Anthophagus sinuatus (Sharp, 1889)

Shavrin, Alexey V., 2022, The plagiatus species group of the genus Geodromicus Redtenbacher, 1857 (Insecta Coleoptera: Staphylinidae: Omaliinae), and additional data on some species from Japan, Zootaxa 5188 (5), pp. 401-429 : 422

Key to the species of the sinuatus group

1 Elytra twice as long as pronotum or slightly longer. Median lobe with small subacute apex; parameres extending slightly beyond apex of median lobe ( Fig. 45 ). Body black. Body length: 5.0– 6.5 mm. Japan (Hokkaido, Honshu)..... G. sinuatus

- Elytra slightly less than twice as long as pronotum. Median lobe with blunt obtuse apex; parameres extending significantly beyond apex of median lobe ( Fig. 47 ). Body reddish brown to black. Body length: 4.9–6.0 mm. Japan (Honshu).................................................................................................... G. suensoni

Figures

FIGURES 41–48. Aedeagus of Japanese species of Geodromicus (Figs. 41, 43, 45, 47: parameral view, Figs. 42, 44, 46, 48: lateral view): 41–42–G. aokii (Mt. Daisetsuzan), 43–44–G. sprius (holotype), 45–46–G. sinuatus (Kamikochi), 47–48–G. suensoni (Simasima). Scale bars: 0.1 mm.