A new species of Cybaeus L. Koch, 1868 (Araneae, Cybaeidae) with simple genitalia from central Japan is the sister species of C. melanoparvus Kobayashi, 2006 with elongated genitalia

Map showing collection localities of samples in the present study. Circles, locations of the present specimens of Cybaeus koikei sp. nov.; squares, locations of the present specimens of Cybaeus melanoparvus Kobayashi; triangles, known localities of C. melanoparvus in Kobayashi (2006); star, the type locality of C. melanoparvus (Kobayashi 2006). The symbols and numbers correspond to those in Fig. 3. Shoreline data were based on Wessel and Smith (1996).