FIGURES 40–51 in Electrogena brulini sp. nov. and E. vipavensis Zurwerra & Tomka, 1986 syn. nov. revealed by integrative taxonomy of E. gridellii (Grandi, 1953) (Ephemeroptera: Heptageniidae)

FIGURES 40–51. Mouth parts and gills of Electrogena brulini (Figs 40, 42, 44, 46, 48, 50) and Electrogena gridellii (Figs 41, 43, 47, 49, 51). Figs 40–41: dorsal face of labrum; Figs 42–43: mandible with prostheca; Figs 44–45: anterior margin of dorsal face of labrum, central part; Figs 46–47 ventral face of glossae; Figs 48–49: hypopharynx in dorsal view; Figs 50–51: gills I– VII, without the bunch of filaments.