Coecobrya

Cipola, Nikolas Gioia & Bellini, Bruno Cavalcante, 2016, A new cave species of Coecobrya Yosii (Collembola, Entomobryidae, Entomobryinae) from South Africa, with an identification key to the genus, Zootaxa 4200 (3), pp. 351-366 : 363-364

Key to the world species of Coecobrya

* Cave-dwelling species

1 Eyes present ( boneti -group)............................................................................ 2

- Eyes absent ( tenebricosa -group)........................................................................ 9

2(1) Eyes 1+1 or 3+3...................................................................................... 3

- Eyes 2+2; Vietnam............................................................ C. tetrophthalma ( Denis, 1948)

3(2) Eyes 1+1............................................................................................ 4

- Eyes 3+3............................................................................................ 8

4(3) Abd I with 5+5 central mac or less.......................................................................5

- Abd I with 6+6 central mac............................................................................. 6

5(4) Th II with 2+2 mac (p4 and p 4i) in Gr VI; Abd I with 4 + 4 central mac; Abd IV with 6+6 central mac; Cambodia......................................................................... C. tukmeas Zhang, Deharveng & Chen, 2009 *

- Th II without mac in Gr VI; Abd I with 5+5 central mac; Abd IV with 7+7 central mac ( Figs 12 , 17 ); China...................................................................................... C. sanmingensis Xu & Zhang, 2015

6(4) Abd IV with 6+6 central mac or less; dorsal manubrium without smooth chaetae.................................. 7

- Abd IV with 7+7 central mac; dorsal manubrium with smooth chaetae ( Fig. 43 ); Indonesia............................................................................................ C. indonesiensis ( Chen & Deharveng, 1997) *

7(6) Abd IV with 6+6 central mac; Vietnam.................................................. C. boneti ( Denis, 1948)

- Abd IV with 4+4 central mac; China................................. C. oculata Zhang, Bedos & Deharveng, 2016 *

8(3) Labial chaeta r smooth ( Fig. 36 ); Th II with 3+3 (m1, m2 and m 2i) medio-median mac; unguiculus without external teeth ( Fig 38 ); China........................................................... C. mulun Zhang, Qu & Deharveng, 2010

- Labial chaeta r ciliate ( Fig 37 ); Th II with 1+1 (m1) medio-median mac; unguiculus with one external tooth ( Fig 39 ); China............................................................................... C. qin Zhang & Dong, 2014

9(1) Mucronal basal spine long reaching at least near apex of apical tooth ( Fig 44 ).....................................10

- Mucronal basal spine very short, not reaching the apex of apical tooth ( Fig 45 ); USA............. C. caeca ( Schött, 1896)

10(9) Unguis with 2 unpaired teeth, with one minute apical tooth ( Fig. 40 )............................................ 11

- Unguis with at most 1 unpaired tooth ( Figs 38–39 )..........................................................13

11(10) Tenent hairs spatulate.................................................................................12

- Tenent hairs pointed; India.......................................................... C. montana (Imms, 1912)

12(11) Tibiotarsus with rows of smooth inner differentiated chaetae; Afghanistan................. C. submontana (Stach, 1960)

- Tibiotarsus with rows of ciliate inner differentiated chaetae; New Caledonia.............................................................................. C. neocaledonica Zhang, Bedos & Deharveng, 2014 (in: Zhang et al. 2014 a)

13(10) Manubrium with dorsal smooth chaetae ( Fig. 43 )........................................................... 14

- Manubrium without dorsal smooth chaetae................................................................38

14(13) Unguis without unpaired inner teeth......................................................................15

- Unguis with unpaired inner tooth ( Figs 38–39 )............................................................. 16

15(14) Dental smooth part about 0.7 times as long as mucro; Japan............................. C. ishikawai ( Yosii, 1956a) *

- Dental smooth part about 1.5 times as long as mucro; Korea................................. C. maritima Park, 2004

16(14) Outer tooth on unguiculus at most slightly broader than unguiculus itself.........................................17

- Outer tooth on unguiculus twice as broad as unguiculus itself; New Guinea................... C. papuana ( Yosii, 1971) *

17(16) Antennae less than three times as long as the cephalic diagonal................................................18

- Antennae more than five times as long as the cephalic diagonal; Hawaii ( USA)... C. nupa ( Christiansen & Bellinger, 1992) *

18(17) Tibiotarsus with rows of ciliate inner differentiated chaetae ( Fig. 41 ), i.e. with ciliations closely appressed to axis........19

