Sapphire Jewelwing vs Long-Toed Water Beetle

Side-by-side species comparison

Attribute Sapphire Jewelwing Long-Toed Water Beetle
Scientific Name Vestalis luctuosa Stenelmis crenata
Order Odonata Coleoptera
Family Calopterygidae Elmidae
Size 55-65 mm 2-3.5 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions Asia North America
Conservation Least Concern Least Concern

Sapphire Jewelwing

A large Southeast Asian damselfly with a dark metallic blue body and dark-tipped wings. Males shimmer with deep sapphire and violet hues.

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Did You Know?

Its deep sapphire blue metallic body makes it one of the most photogenic damselflies in tropical Asia.

Long-Toed Water Beetle

A small riffle beetle with elongated tarsal claws for gripping rocks in fast currents. Both adults and larvae are entirely aquatic.

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Did You Know?

Adults can live for several years underwater, far longer than most beetles.