FIGURE 30 Hypandrium. A in Systematic position and composition of Merodon nigritarsis and M. avidus groups (Diptera, Syrphidae) with a description of four new hoverfLies species

FIGURE 30 Hypandrium. A) Merodon cohurnus sp. n., lateral view, B) Merodon cohurnus sp. n., ventral view, C) Merodon quadraticus, lateral view. Scale: 0.5 mm. l–lingual, lp–lateral projection, s–lateral sclerite of aedeagus, th–subapical thorn on ventral margin.