- Tibiotarsus without rows of ciliate inner differentiated chaetae ( Fig. 42 )........................................ 25

19(18) Abd IV with 4+4 central mac...........................................................................20

- Abd IV with more than 4+4 central mac.................................................................. 23

20(19) Abd III with 2 + 2 lateral mac...........................................................................21

- Abd III with 3 + 3 lateral mac...........................................................................22

21(20) Th II with 4+4 mac in Gr IV; Th III with 9+9 to 13+13 mac in Gr I; Northern Hemisphere.. C. tenebricosa ( Folsom, 1902) *

- Th II with 2+2 mac in Gr IV; Th III with 8+8 mac in Gr I; Rapa Nui ( Eastern Island , Chile)................................................................................... C. aitorererere Bernard, Soto-Adames & Wynne, 2015

22(20) Th II with 2+2 mac in Gr I; collophore anterior face with 2+2 long central mac; Japan......... C. tibiotarsalis ( Yosii, 1964)

- Th II with 1+1 mac in Gr I; collophore anterior face with 1+1 long central mac; China..... C. brevis Xu, Yu & Zhang, 2012

23(19) Abd III with 2+2 central mac...........................................................................24

- Abd III with 1+1 central mac; Germany............................................... C. hoefti ( Schäffer, 1896)

24(23) Th II with 3+3 (m1, m2 and m 2i) medio-median and 2+2 (m4 and m4p) medio-lateral mac; Hungary................................................................................... C. magyari Chen, Wang & Christiansen, 2002

- Th II with 2+2 (m1 and m2) medio-median and 3+3 (m4, m 4i and m4p) medio-lateral mac; Thailand...................................................................................... C. lanna Zhang, Deharveng & Chen, 2009

25(18) Unguis with unpaired inner distal tooth at more than 25% from the base of the claw ( Fig. 40 )........................26

- Unguis elongate, with unpaired inner distal tooth basal, at less than 20% from the base of the claw; Japan............................................................................................ C. akiyoshiana ( Yosii, 1956a) *

26(25) Abd II with 2+2 central mac............................................................................27

- Abd II with 3+3 or 4+4 central mac......................................................................29

27(26) Th II with 4+4 mac in Gr I–II altogether..................................................................28

- Th II with 6+6 mac in Gr I –II altogether; Thailand...................................... C. similis Deharveng, 1990

28(27) Abd IV with 3+3 central mac and 3+3 lateral mac; Japan................................... C. arcuata (Yosii, 1955)

- Abd IV with 4+4 central mac and 6+6 lateral mac; Rapa Nui ( Easter Island , Chile)... C. kennethi Jordana & Baquero, 2008 *

29(26) Abd III with 1+1 central mac ( Fig. 16 )....................................................................30

- Abd III with 2+2 central mac; Hawaii (USA).............................. C. kukae Christiansen & Bellinger, 1992 *

30(29) Abd I with 4+4 central mac.............................................................................31

- Abd I with 5+5 central mac.............................................................................33

31(30) Abd IV with 4+4 central mac or more................................................................... 32

- Abd IV with 2+2 central mac; Hawaii ( USA)................................. C. lua Christiansen & Bellinger, 1992 *

32(31) Abd IV with 4+4 central mac; China............................................... C. islandica Shi & Pan, 2015

- Abd IV with 6+6 or 7+7 central mac; Republic of Vanuatu.................................. C. aokii ( Yoshii, 1995)

33(30) Unguis with paired teeth at more than 35% from the base of the unguis ( Figs 38–40 ).............................. 34

- Unguis with paired teeth at less than 25% from the base of the unguis; Japan............... C. spinidentata ( Yosii, 1942) *

34(33) Abd IV with 3+3 central mac...........................................................................35

- Abd IV with 4+4 or 5+5 central mac.....................................................................36

35(34) Th II without medio-lateral mac; Hawaii ( USA)............................ C. borerae Christiansen & Bellinger, 1992

- Th II with 3+3 (m4, m 4i and m4p) medio-lateral mac; China................... C. oligoseta Chen & Christiansen, 1997

36(34) Abd IV with 4+4 central mac...........................................................................37

- Abd IV with 5+5 central mac; Japan and Korea........................................ C. dubiosa ( Yosii, 1956a) *

37(36) Th II with p4 and p 4i mac; China................................................ C. pani Xu, Yu & Zhang, 2012

- Th II without mac p4 and p 4i; Thailand......................................... C. guanophila Deharveng, 1990 *

