"The species name refers to the type locality in the Cottian Alps (Alpi Cozie, Alpes cottiennes)" (HUEMER & MUTANEN 2015).
HUEMER & MUTANEN (2015) schreiben zur Typenserie: "Holotype. ♂, „ITALIA, Prov. Torino Alpi Cozie, 2150 m Colle delle Finestre 27.7.1990 leg. Huemer & Tarmann“ „YPO 58 ♂ P. Huemer“ (TLMF).
Paratypes. Italy: 13 ♂, 7 ♀, same data, genitalia slides YPO 59 ♂ P. Huemer, YPO 77 ♂ P. Huemer, DNA barcode IDs TLMF Lep 03106, TLMF Lep 03107, TLMF Lep 03108 (TLMF); 3 ♂, 6 ♀, same data, but V. delle Finestre, 1700 m, genitalia slides YPO 66 ♂ P. Huemer, YPO 67 ♀ P. Huemer (TLMF). France: 1 ♂, Dep. Hautes-Alpes, Nevache, 1950m, 31.7.2001, leg. Nel, genitalia slide 12937 J. Nel, DNA barcode ID TLMF Lep 03144 (TLMF); 1 ♂, Dep. Hautes-Alpes, Vallee de la Claree, 2000 m, 3.7.2002, leg. Nel, genitalia slide 14644 J. Nel, DNA barcode ID TLMF Lep 03142 (TLMF)."
"Only known from a small area in the southwestern Alps (Cottian Alps) of Italy and France. An alleged K. alternans from the Graian Alps (Huemer and Tarmann 1992) likely refers to K. cottiensis, but the specimen in question could not be re-examined" (HUEMER & MUTANEN 2015).