Meltwater Forestfly

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Lednia is a monotypic genus, containing the single species Lednia tumana (the meltwater stonefly)—a rare, alpine, aquatic insect that is endangered due to likely loss of glaciers and snowpacks in Glacier National Park and other habitat in the Rocky Mountains due to climate change. Lednia can be differentiated from other genera in Nemouridae by the abdominal stremite: only Lednia and Paranemoura lack the vesicles of the ninth abdominal stermite. Habitat and adaptations The insect lives in the coldest streams just downstream of the glacier or snowbank sources and is considered as an early…

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