Checklist of the Collembola: Key to the species of the harveyi group 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.
Robert S. Vargovitsh,
Schmalhausen Institute of Zoology NAS of Ukraine, Kiev, 01601, Ukraine
Frans Janssens,
Department of Biology, University of Antwerp, Antwerp, B-2020, Belgium
1(0). Upper anal valve of sixth abdominal segment with 2 + 2 cuticular spines................................................ harveyi Upper anal valve of sixth abdominal segment with more than 4 cuticular spines............................................ 2 2(1). Upper anal valve of sixth abdominal segment with 2 + 1 + 2 cuticular spines............................................ 3 Upper anal valve of sixth abdominal segment with 3 + 3 cuticular spines............................................... anulifer 3(2). Eyes 1 + 1.................................................... 4 Eyes 2 + 2.................................................... 9 4(3). Claw of first leg with tunica................................. 5 Claw of first leg without tunica.............................. 6 5(4). Fourth antennal segment undivided and indistinctly ringed....... ............................................... alambariensis Fourth antennal segment with 5 distinct ringed subsegments...... ................................................... vazquezae 6(4). Claw of first leg with inner tooth............................ 7 Claw of first leg without inner tooth......................... 8 7(6). Fourth antennal segment with 5 subsegments; seta IIIpe of dens spine-like...................................... botuveraensis Fourth antennal segment with 6 subsegments; seta IIIpe of dens simple............................................ paranaensis 8(6). Claw of third leg with tunica; empodium of third leg not reaching tip of claw; claw of second leg with tunica.......... ................................................... gnaspinii Claw of third leg without tunica; empodium of third leg with apical filament overtopping tip of claw; claw of second leg without tunica...................................... lawrencei 9(3). Empodium of first leg with corner tooth; fourth antennal segment with 6 subsegments; anterior pair of eyes much smaller than posterior pair; claw of first leg without tunica.............. ............................................... heteroculatus Empodium of first leg without corner tooth; fourth antennal segment with 4 subsegments; anterior and posterior eyes of subequal size; claw of first leg with tunica.......... amorimi