aff. torsicus). Two species subgroups are also defi ned: E. bactrianus subgroup in the E. strigatus group (Grković et al., 2019a; Smit et al., 2020) and E. binominatus subgroup in the E. tricolor group (Grković et al., 2019b). The E. tricolor group, as defi ned by Chroni et al. (2017) based on COI mtDNA data and Grković et al. (2017) who provided a morphological diagnosis, includes a wide spectrum of species, but is clearly separated from other species groups by a set of unique apomorphic characters (radially striated basofl agellomere with clearly bounded fossette, katepisternum completely pilose and poorly developed anterior lobe on male epandrium). Most species of the E. tricolor group are characterized by partially or completely red abdominal
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