Hypogastrura

Jiang, Jigang & Chen, Jian-Xiu, 2008, A new species and a new species record of Hypogastrura (Collembola: Hypogastruridae) from China, Zootaxa 1846, pp. 47-54 : 48

Key to Chinese species of Genus Hypogastrura

1 Ventral tube with 3+3 setae, tenaculum with 5+5 teeth ................................................................. H. zhangi

- Ventral tube with 4+4 setae, tenaculum with 3+3 or 4+4 teeth ...................................................................2

2 Tibiotarsi I–III each with more than one knobbed tenent hair ....................................................................3

- Tibiotarsi I–III each with one pointed or knobbed tenent hair ...................................................................4

3 Tibiotarsi I–III respectively with 2, 4, 4 knobbed tenent hairs, dens posteriorly with six setae, abd. IV–V without knobbed macrosetae ............................................................................. H. quadritenenta , sp. nov.

- Tibiotarsi I–III respectively with 3, 3, 4 knobbed tenent hairs, dens posteriorly with five setae, Abd. IV–V with knobbed macrosetae. .......................................................................................................... H. distincta

4 Dens posteriorly with six setae, unguiculus with broad basal lamella .................................. H. verruculata

- Dens posteriorly with seven setae, unguiculus lance-shaped .....................................................................5

5 Unguis without inner and lateral teeth, Ant. I without p seta, Ant. IV with six dorsal differentiated sensilla ......................................................................................................................................................... H. yosii

- Unguis with one inner tooth, Ant. I with p seta, Ant. IV with ten dorsal differentiated sensilla ................. ............................................................................................................................................. H. sheyangensis