TABLE 1 in Platytomus pittinoi Minkina & Byk, a new species of Psammodiini (Coleoptera: Scarabaeidae: Aphodiinae) from Greece

TABLE 1. Differential characters of Platytomus pittinoi Minkina & Byk, new species and P. laevistriatus (Perris, 1870). CharacterPlatytomus laevistriatus (Perris, 1870)P. pittinoi Minkina & Byk, new speciesnumber of long macrosetae on pygidiumtwo longer (Fig. 12) or shorter (Fig. 13) macrosetaetwo (Fig. 9) or four (Fig. 10) long macrosetae; outer pair shortershape of eroded, deeply indented surface above long macrosetae on pygidiumone area, shaped more or less like a bull’s-horn scalp (Figs 12, 13)very large, ocellate one (Fig. 10) to two egg-shaped areas on each side (Fig. 9)body length3.0–4.6 mm2.9–3.6 mmmacrosetation of basal edge of genaedenser, macrosetae longer than tarsomere 2 of protibiae (Fig. 7)much sparser, macrosetae much shorter than tarsomere 2 of protibiae (Fig. 8)epipharynxsomewhat less transverse (Fig. 16)somewhat more transverse (Fig. 15)aedeagussomewhat plumper in lateral view (Fig. 14)somewhat thinner in lateral view (Fig. 11)表1 新种皮蒂诺扁腿阎甲（Platytomus pittinoi Minkina & Byk, sp. nov.）与光纹扁腿阎甲[P. laevistriatus (Perris, 1870)]的鉴别特征 | 鉴别特征 | 光纹扁腿阎甲 | 皮蒂诺扁腿阎甲新种 | | --- | --- | --- | | 臀板长形大刚毛（macrosetae）数量 | 2根较长（图12）或较短（图13）的大刚毛 | 2根（图9）或4根（图10）长形大刚毛，外对更短 | | 臀板长刚毛上方侵蚀状深凹陷表面形态 | 1个近似牛角形的区域（图12、13） | 每侧具1个大型单眼状区域（图10）或2个卵形区域（图9） | | 体长度 | 3.0–4.6 mm | 2.9–3.6 mm | | 颊区（genae）基部缘大刚毛分布 | 更浓密，大刚毛长于前胫节（protibiae）跗节第2节（tarsomere 2）（图7） | 更稀疏，大刚毛短于前胫节跗节第2节（图8） | | 上内唇（epipharynx）形态 | 略偏窄横（图16） | 略偏宽横（图15） | | 阳茎（aedeagus）侧面观形态 | 略粗壮（图14） | 略纤细（图11） |