Checklist of the Collembola: Key to the species of Arrhopalites |
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.
Douglas Zeppelini Filho,
F.F.C.L.R.P., Universidade de São Paulo, Ribeirão Preto, 14040-901, Brasil
Frans Janssens,
Department of Biology, University of Antwerp, Antwerp, B-2020, Belgium
1(0). Seta B10 female subanal appendages cylindrical and acuminate.. ......................................................... 2 Seta B10 female subanal appendages flat with apex and edge brushlike................................................. 6 Seta B10 female subanal appendages flat and pectinate...... 20 Seta B10 female subanal appendages flat and smooth......... 36 Seta B10 female subanal appendages spatular with apex and edge serrate.................................................. 38 Seta B10 female subanal appendages gutterlike with fringed apex..................................................... 46 Seta B10 female subanal appendages gutterlike with cylindrical apex..................................................... 55 Seta B10 female subanal appendages bifid or trifid and serrate.................................................. 61 |
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2(1). Fourth antennal segment (ANT IV) n subsegments ringed; ANT IV 7 subsegments........................................... gul Fourth antennal segment (ANT IV) n subsegments free; ANT IV 6 subsegments............................................... 3 Fourth antennal segment (ANT IV) n undivided; ANT IV undivided................................................. 5 |
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3(2). Seta E3 normal; Seta L1 normal; Seta IL2 normal; Seta A3 normal............................................... boneti Seta E3 spinelike; Seta L1 strongly spinelike; Seta IL2 strongly spinelike; Seta A3 strongly spinelike...... dudichi Seta E3 strongly spinelike; Seta L1 spinelike; Seta IL2 spinelike; Seta A3 spinelike.............................. 4 |
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4(3). Seta M1 present; Corner tooth of unguiculus I present; Apical filament of unguiculus II exceeding the apex of unguis II; Seta E7 present; Seta L3 spinelike................ styriacus Seta M1 absent; Corner tooth of unguiculus I absent; Apical filament of unguiculus II short; Seta E7 absent; Seta L3 absent........................................... slovacicus |
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5(2). Seta A3 normal; Seta L1 normal; Seta IL2 normal; Seta M5 absent; Inner tooth of unguis I normal............... spnovr Seta A3 spinelike; Seta L1 spinelike; Seta IL2 spinelike; Seta M5 present; Inner tooth of unguis I absent.......... nivalis |
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6(1). ANT IV undivided............................................ 7 ANT IV 5 subsegments........................................ 9 ANT IV 6 subsegments....................................... 14 ANT IV 7 subsegments....................................... 17 ANT IV 8 subsegments........................ changbaishanensis |
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7(6). Apical filament of unguiculus III present; Seta ve5 absent; Seta E1 strong articulated spine; Seta E2 spinelike; Seta E3 spinelike................................................. 8 Apical filament of unguiculus III absent; Seta ve5 present; Seta E1 spinelike; Seta E2 normal; Seta E3 normal........... ................................................ pukouensis |
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8(7). Apical organ sensillae in separate pits; Seta Api normal; Number of setae on the metatrochanter 3 setae; Tunica of unguis II weak; Tunica of unguis III weak..... postumicoides Apical organ sensillae in a single pit; Seta Api slender and short; Number of setae on the metatrochanter 4 setae; Tunica of unguis II absent; Tunica of unguis III absent... ezoensis |
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9(6). Seta L3 normal......................................... dubius Seta L3 spinelike.......................................... 10 Seta L3 absent......................................... lewisi |
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10(9). Seta C3 normal.......................................... bimus Seta C3 swollen at the base................................ 11 Seta C3 winged............................................. 13 |
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11(10). Seta L1 normal; Seta IL2 normal; Seta Ape slender; Seta A3 normal; Seta L2 normal................................... 12 Seta L1 spinelike; Seta IL2 spinelike; Seta Ape short, cylindrical and acuminate; Seta A3 spinelike; Seta L2 spinelike....................................... secundarius |
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12(11). Inner tooth of unguis I normal; Seta D7 present...... pygmaeus Inner tooth of unguis I absent; Seta D7 absent..... postumicus |
