Figs. 1–11. 1, 3–6 in New and little known species of Hydroglyphus (Coleoptera: Dytiscidae) from Arabia and adjacent areas

Figs. 1–11. 1, 3–6 – Hydroglyphus sinuspersicus sp. nov.: 1 – habitus; 3 – median lobe in ventral view; 4 – median lobe in lateral view (paratype, Oman); 5 same (Iran); 6 – right paramere in dorso-medial view. 2, 7–10 – H. gujaratensis (Vazirani, 1973): 2 – habitus; 7 – median lobe in ventral view; 8 – median lobe in lateral view; 9 – paramere; 10 – female antenna. 11 – H. flammulatus (Sharp, 1882), female antenna.