Research of moths and butterflies was been conducted in the Giant Mountains in 1998–2003. The results were to create a checklist of moths and butterflies. 109 species of Tortricidae have been shown, which represents approx. 23% of all species currently known in Poland. The Larch Bud Moth Zeiraphera griseana may continue to threaten the sustainability of spruce stands. Its constant monitoring of site gradation is located on Hala Szrenicka. Clepsis rogana is a typical mountain species of tortrix moths occurs in the Karkonosze mountains at 950–1300 m above the sea level. The research found 7 new species for the voivodeship of Lower Silesia and 11 species of rare national fauna.

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