http://www.collembola.org/key/deutrura.htm - Last updated on 2024.05.31 by Frans Janssens
Checklist of the Collembola: Key to the species of Deuterophorura

This key is still under construction. Note that missing figures will be provided as soon as possible. Currently, the key is in the feasibility study phase to find out how to integrate in the checklist in a modular way a key that has been generated with DELTA.

Rafael Jordana, Department of Zoology and Ecology, University of Navarra, 31080, Pamplona, Navarra, Spain
Enrique Baquero, Department of Zoology and Ecology, University of Navarra, 31080, Pamplona, Navarra, Spain
Frans Janssens, Department of Biology, University of Antwerp, Antwerp, B-2020, Belgium

Rationale

The rationale for taxa used and not used as well as subtaxonomic classification for some taxa is to be provided.

Key

Note that no distinction between subtaxa and taxa is made in the key.

1(0).   Head with more than 2 posterior dorsal pseudocelli.......... 2
        Head with two posterior dorsal pseudocelli................. 29
 
2(1).   Head with 3 posterodorsal pseudocelli....................... 3
        Head with more than 3 posterodorsal pseudocelli............ 15
 
3(2).   First thoracic segment with 1 pseudocellus.................. 4
        First thoracic segment without dorsal pseudocelli.......... 11
 
4(3).   Fourth abdominal segment with 4 dorsal pseudocelli..... jitkae
        Fourth abdominal segment with more than 4 dorsal pseudocelli..
           ......................................................... 5
 
5(4).   Fourth abdominal segment with 5 dorsal pseudocelli.......... 6
        Fourth abdominal segment with 6 dorsal pseudocelli............
           .............................................. harrobiensis
 
6(5).   Second abdominal segment with 3 dorsal pseudocelli.......... 7
        Second abdominal segment with more than 3 dorsal pseudocelli..
           ........................................................ 10
 
7(6).   Fifth abdominal segment with 3 dorsal pseudocelli... closanica
        Fifth abdominal segment with 4 dorsal pseudocelli........... 8
 
8(7).   Ventral pseudoceli formula 3/011/2112.............. arminiaria
        Ventral pseudoceli formula not 3/011/2112................... 9
 
9(8).   Ventral pseudocelli formula 3/011/3211............ trisilvaria
        Ventral pseudocelli formula 3/011/4222............... kosarovi
 
10(6).  Second abdominal segment with 4 dorsal pseudocelli..... galani
        Second abdominal segment with 5 dorsal pseudocelli............
           .................................................... boneti 3
 
11(3).  Fifth abdominal segment with 3 dorsal pseudocelli.......... 12
        Fifth abdominal segment with 4 dorsal pseudocelli.......... 14
 
12(11). Head with 2 ventral pseudocelli, ventral formula 2/011..... 13
        Head with 3 ventral pseudocelli, ventral formula 3/022........
           ............................................ pseudobosnaria
 
13(12). First to fourth abdominal segment with 1111 ventral
          pseudocelli................................. pseudofimetaria 3
        First to fourth abdominal segment with 1212 ventral
          pseudocelli........................................ apuanica
 
14(11). First abdominal segment-ii with 3 dorsal pseudocelli..........
           ................................................. rendsinae
        First abdominal segment-ii with 4 dorsal pseudocelli..........
           ........................................... pseudofimetaria
 
15(2).  Head with 4 posterodorsal pseudocelli...................... 16
        Head with 6 posterodorsal pseudocelli................. inferni
 
16(15). First thoracic segment with 1 dorsal pseudocellus.......... 17
        First thoracic segment with 2 dorsal pseudocelli.. leitzaensis
 
17(16). Fifth abdominal segment with 3 dorsal pseudocelli.......... 18
        Fifth abdominal segment with 4 dorsal pseudocelli.......... 20
 
18(17). Second to third abdominal segment with 3-3 dorsal pseudocelli.
           ........................................................ 19
        Second to third abdominal segment with 4-4 dorsal pseudocelli.
           ................................................. diaelleni
 
19(18). Postantennal organ with 12 compound tubercles; ventral
          pseudocelli formula 3/011/3212.................... closanica 3
        Postantennal organ with 19-24 compound tubercles; ventral
          pseudocelli formula 3/011/3111................. kruberaensis
 
20(17). Second abdominal segment with 2 dorsal pseudocelli............
           ............................................ quadrisilvaria
        Second abdominal segment with more than 2 pseudocelli...... 21
 
21(20). Second abdominal segment with 4 dorsal pseudocelli......... 22
        Second abdominal segment with 5 dorsal pseudocelli............
           .................................................... boneti 4
 
22(21). Fourth abdominal segment with 3 dorsal pseudocelli............
           ............................................... aralarensis
        Fourth abdominal segment with 5-6 dorsal pseudocelli....... 23
 
