweed Bug

A boldly patterned red-and-black seed bug that feeds on milkweed seeds and sequesters toxic cardiac glycosides. Its warning coloration advertises its chemical defense to predators.

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Did You Know?

It stores milkweed toxins in its body, making it taste terrible to birds and other predators that try to eat it.