Table 1. The morphometric data of Syscia arcodorsa sp. nov., S. zhoui sp. nov. and S. guizhouensis comb. nov. Syscia arcodorsa sp. nov.Syscia zhoui sp. nov.Syscia guizhouensis comb. nov.ABBVholotypepa
Dragonflies and damselflies (Insecta: Odonata) are descended from what were most likely the first winged animals, which flew ~320 million years ago (Ma). They comprise ~6400 extant species distributed
Table 2. Plusiocampa (Plusiocampa) apollo Sendra, Giachino & Vailati sp. nov. Length of the body, antennae and metathoracic legs (measurements in mm), in addition to the number of antennomeres. Specim