23(22). Fourth abdominal segment with 5 dorsal pseudocelli......... 24
        Fourth abdominal segment with 6 dorsal pseudocelli......... 25
 
24(23). Fourth abdominal segment with 1 ventral pseudocellus..........
           ............................................. doneztebensis
        Fourth abdominal segment with 2 ventral pseudocelli...........
           .................................................... boneti 5
 
25(23). Postantennal organ with 20-24 compound vesicles...............
           ................................................. diaelleni 3
        Postantennal organ with fewer than 18 compound vesicles.... 26
 
26(25). Second abdominal segment with 1 ventral pseudocellus....... 27
        Second abdominal segment with 2 ventral pseudocelli........ 28
 
27(26). Ventral pseudocelli formula 3/011/2 + 1211........ labainensis
        Ventral pseudocelli formula 3/011/3 + 1222........ zalbidensis
 
28(26). Chaeta m7 absent on second thoracic segment-iii..... ameskoana
        Chaeta m7 present on second thoracic segment-iii..............
           ............................................. doneztebensis 3
 
29(1).  Head with 2 pseudocelli on dorsal anterior part...... mildneri
        Head with 3 pseudocelli on dorsal anterior part............ 30
 
30(29). First thoracic segment with 1 dorsal pseudocellus.......... 31
        First thoracic segment without dorsal pseudocelli.......... 55
 
31(30). Second thoracic segment with 2 dorsal pseudocelli.......... 32
        Second thoracic segment with 3 dorsal pseudocelli.......... 33
 
32(31). Third thoracic segment and fourth abdominal segment with 3
          dorsal pseudocelli.................................... fazii
        Third thoracic segment with 2 dorsal pseudocelli........ nevoi
 
33(31). Second to third abdominal segment with 3 dorsal pseudocelli...
           ........................................................ 34
        Second to third abdominal segment with 4 dorsal pseudocelli...
           ................................................ bergamaria
 
34(33). Fourth abdominal segment with 3 dorsal pseudocelli......... 35
        Fourth abdominal segment with more than 3 dorsal pseudocelli..
           ........................................................ 36
 
35(34). Third antennal segment sensory organ with 4 papillae..... jana
        Third antennal segment sensory organ with 5 papillae..... paro
 
36(34). Fourth abdominal segment with 4 dorsal pseudocelli......... 37
        Fourth abdominal segment with 5 dorsal pseudocelli......... 41
 
37(36). Fifth abdominal segment with 2 dorsal pseudocelli.......... 38
        Fifth abdominal segment with more than 2 dorsal pseudocelli...
           ........................................................ 39
 
38(37). Ventral formula of pseudocelli 2/000/2111................ paro 3
        Ventral formula of pseudocelli 3/011/1212........... angelieri
 
39(37). Postantennal organ with fewer than 21 vesicles............. 40
        Postantennal organ with more than 25 vesicles......... traiani
 
40(39). Postantennal organ with 10 vesicles................ variabilis
        Postantennal organ with 12-20 vesicles.................... opa
 
41(36). Fifth abdominal segment with 3 dorsal pseudocelli.......... 42
        Fifth abdominal segment with 4 dorsal pseudocelli.......... 47
 
42(41). Th i-iii with 011 ventral pseudocelli...................... 43
        Th i-iii without ventral pseudocelli.................. eduardi
 
43(42). First to fourth abdominal segment not with 1212 ventral
          pseudocelli.............................................. 44
        First to fourth abdominal segment with 1212 ventral
          pseudocelli................................ pseudoinsubraria
 
44(43). First to fourth abdominal segment not with 2212 ventral
          pseudocelli.............................................. 45
        First to fourth abdominal segment with 2212 ventral
          pseudocelli...................................... insubraria
 
45(44). First to fourth abdominal segment with 3212 ventral
          pseudocelli.............................................. 46
        First to fourth abdominal segment with 3222 ventral
          pseudocelli........................................ silvaria
 
46(45). First tibiotarsus, ii, iii with 18-18-17 chaetae; unguiculus
          with basal lamella................................ mangazeya
        First tibiotarsus, ii, iii with 18-18/20-18/19 chaetae;
          unguiculus without basal lamella...................... gemae
 
47(41). Head with 2 ventral pseudocelli............................ 48
        Head with 3 ventral pseudocelli............................ 50
 
48(47). Thorax and abdomen with ventral pseudocelli................ 49
        Thorax and abdomen without ventral pseudocelli : 2/000/0000...
           ................................................. antheuili
 
49(48). Ventral pseudocelli formula 2/011/1212............. defensaria
        Ventral pseudocelli formula 2/011/2212............. imperfecta 1
 
50(47). First abdominal segment with 3 ventral pseudocelli......... 51
        First abdominal segment with fewer than 3 ventral pseudocelli.
           ........................................................ 54
 
