Black-winged Damselfly vs Alpine Marsh Fly

Side-by-side species comparison

Attribute Black-winged Damselfly Alpine Marsh Fly
Scientific Name Calopteryx atrata Elgiva solicita
Order Odonata Diptera
Family Calopterygidae Sciomyzidae
Size 55-68mm 5-8 mm body length
Habitat Rivers & Streams Meadows
Diet Predators Predators
Regions Asia Europe, Alps
Conservation Least Concern Least Concern

Black-winged Damselfly

A large damselfly where males have entirely black iridescent wings with a metallic blue-green body. Females have dark smoky-brown wings. It inhabits clean streams in East Asia.

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Did You Know?

In Japan it is called 'haguro-tonbo' (black-winged dragonfly) and is considered a symbol of good fortune.

Alpine Marsh Fly

A snail-killing fly of wet alpine meadows and bogs. Its larvae are specialist predators of aquatic snails.

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Did You Know?

Each larva can consume multiple snails during its development.