Gametis Burmeister 1842

Key to species of the genus Gametis 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) - 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); subapical part of parameres (Fig. 6) not laterally expanded.............................................................. G. polita sp. nov. - Dorsum covered with tomentum or, if lacking tomentum glossy; punctures on elytra small (Figs. 30–35); subapical part of parameres (Figs. 16, 21) laterally expanded................................................................. 3 3 Mesosternal process narrow (Fig. 14); abdominal ventrites lacking maculae (Fig. 13); pygidium with small maculae (Fig. 15); apex of parameres (Fig. 16) somewhat elongated....................................... G. forticula (Janson, 1881) - Mesosternal process moderately broad (Fig. 19); abdominal ventrites with several maculae (Figs. 18, 23, 26); pygidium with large maculae (Figs. 20, 24, 27); apex of parameres (Fig. 21) somewhat shortened.......... G. ishigakiana (Nomura, 1959)