51(50). Ventral first to fourth abdominal segment pseudocelli formula
          3212............................................. cebennaria
        Ventral first to fourth abdominal segment pseudocelli formula
          3222..................................................... 52
 
52(51). Unguiculus with basal lamella........................ banatica
        Unguiculus without basal lamella........................... 53
 
53(52). Subcoxa with 2 pseudocelli.......................... haybachae 2
        Subcoxa with 3 pseudocelli......................... vercoraria
 
54(50). Ventral pseudocelli formula 3/011/0111................. gigoni
        Ventral pseudocelli formula 3/011/2212................ dunaria
 
55(30). Second thoracic segment-iii with 1 dorsal pseudocellus........
           ............................................... acicindelia
        Second thoracic segment-iii with more than 1 dorsal
          pseudocellus............................................. 56
 
56(55). Fourth abdominal segment with 3 dorsal pseudocelli......... 57
        Fourth abdominal segment with more than 3 dorsal pseudocelli..
           ........................................................ 59
 
57(56). First to third abdominal segment with 3 dorsal pseudocelli. 58
        First to third abdominal segment with 4 dorsal pseudocelli....
           .................................................... boneti
 
58(57). Formula of ventral pseudocelli 1/111/0101........ gangjinensis
        Formula of ventral pseudocelli 2/000/0000........... gridellii
 
59(56). Fourth abdominal segment with 4 dorsal pseudocelli......... 60
        Fourth abdominal segment with 5 dorsal pseudocelli......... 66
 
60(59). Second thoracic segment-iii with 2 dorsal pseudocelli...... 61
        Second thoracic segment-iii with 3 dorsal pseudocelli...... 63
 
61(60). Third antennal segment sensory organ with 4 papillae.. nervosa
        Third antennal segment sensory organ with 5 papillae....... 62
 
62(61). Postantennal organ with 15-17 compound tubercles.... meziadica
        Postantennal organ with 19-21 compound tubercles..... hategana
 
63(60). Fifth abdominal segment with 2 dorsal pseudocelli. oregonensis
        Fifth abdominal segment with more than 2 dorsal pseudocelli...
           ........................................................ 64
 
64(63). Fifth abdominal segment with 3 dorsal pseudocelli..... inermis
        Fifth abdominal segment with more than 3 dorsal pseudocelli...
           ........................................................ 65
 
65(64). Fifth abdominal segment with 4 dorsal pseudocelli. kratochvili
        Fifth abdominal segment with 5 dorsal pseudocelli... strinatii
 
66(59). Second thoracic segment-iii with 2 dorsal pseudocelli...... 67
        Second thoracic segment-iii with 3-3 or 3-4 dorsal
          pseudocelli.............................................. 68
 
67(66). Ventral pseudocellar formula 2/000/0112.................. lusa
        Ventral pseudocellar formula 3/011/4212.............. romanica
 
68(66). Second thoracic segment-iii with 3-3 dorsal pseudocelli.... 69
        Second thoracic segment-iii with 3-4 dorsal pseudocelli.......
           .................................................. spipolae
 
69(68). Fifth abdominal segment with 2 dorsal pseudocelli.......... 70
        Fifth abdominal segment with more than 2 dorsal pseudocelli...
           ........................................................ 71
 
70(69). Ventral formula of pseudocelli 2/022/2222........... silesiaca
        Ventral formula of pseudocelli 3/011/?1?1........... vinuensis
 
71(69). Fifth abdominal segment with 3 dorsal pseudocelli.......... 72
        Fifth abdominal segment with 4 dorsal pseudocelli.......... 74
 
72(71). Head with 2 ventral pseudocelli...................... scotaria
        Head with 3 ventral pseudocelli............................ 73
 
73(72). Ventral formula of pseudocelli 3/011/3212........... frasassii
        Ventral formula of pseudocelli 3/022/3222............. ossaria
 
74(71). Head with 2 ventral pseudocelli............................ 75
        Head with 3 ventral pseudocelli............................ 77
 
75(74). Second thoracic segment-iii with ventral pseudocelli....... 76
        Second thoracic segment-iii without ventral pseudocelli.......
           ................................................... hussoni
 
76(75). Ventral formula of pseudocelli 2/-11/3111.......... handschini
        Ventral formula of pseudocelli 2/011/2212............ ghidinii
 
77(74). Second thoracic segment-iii with 1 ventral pseudocellus.... 78
        Second thoracic segment-iii with 2 ventral pseudocelli........
           .................................................. bosnaria
 
78(77). Ventral formula of pseudocelli 3/011/2212...... pseudoghidinii
        Ventral formula of pseudocelli 3/011/3212......... caprelleana

Endnotes

1 sensu Denis, 1938 nec Gisin 1952.

2 Deuteraphorura austriaria possible synonym.

3 Duplicates due to infraspecific variability.

4 Duplicates due to infraspecific variability.

5 Duplicates due to infraspecific variability.



References