38(13) Abd III with 1+1 central mac ( Fig. 16 )....................................................................39

- Abd III with 2+2 central mac...........................................................................46

39(38) Abd IV with at least 6+6 central mac.....................................................................40

- Abd IV with 5+5 central mac or less......................................................................42

40(39) Abd IV with 7+7 central mac ( Fig. 17 )...................................................................41

- Abd IV with 6+6 central mac; China................................ C. annulata Zhang, Bedos & Deharveng, 2016 *

41(40) Collophore posterior face with 1+1 large apical smooth chaetae ( Fig 32 ); Th II with 10+10 mac in Gr V; Th III with 11+11 or less mac in Gr II; China................................................ C. communis Chen & Christiansen, 1997

- Collophore posterior face with 2+2 large apical smooth chaetae; Th II with 13+13 mac in Gr V; Th III with 13+13 mac in Gr II ( Figs 12–13 ); South Africa............................................................ C. anaguilae sp. nov. *

42(39) Abd IV with 4+4 or 5+5 central mac.....................................................................44

- Abd IV with 3+3 central mac...........................................................................43

43(42) Abd I with 2+2 mac; Abd II with 2+2 central mac; Java ........................... C. edenticulata ( Handschin, 1926) *

- Abd I with 6+6 mac; Abd II with 3+3 central mac ( Fig 15 ); China.......... C. ciliata Zhang, Bedos & Deharveng, 2016 *

44(42) Abd IV with 5+5 central mac...........................................................................45

- Abd IV with 4+4 central mac, China.............................. C. gejianbangi Zhang, Bedos & Deharveng, 2016 *

45(44) Th II with 1+1 mac (p4) in Gr VI; Abd II with 2+2 central mac; Australia...... C. tropicalis Qu, Chen & Greenslade, 2007

- Th II without mac in Gr VI; Abd II with 3+3 central mac ( Figs 12, 15 ); China............... C. qinae Xu & Zhang, 2015

46(38) Abd IV with at least 7+7 central mac.....................................................................47

- Abd IV with 5+5 or less central mac..................................................................... 48

47(46) Abd IV with 7+7 central mac ( Fig 17 ); China............................... C. liui Wang, Chen & Christiansen, 2002

- Abd IV with at least 8 + 8 central mac; Tibet ................................ C. tibetensis Chen & Christiansen, 1997

48(46) Abd IV with 5+5 central mac.......................................................................... 49

- Abd IV with 4+4 central mac; China........................................... C. draconis Zhang & Dong, 2014 *

49(48) Th III with 8+8 lateral mac; Abd III with 3+3 lateral mac; Tibet................... C. huangi Chen & Christiansen, 1997

- Th III with 5+5 lateral mac; Abd III with 2+2 lateral mac; China.......................... C. xui Zhang & Dong, 2014

Figures

FIGURES 12 – 16. Coecobrya anaguilae sp. nov.: dorsal chaetotaxy: 12, Th II; 13, Th III; 14, Abd I; 15, Abd II; 16, Abd III.

FIGURES 17 – 20. Coecobrya anaguilae sp. nov.: chaetotaxy of the Abd IV and V: 17, Abd IV dorsal; 18, Abd IV lateral; 19, Abd V dorsal; 20, Abd V lateral.

FIGURES 36 – 45. Coecobrya species: 36 – 37, basomedian labial region chaetotaxy: 36, C. mulun, 37, C. qin (after Zhang et al. 2010 and Zhang & Dong 2014 respectively); 38 – 40, empodial complex III: 38, C. mulun, 39, C. qin, 40, C. neocaledonica, arrows show the median and apical teeth respectively (after Zhang et al. 2010, Zhang & Dong 2014, and Zhang et al. 2014 a respectively); 41 – 42, chaetotaxy of inner tibiotarsi: 41, C. tenebricosa, 42, C. communis, arrows show the rows differentiated chaetae (after Chen & Christiansen 1993); 43, dorsal manubrium and proximal dens of C. aitorererere (after Bernard et al. 2015); 44 – 45, distal dens and mucro: 44, C. neocaledonica, 45, C. caeca (after Zhang et al. 2014 a and Chen & Christiansen 1997 respectively).

FIGURES 31 – 35. Coecobrya anaguilae sp. nov.: 31 – 33, collophore chaetotaxy: 31, anterior side; 32, posterior side; 33, lateral flap; 34, distal manubrium (ventral view); 35, distal dens and mucro (lateral view).