Southern Damselfly vs River Midge

Side-by-side species comparison

Attribute Southern Damselfly River Midge
Scientific Name Coenagrion mercuriale Rheotanytarsus exiguus
Order Odonata Diptera
Family Coenagrionidae Chironomidae
Size 27-31 mm 3-5 mm
Habitat Meadows Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, Africa Europe
Conservation Near Threatened Least Concern

Southern Damselfly

A rare and declining European damselfly with a mercury-symbol-shaped mark on segment two. It is restricted to base-rich shallow streams and water meadows.

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Did You Know?

It is named for the mercury-symbol-shaped black marking on the second segment of the male's abdomen.

River Midge

A small filter-feeding midge that builds silken nets on submerged stones in flowing water. Larvae are among the most abundant invertebrates in clean streams.

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Did You Know?

Larvae build tiny fan-shaped silk nets that function like miniature versions of caddisfly catch-nets.