Neanurini Cassagnau, 1989

Mayvan, Mahmood Mehrafroz, Shayanmehr, Masoumeh, Smolis, Adrian & Skarżyński, Dariusz, 2015, Persanura hyrcanica, a new genus and species of Neanurinae (Collembola: Neanuridae) from Iran, with a key to genera of the tribe Neanurini, Zootaxa 3918 (4), pp. 552-558 : 556-557

Key to genera of the tribe Neanurini Cassagnau, 1989

The key is based mainly on Smolis (2011) with some modifications.

1. Head with complete fusion of lateral tubercles Dl, L and So.................................................. 2

- Head with separation or incomplete fusion of lateral tubercles Dl, L and So (e.g. only tubercles Dl and L fused)......... 4

2. Abdomen IV with tubercles Di separate........................................ Vietnura Deharveng & Bedos, 2000

- Abdomen IV with tubercles Di fused...................................................................... 3

3. Line of chaetae Di 2– De 2 crosses the line Di 1– De 1 on head (cross– type), chaeta O on head present.................................................................................................... Christobella Fjellberg, 1985

- Line of chaetae Di 2– De 2 parallel to the line Di 1– De 1 on head (uncross– type), head without chaeta O.......................................................... Monobella Cassagnau, 1979 (partim: Monobella cassagnaui Deharveng, 1981 )

4. Maxilla with two or three dentate lamellae.............................................. Protanura Börner, 1906

- Maxilla without or with one dentate lamella................................................................ 5

5. Line of chaetae Di 2– De 2 crosses the line Di 1– De 1 on head (cross– type), head with 3+3 eyes........................ 6

- Line of chaetae Di 2– De 2 parallel to the line Di 1– De 1 on head (uncross– type), head without or with 1–2+1–2 eyes...... 10

6. Head with tubercles Af and Cl fused, abdomen V longer than abd. IV....................... Thaumanura Börner, 1932

- Head with tubercles Af and Cl separate, abdomen V shorter than abd. IV......................................... 7

7. Tubercles on thorax I absent, abdomen IV with tubercles De shift laterally towards Dl............. Xylanura Smolis, 2011

- Tubercles on thorax I present, abdomen IV with tubercles not shift laterally...................................... 8

8. Chaetae A and B on head same length, tubercles Di on thorax I absent or present............ Neanura MacGillivray, 1893

- Chaeta A shorter than chaeta B on head, tubercles Di on thorax I present......................................... 9

9. Head with separate lateral tubercles Dl, L and So; tubercle Di on th. II–III with 3 chaetae........... Kalanura Smolis, 2007

- Head with fusion of lateral tubercles L and So; tubercle Di on th. II–III with 2 chaetae............... Persanura gen. nov.

10. Abdomen V longer than abd. IV........................................ Caucasanura Kuznetzova & Potapov, 1988

- Abdomen V shorter than abd. IV....................................................................... 11

11. Abdomen IV with tubercles Di, De and Dl completely fused..................... Cansilianura Dallai & Fanciulli, 1983

- Abdomen IV with tubercles Di, De and Dl separate or partially fused (e.g. only tubercles Di and Dl fused)............. 12

12. Abdomen V with tubercles Di shift laterally towards tubercle ( De +Dl+L).................. Pumilinura Cassagnau, 1979

- Abdomen V with tubercles not shift laterally............................................................... 13

13. Abdomen VI with tubercles fused into a single large, distinctly bilobate plate..................... Metanura Yosii, 1954

- Abdomen VI with tubercles separate or fused into a large, not bilobate plate...................................... 14

14. Head with complete fusion of central tubercles Af, Cl and Oc.................................................. 15

- Head with separation or incomplete fusion of central tubercles Af, Cl and Oc (e.g. only tubercles Af and Cl fused)...... 19

15. Head with tubercles ( Di + De) fused into a single transverse plate.......................... Monobella Cassagnau, 1979

- Head with tubercles ( Di + De) separate.................................................................... 16

16. Abdomen IV with tubercles Di fused.................................................................... 17

- Abdomen IV with tubercles Di separate.................................................................. 18

17. Head with chaeta C, tubercle (Af+Cl+Oc) on head with non-reticulate areas (very rarely absent).. Lathriopyga Caroli, 1910

- Head without chaeta C, tubercle (Af+Cl+Oc) on head without non-reticulate areas................. Tetraloba Lee, 1983

18. Cryptopygy (tubercles of abdomen VI not visible from dorsal side) well developed........... Balkanura Cassagnau, 1979

- No cryptopygy (tubercles of abdomen VI clearly visible from dorsal side).................. Catalanura Deharveng, 1982

19. Head with tubercles Di and De fused.................................................................... 20

- Head with tubercles Di and De separate.................................................................. 21

20. Abdomen IV with tubercles Di fused, tubercle ( Di + Di) on abd. V with 2+2 chaetae, elementary tubercle Df present on head................................................................................ Albanura Deharveng, 1982

- Combination of characters other than above........................................... Deutonura Cassagnau, 1979

21. Head with tubercles Di fused along midline, head without chaeta De 2........... Ghirkanura Kuznetzova & Potapov, 1988

- Head with tubercles Di separate, head with chaeta De 2...................................................... 22

22. Abdomen III with tubercles Di fused; mandible strongly modified, as long ciliated lamella.................................................................................... Edoughnura Deharveng, Hamra-Kroua & Bedos, 2007

- Abdomen III with tubercles Di separate, mandible not modified............................................... 23

23. Abdomen V with 4 tubercles: 2 Di and 2 ( De +Dl+L)................................... Cryptonura Cassagnau, 1979

- Abdomen V with 2 or 3 tubercles: 2 ( Di + De +Dl+L) or ( Di + Di) and 2 ( De +Dl+L)................................ 24

24. Antennal segment I with 9–10 chaetae, head with chaeta D situated closer to chaeta G than chaeta F.................................................................................................. Neanurella Cassagnau, 1968

- Antennal segment I with lesser number of chaetae, chaeta D on head set more posteriorly than chaeta F................................................................................................. Endonura Cassagnau, 1979