FIGURE 23 Male genitalia. Epandrium. A in Systematic position and composition of Merodon nigritarsis and M. avidus groups (Diptera, Syrphidae) with a description of four new hoverfLies species

FIGURE 23 Male genitalia. Epandrium. A) Merodon longisetus sp. n, lateral view, B) Merodon longisetus sp. n., ventral view of surstyle lobe, C) Merodon toscanus, lateral view. Scale: 0.5 mm. al–anterior surstyle lobe, c–circus, i–incision, pl–posterior surstyle lobe. Downloaded from Brill.com08/29/2023 05:43:36PM via free access