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13(10). Seta L1 normal; Seta L2 normal; Seta IL2 normal; Seta IL1 normal; Seta IL3 normal............................. spnovee Seta L1 spinelike; Seta L2 spinelike; Seta IL2 spinelike; Seta IL1 spinelike; Seta IL3 spinelike................. terricola Seta L1 strongly spinelike; Seta L2 strongly spinelike; Seta IL2 strongly spinelike; Seta IL1 strongly spinelike; Seta IL3 strongly spinelike............................ carolynae |
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14(6). Apical filament of unguiculus I exceeding the apex of unguis I........................................................ 15 Apical filament of unguiculus I short...................... 16 Apical filament of unguiculus I absent........... troglophilus |
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15(14). Tunica of unguis III strong; Corner tooth of unguiculus III absent; Tunica of unguis I strong; Tunica of unguis II strong; Apex of mucron gutterlike.................. texensis Tunica of unguis III absent; Corner tooth of unguiculus III present; Tunica of unguis I absent; Tunica of unguis II absent; Apex of mucron spoon shaped.................. caedus |
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16(14). Seta L1 normal; Seta IL2 normal; Seta M1 absent; Seta M5 present; Corner tooth of unguiculus I absent......... silvus Seta L1 spinelike; Seta IL2 spinelike; Seta M1 present; Seta M5 absent; Corner tooth of unguiculus I present...... lacuna |
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17(6). Apical filament of unguiculus I exceeding the apex of unguis I; Apical filament of unguiculus II exceeding the apex of unguis II................................................ 18 Apical filament of unguiculus I short; Apical filament of unguiculus II short.................................. clarus Apical filament of unguiculus I absent; Apical filament of unguiculus II absent.................................. sacer |
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18(17). Seta M4 present; Corner tooth of unguiculus III present; Inferior edge of mucron normal; Seta Api slender and short; Number of setae on the metatrochanter 4 setae............ 19 Seta M4 absent; Corner tooth of unguiculus III absent; Inferior edge of mucron narrowed at the distal half; Seta Api normal; Number of setae on the metatrochanter 3 setae... .............................................. nanjingensis |
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19(18). Apical organ sensillae in separate pits; Seta Ape short, cylindrical and acuminate; Apical filament of unguiculus III present; Seta E3 strongly spinelike; Seta C8 swollen at the base.................................................. habei Apical organ sensillae in a single pit; Seta Ape slender; Apical filament of unguiculus III absent; Seta E3 normal; Seta C8 normal................................. giovannensis |
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20(1). ANT IV undivided....................................... spnov1 ANT IV 5 subsegments....................................... 21 ANT IV 6 subsegments....................................... 31 ANT IV 7 subsegments....................................... 34 ANT IV 8 subsegments................................ subboneti ANT IV more than 10 subsegments......................... uenoi |
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21(20). Seta E2 normal............................................. 22 Seta E2 spinelike............................ pseudoappendices |
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22(21). Seta C8 normal............................................. 23 Seta C8 swollen at the base................................ 25 Seta C8 winged............................................. 30 Seta C8 dentate at the base.................. infrasecundarius |
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23(22). Tunica of unguis III strong........................ kolymensis Tunica of unguis III weak........................ thermophilus Tunica of unguis III absent................................ 24 |
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24(23). Corner tooth of unguiculus I present; Seta E3 normal; Seta E7 present; Traces of pigments absent..................... ater Corner tooth of unguiculus I absent; Seta E3 spinelike; Seta E7 absent; Traces of pigments present...... infrasecundarius |
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25(22). Apical filament of unguiculus III present.................. 26 Apical filament of unguiculus III absent.............. benitus |
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26(25). Traces of pigments present................................. 27 Traces of pigments absent.................................. 29 |
