16) Byrsinus laeviceps (Kerzhner, 1972)
Aethus laeviceps Kerzhner, 1972: 363 (as new species).
Byrsinus laeviceps: Lis 1993b: 87 (new combination).
Iran records: Hoberlandt 1995: 184–185 [under the original combination]; Linnavuori 2007: 88.
Additional data: Khorasan province, Serakhs (330m), 2♁♁, June 2001.
Distribution in Iran: Baluchestan, Kerman, Khorasan and Tehran provinces.
Distribution outside Iran: China (Xinjiang), Kazakhstan, Mongolia, Turkmenistan, Uzbekistan.