Genws o weision neidr ydy Rhionaeschna yn nheulu'r Ymerawdwyr (Lladin: Aeshnidae). Mae'r genws yma'n cynnwys sawl rhywogaeth o weision neidr gan gynnwys:[1]
Genws o weision neidr ydy Rhionaeschna yn nheulu'r Ymerawdwyr (Lladin: Aeshnidae). Mae'r genws yma'n cynnwys sawl rhywogaeth o weision neidr gan gynnwys:
Rhionaeschna absoluta (Calvert, 1952) Rhionaeschna biliosa (Kennedy, 1938) Rhionaeschna bonariensis (Rambur, 1842) Rhionaeschna brasiliensis (von Ellenrieder & Martins Costa, 2002) Rhionaeschna brevicercia (Muzón & von Ellenrieder, 2001) Rhionaeschna brevifrons (Hagen, 1861) Rhionaeschna californica (Calvert, 1895) Rhionaeschna condor (De Marmels, 2001) Rhionaeschna confusa (Rambur, 1842) Rhionaeschna cornigera (Brauer, 1865) Rhionaeschna decessus (Calvert, 1953) Rhionaeschna demarmelsi von Ellenrieder, 2003 Rhionaeschna diffinis (Rambur, 1842) Rhionaeschna draco (Rácenis, 1958) Rhionaeschna dugesi (Calvert, 1905) Rhionaeschna eduardoi (Machado, 1984) Rhionaeschna elsia (Calvert, 1952) Rhionaeschna fissifrons (Muzón & von Ellenrieder, 2001) Rhionaeschna galapagoensis (Currie, 1901) Rhionaeschna haarupi (Ris, 1908) Rhionaeschna intricata (Martin, 1908) Rhionaeschna itataia (Carvalho & Salgado, 2004) Rhionaeschna jalapensis (Williamson, 1908) Rhionaeschna joannisi (Martin, 1897) Rhionaeschna manni (Williamson & Williamson, 1930) Rhionaeschna marchali (Rambur, 1842) Rhionaeschna multicolor (Hagen, 1861) Rhionaeschna mutata (Hagen, 1861) Rhionaeschna nubigena (De Marmels, 1989) Rhionaeschna obscura (Muzón & von Ellenrieder, 2001) Rhionaeschna pallipes (Fraser, 1947) Rhionaeschna pauloi (Machado, 1994) Rhionaeschna peralta (Ris, 1918) Rhionaeschna planaltica (Calvert, 1952) Rhionaeschna psilus (Calvert, 1947) Rhionaeschna punctata (Martin, 1908) Rhionaeschna serrania (Carvalho & Salgado, 2004) Rhionaeschna tinti (von Ellenrieder, 2000) Rhionaeschna variegata (Fabricius, 1775) Rhionaeschna vazquezae (González, 1986) Rhionaeschna vigintipunctata (Ris, 1918)