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27(26). Inner tooth of unguis I normal; Tunica of unguis II absent; Corner tooth of unguiculus I absent...................... 28 Inner tooth of unguis I absent; Tunica of unguis II weak; Corner tooth of unguiculus I present.............. alticolus |
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28(27). Number of setae on the metatrochanter 4 setae; Corner tooth of unguiculus II absent; Corner tooth of unguiculus III absent; Apex of mucron gutterlike; Seta E3 strongly spinelike....... ................................................... sericus Number of setae on the metatrochanter 3 setae; Corner tooth of unguiculus II present; Corner tooth of unguiculus III present; Apex of mucron spoon shaped; Seta E3 spinelike..... .......................................... infrasecundarius |
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29(26). Seta E7 present; Seta L3 spinelike; Seta C5 branched; Seta C9 normal; Apical organ sensillae in separate pits........ pavo Seta E7 absent; Seta L3 normal; Seta C5 winged; Seta C9 swollen at the base; Apical organ sensillae in a single pit. ............................................... madonnensis |
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30(22). Number of setae on the metatrochanter 4 setae; Corner tooth of unguiculus I present; Corner tooth of unguiculus III absent; Seta E3 strongly spinelike; Seta E7 present...... whitesidei Number of setae on the metatrochanter 3 setae; Corner tooth of unguiculus I absent; Corner tooth of unguiculus III present; Seta E3 spinelike; Seta E7 absent.......... infrasecundarius |
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31(20). Seta M1 present; Seta E7 present........................... 32 Seta M1 absent; Seta E7 absent......................... hirtus |
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32(31). Seta C5 normal....................................... jeanneli Seta C5 swollen at the base....................... longicornis Seta C5 winged...................................... marshalli Seta C5 branched........................................... 33 |
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33(32). Seta L2 normal; Seta IL1 strongly spinelike; Seta IL2 strongly spinelike; Seta IL3 normal; Inner tooth of unguis I absent.. ............................................. principalisPo Seta L2 spinelike; Seta IL1 spinelike; Seta IL2 spinelike; Seta IL3 spinelike; Inner tooth of unguis I normal.......... ............................................. principalisAl |
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34(20). Tunica of unguis III strong........................ bellingeri Tunica of unguis III weak................................ arca Tunica of unguis III absent................................ 35 |
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35(34). Seta A3 normal; Seta L1 normal; Seta IL2 normal; Inner tooth of unguis I normal; Apical filament of unguiculus II short.. .................................................. hubbardi Seta A3 spinelike; Seta L1 spinelike; Seta IL2 spinelike; Inner tooth of unguis I absent; Apical filament of unguiculus II exceeding the apex of unguis II........ yosiii |
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36(1). Inner tooth of unguis I normal......................... spnov3 Inner tooth of unguis I filamentous.................. diversus Inner tooth of unguis I absent............................. 37 |
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37(36). Corner tooth of unguiculus I present; Apical filament of unguiculus I exceeding the apex of unguis I; Apical filament of unguiculus III present; Seta L3 absent; Seta M5 present.. .......................................... acanthophthalmus Corner tooth of unguiculus I absent; Apical filament of unguiculus I short; Apical filament of unguiculus III absent; Seta L3 spinelike; Seta M5 absent.... microphthalmus |
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38(1). Seta C4 swollen at the base................................ 39 Seta C4 winged............................................. 41 Seta C4 dentate at the base................................ 42 Seta C4 branched........................................... 43 |
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39(38). Inner tooth of unguis I normal; Apical filament of unguiculus I exceeding the apex of unguis I; Seta E3 strongly spinelike; ANT IV 5 subsegments.......................... 40 Inner tooth of unguis I filamentous; Apical filament of unguiculus I short; Seta E3 normal; ANT IV undivided. spnov2 Inner tooth of unguis I absent; Apical filament of unguiculus I absent; Seta E3 spinelike; ANT IV 8 subsegments. japonicus |
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40(39). Corner tooth of unguiculus III present; Apex of mucron gutterlike; Inferior edge of mucron normal; Seta ve5 absent; Seta C8 swollen at the base....................... canzianus Corner tooth of unguiculus III absent; Apex of mucron spoon shaped; Inferior edge of mucron narrowed at the distal half; Seta ve5 present; Seta C8 normal................. plectrifer |
