Dark-stigma Snakefly vs Mountain Dance Fly

Side-by-side species comparison

Attribute Dark-stigma Snakefly Mountain Dance Fly
Scientific Name Phaeostigma notata Empis pennipes
Order Raphidioptera Diptera
Family Raphidiidae Empididae
Size 12-15 mm body 5-8 mm body length
Habitat Woodlands Rivers & Streams
Diet Predators Predators
Regions Europe Europe, Alps, Scandinavia
Conservation Least Concern Least Concern

Dark-stigma Snakefly

A primitive predatory insect with an elongated prothorax giving it a snake-like neck. Found on tree trunks in woodland. Both adults and larvae prey on small insects.

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Did You Know?

Snakeflies are living fossils with a body plan virtually unchanged for over 140 million years.

Mountain Dance Fly

A predatory fly with feathery leg fringes used in aerial mating displays. Males offer prey gifts wrapped in silk to females during courtship.

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Did You Know?

Males with the most elaborate feathered legs are preferred by females during mating swarms.