Chalk Hill Blue vs North American Water Scorpion

Side-by-side species comparison

Attribute Chalk Hill Blue North American Water Scorpion
Scientific Name Polyommatus coridon Ranatra fusca
Order Lepidoptera Hemiptera
Family Lycaenidae Nepidae
Size Wingspan 33-40mm 28-40 mm including siphon
Habitat Grasslands Wetlands
Diet Herbivores Herbivores
Regions Europe North America
Conservation Least Concern Least Concern

Chalk Hill Blue

A large blue butterfly with silvery-blue males and brown females. Restricted to chalk and limestone grasslands.

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Did You Know?

Males have an ethereal silvery-blue tone unique among European butterflies, visible in large numbers on chalk hills.

North American Water Scorpion

A stick-like aquatic predator found in ponds and marshes across eastern North America. It walks slowly on submerged vegetation to ambush prey.

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Did You Know?

Despite being fully winged, it rarely flies and prefers to walk along the bottom of shallow ponds.