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41(38). Inner tooth of unguis I normal; Corner tooth of unguiculus I present; Seta E7 present; ANT IV 5 subsegments; Inferior edge of mucron narrowed at the distal half........... ruseki Inner tooth of unguis I absent; Corner tooth of unguiculus I absent; Seta E7 absent; ANT IV 7 subsegments; Inferior edge of mucron normal................................ octacanthus |
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42(38). Inner tooth of unguis I normal; Apical filament of unguiculus I exceeding the apex of unguis I; ANT IV 5 subsegments; Inner tooth of unguis II normal; Corner tooth of unguiculus III absent............................................. sapo Inner tooth of unguis I absent; Apical filament of unguiculus I short; ANT IV 6 subsegments; Inner tooth of unguis II absent; Corner tooth of unguiculus III present..... commorus |
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43(38). Corner tooth of unguiculus III present; Seta M4 absent..... 44 Corner tooth of unguiculus III absent; Seta M4 present..... 45 |
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44(43). Seta L2 normal; Tunica of unguis I strong; Apical filament of unguiculus III present; Inferior edge of mucron normal; Seta E2 spinelike....................................... spinosus Seta L2 spinelike; Tunica of unguis I absent; Apical filament of unguiculus III absent; Inferior edge of mucron narrowed at the distal half; Seta E2 normal................... amarus |
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45(43). Seta IL3 normal; Seta Ape slender; Tunica of unguis I absent; Tunica of unguis II absent; Apical filament of unguiculus II exceeding the apex of unguis II................ cochlearifer Seta IL3 spinelike; Seta Ape short, cylindrical and acuminate; Tunica of unguis I strong; Tunica of unguis II strong; Apical filament of unguiculus II absent.............. gisini |
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46(1). Tunica of unguis III strong................................ 47 Tunica of unguis III weak............................ baccetti Tunica of unguis III absent................................ 52 |
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47(46). ANT IV undivided................................ alambariensis ANT IV 4 subsegments.................................. amorimi ANT IV 5 subsegments....................................... 48 ANT IV 6 subsegments....................................... 49 |
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48(47). Tunica of unguis I strong........................... vazquezae Tunica of unguis I absent....................... botuveraensis |
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49(47). Seta E5 normal; Number of lenses on eyes spots 1 lens; Setae ve1 normal............................................... 50 Seta E5 spinelike; Number of lenses on eyes spots 2 lenses; Setae ve1 three spines........................ heteroculatus |
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50(49). Seta M3 normal; Seta E4 spinelike.......................... 51 Seta M3 spinelike; Seta E4 normal................. paranaensis |
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51(50). Seta M4 normal; Inner tooth of unguis I absent; Apical filament of unguiculus III absent; Seta C9 swollen at the base; Seta M5 normal.............................. gnaspinii Seta M4 spinelike; Inner tooth of unguis I normal; Apical filament of unguiculus III present; Seta C9 normal; Seta M5 spinelike.......................................... anulifer |
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52(46). Inner tooth of unguis I normal............................. 53 Inner tooth of unguis I absent............................. 54 |
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53(52). Seta M5 present; Apical filament of unguiculus III absent; Seta M4 spinelike; Seta Ape short, cylindrical and acuminate; Setae ve3 paired......................... harveyi Seta M5 absent; Apical filament of unguiculus III present; Seta M4 normal; Seta Ape slender; Setae ve3 unpaired........ ................................................... minutus |
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54(52). Apical filament of unguiculus I exceeding the apex of unguis I; Apical filament of unguiculus II exceeding the apex of unguis II; Apical filament of unguiculus III present; Setae ve3 paired; Seta C3 winged........................ lawrencei Apical filament of unguiculus I short; Apical filament of unguiculus II short; Apical filament of unguiculus III absent; Setae ve3 unpaired; Seta C3 swollen at the base..... .................................................... millsi |
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55(1). Tunica of unguis III strong................................ 56 Tunica of unguis III weak......................... hedrosensis Tunica of unguis III absent................................ 58 |
