Leeonychiurus Sun & Arbea, 2014

Park, Kyung-Hwa, 2017, Two new species of the genus Leeonychiurus Sun & Arbea, 2014 (Collembola: Onychiuridae) from Korea, Zootaxa 4329 (3), pp. 292-300 : 299

Key to the species of Leeonychiurus Sun & Arbea, 2014

Leeonychiurus saphianus ( Nguyen, 2001) from Vietnam is not included in this key and table because the genetic position of this species needs confirmation according to Sun & Arbea (2014).

1 Th. I with dorsal pseudocelli.............................................................................2

- Th. I without dorsal pseudocelli........................................................... L. koreanus sp. nov.

2 Head with 2+2 anterior cephalic pseudocelli................................... L. polychaetosus ( Lee & Park, 1986)

- Head with 3+3 anterior cephalic pseudocelli................................................................3

3 Upper anal valve with chaeta c0..........................................................................4

- Upper anal valve without chaeta c0.......................................................... L. analis sp. nov.

4 PAO composed of more than 50 compound vesicles............................... L. antennalis ( Sun & Zhang, 2012)

- PAO composed of less than 50 compound vesicles...........................................................5

5 Subcoxa 1 of legs I–III with psx..........................................................................6

- Subcoxa 1 of legs I–III without psx....................................................... L. mai ( Wray, 1950)

6 Th. II–III with 2+2 dorsal pseudocelli.......................................... L. gulinensis ( Sun & Zhang, 2012)

- Th. II–III with 3+3 dorsal pseudocelli.......................................... L. fusongensis Sun & Arbea, 2014