Checklist of the Collembola: Key to the species of Folsomia |
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.
Wolfram Dunger,
Staatliches Museum für Naturkunde Görlitz, Görlitz, DDR
Jelena Zivadinovic,
Poljprivredni fakultet Univerziteta, Sarajevo, Yugoslavia
Frans Janssens,
Department of Biology, University of Antwerp, Antwerp, B-2020, Belgium
1(0). Eyes 0 + 0, 1 + 1 or 2 + 2; pigment absent or present....... 2 Eyes 5 + 5 or 6 + 6; pigment present....................... 14 2(1). Eyes absent and pigment absent.............................. 3 Eyes present - 2 + 2 or 1 + 1, difficult to observe! and pigment mostly present or seldom absent................... 8 3(2). Manubrium ventrally with 2 setae.................... gebhardti Manubrium ventrally with 4 or more setae.................... 4 4(3). Manubrium ventrally with 4 setae............................ 5 Manubrium ventrally with 8 to 32 setae...................... 6 5(4). Dens ventrally with 21 setae....................... sensibilis Dens ventrally with 8 to 12 setae................... inoculata 6(4). Manubrium ventrally with 16 to 32 setae............... candida Manubrium ventrally with 8 to 12 setae...................... 7 7(6). Dens ventrally with 12 to 14 setae.................... spinosa Dens ventrally with 18 to 21 setae.................. fimetaria 8(2). Manubrium ventrally with 2 setae............................ 9 Manubrium ventrally with 5 or more setae................... 12 9(8). Dens ventrally with 4 or 5 setae.................. bogojevicae Dens ventrally with 7 or 8 setae........................... 10 10(9). Eyes 1 + 1 and pigment absent................... diplophthalma Eyes 2 + 2 and pigment mostly distinctly present or seldom absent................................................... 11 11(10). Sensillum accp at thorax ii in front of p-series.............. ............................................. quadrioculata Sensillum accp at thorax ii in p-series............ manolachei 12(8). Manubrium ventrally with 12 to 17 setae.............. penicula Manubrium ventrally with 5 to 8 setae...................... 13 13(12). Eyes 1 + 1; manubrium ventrally with 8 setae.......... similis Eyes 2 + 2; manubrium ventrally with 6 setae...... microchaeta 14(1). Frontally grouped eyes 3 + 3, followed by 2 + 2 eyes....... 15 Frontally grouped eyes 4 + 4, followed by 1 + 1 or 2 + 2 eyes. .................................................... alpina 15(14). Dens ventrally with 11 setae..................... decemoculata Dens ventrally with 27 setae......................... decopsis