Arrenurus (Truncaturus) fontinalis K. Viets, 1920

Material examined.

Burdur • TR 3-2024 Akyayla, rheohelocrenic spring, 37.515774°N, 30.35459°E, 22 Apr. 2024, leg. Pešić, Zawal, Gülle & Gülle, 2 ♀ (sequenced) • TR 9 Kemer, helocrenic spring 37.301468°N, 30.097061°E, 22 Apr. 2024, leg. Pešić, Zawal, Gülle & Gülle, 1 ♂, 2 ♀ (sequenced) .

Remarks.

The sequenced specimens from southwestern Türkiye form a unique BIN (BOLD: AGH 5781) with the nearest neighboring BIN being BOLD: ADS 8719, which includes two specimens of A. fontinalis, one from the Germany and one from an unknown locality. The p - distance between these two BINs was estimated at 11.78 %, indicating the need for taxonomic revision of A. fontinalis complex to identify possible undescribed cryptic species.

Distribution.

Western Palaearctic.