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56(55). ANT IV undivided.................................... coecusPol ANT IV 3 subsegments................................ ulehlovae ANT IV 4 subsegments................................. incertus ANT IV 5 subsegments....................................... 57 |
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57(56). Seta A3 normal; Seta M4 absent; Seta Ape short, cylindrical and acuminate; Tunica of unguis I strong; Corner tooth of unguiculus I present.............................. antrobius Seta A3 spinelike; Seta M4 present; Seta Ape slender; Tunica of unguis I absent; Corner tooth of unguiculus I absent..... ................................................. coecusAla |
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58(55). Inner tooth of unguis III normal; Seta E5 normal........... 59 Inner tooth of unguis III filamentous; Seta E5 spinelike...... ................................................... spnovaa |
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59(58). Number of setae on the metatrochanter 4 setae; Seta L2 spinelike............................................ tenuis Number of setae on the metatrochanter 3 setae; Seta L2 normal. ........................................................ 60 |
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60(59). Number of lenses on eyes spots 1 lens; Corner tooth of unguiculus III present; Apex of mucron gutterlike; Inferior edge of mucron normal; Seta ve5 absent............. chopardi Number of lenses on eyes spots no lenses on eyes; Corner tooth of unguiculus III absent; Apex of mucron spoon shaped; Inferior edge of mucron narrowed at the distal half; Seta ve5 present.......................................... loczyi |
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61(1). Corner tooth of unguiculus I present....................... 62 Corner tooth of unguiculus I absent........................ 71 |
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62(61). Apical filament of unguiculus II exceeding the apex of unguis II....................................................... 63 Apical filament of unguiculus II short..................... 69 Apical filament of unguiculus II absent.................... 70 |
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63(62). Tunica of unguis II weak; Tunica of unguis III strong..... jay Tunica of unguis II absent; Tunica of unguis III absent.... 64 |
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64(63). Apical filament of unguiculus III present.................. 65 Apical filament of unguiculus III absent.............. obtusus |
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65(64). Corner tooth of unguiculus III present..................... 66 Corner tooth of unguiculus III absent...................... 67 |
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66(65). Seta IL2 normal; Seta IL3 normal; Inner tooth of unguis I normal; Seta A3 normal; Seta L1 normal.......... intermedius Seta IL2 spinelike; Seta IL3 spinelike; Inner tooth of unguis I absent; Seta A3 spinelike; Seta L1 spinelike........ altus |
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67(65). Corner tooth of unguiculus II present...................... 68 Corner tooth of unguiculus II absent.................. elegans |
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68(67). Seta IL3 normal; Seta A3 normal; Seta L1 normal; Seta IL2 normal; Seta IL1 normal...................... chiangdaoensis Seta IL3 spinelike; Seta A3 spinelike; Seta L1 spinelike; Seta IL2 spinelike; Seta IL1 spinelike................... bifidus |
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69(62). Apex of mucron gutterlike; Seta E3 normal; Seta L3 normal; Seta C3 swollen at the base; Seta C4 swollen at the base.... .................................................... sextus Apex of mucron spoon shaped; Seta E3 strongly spinelike; Seta L3 spinelike; Seta C3 normal; Seta C4 normal.... carpathicus |
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70(62). Corner tooth of unguiculus III present; ANT IV 8 subsegments; Seta D2 absent................................... buekkensis Corner tooth of unguiculus III absent; ANT IV 9 subsegments; Seta D2 present.............................. aggtelekiensis |
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71(61). Seta C2 smooth; Seta C9 normal; Seta D4 present............ 72 Seta C2 ciliate; Seta C9 swollen at the base; Seta D4 absent.. ................................................... ornatus |
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72(71). Seta L2 normal; Seta IL1 normal; Seta IL2 normal; Seta IL3 normal; Seta M5 absent............................. furcatus Seta L2 spinelike; Seta IL1 spinelike; Seta IL2 spinelike; Seta IL3 spinelike; Seta M5 present................... mauli |