Endangered and exceptional: New insect species highlights Kosovo biodiversity hotspot

The aquatic insect is small, with its wings less than 5 mm long. Its name, "lumbardhi," honors the local Albanian name for the river, meaning "the white river."

"The discovery of Tinodes lumbardhi is both a celebration of Kosovo's unique natural heritage and a wake-up call for conservation," said Professor Ibrahimi. "The survival of these species depends on our ability to protect their fragile habitats."

Hosting several rare and endemic species, Bjeshkët e Nemuna, a mountainous region in western Kosovo, is a hotspot for caddisfly diversity. Despite this richness, however, Kosovo's freshwater ecosystems face escalating threats from human activities.

Hydropower development, pollution, and water extraction have severely degraded habitats like the Lumbardhi i Deçanit River, leading in some areas to impoverished insect communities and an alarming absence of fish. Sidestreams like the one where T. lumbardhi was found serve as critical refuges for but remain vulnerable to environmental pressures.

Caddisflies, known for their sensitivity to , are key bioindicators of freshwater ecosystem health. These are not only vital for biodiversity but also for maintaining ecological stability in the face of threats such as climate change and habitat destruction.

Tinodes lumbardhi, the new species from Lumbardhi i Deçanit River in Kosovo. Credit: Halil Ibrahimi

The type locality of Tinodes lumbardhi, a shelter for several other rare species of caddisflies. Credit: Halil Ibrahimi

Heavy environmental pressures endanger the aquatic fauna of Lumbardhi i Deçanit River in Kosovo. Credit: Halil Ibrahimi

Riverbed degradation in the Lumbardhi i Deçanit River. Credit: Halil Ibrahimi

Riverbed degradation in the Lumbardhi i Deçanit River. Credit: Halil Ibrahimi