Golubatz Fly vs Needlefly

Side-by-side species comparison

Attribute Golubatz Fly Needlefly
Scientific Name Simulium colombaschense Leuctra inermis
Order Diptera Plecoptera
Family Simuliidae Leuctridae
Size 3-5 mm 6-9 mm
Habitat Rivers & Streams Rivers & Streams
Diet Blood Feeders Detritivores
Regions Europe Europe
Conservation Least Concern Least Concern

Golubatz Fly

A historically devastating European black fly named after the Serbian town of Golubac. Larvae develop in the fast waters of the Danube River system.

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Did You Know?

In 1923, a massive emergence killed over 16,000 cattle, horses, and other livestock along the Danube in a single event.

Needlefly

A slender stonefly that rolls its wings tightly around its body at rest, resembling a needle. Nymphs shred leaf litter in small streams.

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Did You Know?

The tightly rolled wings make the adult appear to have no wings at all when viewed from above.