Upogebia Leach, 1814

Liu, Wenliang, 2015, Two new species of the genus Upogebia Leach, 1814 (Crustacea: Decapoda: Gebiidea: Upogebiidae) from the South China Sea, Raffles Bulletin of Zoology 63, pp. 418-425 : 424

Key to the species of the genus Upogebia Leach, 1814 from the South China Sea

1. Pereopod 1 subchelate......... U. carinicauda ( Stimpson, 1860)

– Pereopod 1 chelate ..................................................................2

2. Upper and lower margin of propodus in pereopod 1 with small tubercles................................................ U. ruiyui , new species

– Upper and lower margin of propodus in pereopod 1 unarmed .................................................................................................3

3. Posterior margin of abdominal somite 6 bearing spines ......... ........................................................ U. darwinii ( Miers, 1884)

– Posterior margin of abdominal somite 6 smooth...................4

4. Pereopod 1 fixed finger unarmed on cutting edge ................... ........................................................ U. barbata (Strahl, 1862)

– Pereopod 1 fixed finger proximally denticulate .....................5

5. Telson with tubercles, bearing U-shaped carina ...................... .............................................. U. ancylodactyla De Man, 1905

– Telson without tubercles, bearing two transverse carina......... .............................................................. U. jiaruii , new species