Gametis, Burmeister, 1842

Key to species of the genus Gametis View in CoL in Japan

1 Head and venter black; lateral margins of pronotum broadly bordered with black area; lateral margins of parameres straight in dorsal view.................................................................. G. jucunda (Faldermann, 1835) View in CoL

- Head and venter green to red; lateral margins of pronotum either unbordered with black area or bordered with a very narrow black line; lateral margins of parameres not straight in dorsal view.............................................. 2

2 Dorsum without tomentum, glossy, enamel-like appearance; punctures on elytra large ( Figs. 28–29 View FIGURES 28–35 ); subapical part of parameres ( Fig. 6 View FIGURES 1–11 ) not laterally expanded.............................................................. G. polita sp. nov.

- Dorsum covered with tomentum or, if lacking tomentum glossy; punctures on elytra small ( Figs. 30–35 View FIGURES 28–35 ); subapical part of parameres ( Figs. 16, 21 View FIGURES 12–21 ) laterally expanded................................................................. 3

3 Mesosternal process narrow ( Fig. 14 View FIGURES 12–21 ); abdominal ventrites lacking maculae ( Fig. 13 View FIGURES 12–21 ); pygidium with small maculae ( Fig. 15 View FIGURES 12–21 ); apex of parameres ( Fig. 16 View FIGURES 12–21 ) somewhat elongated....................................... G. forticula (Janson, 1881) View in CoL

- Mesosternal process moderately broad ( Fig. 19 View FIGURES 12–21 ); abdominal ventrites with several maculae ( Figs. 18 View FIGURES 12–21 , 23, 26 View FIGURES 22–27 ); pygidium with large maculae ( Figs. 20 View FIGURES 12–21 , 24, 27 View FIGURES 22–27 ); apex of parameres ( Fig. 21 View FIGURES 12–21 ) somewhat shortened.......... G. ishigakiana ( Nomura, 1959)