Checklist of the Collembola: Key to the species of Weberacantha |
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.
Mikhail Potapov,
Moscow State Pedagogical University, Moscow, 129164, Russia
Anatoly Babenko,
Institute of Ecology and Evolution RAN, Moscow, 119071, Russia
Arne Fjellberg,
Zoological Museum, Lund University, S-223 62, Lund, Sweden
Frans Janssens,
Department of Biology, University of Antwerp, Antwerp, B-2020, Belgium
1(0). Fifth abdominal segment with 8 short spines set on low papillae (fig.154)................................................ octa Fifth abdominal segment without spines........................ 2 2(1). Macrochaetae on fifth abdominal segment clearly thickened (fig.161); ventral tube with 6 + 6 laterodistal and about 10 posterior chaetae............................... echinodermata Macrochaetae on fifth abdominal segment not thickened (fig.174); ventral tube with less than 6 + 6 laterodistal and lees than 10 posterior chaetae........................................ 3 3(2). Ventral tube with 3 + 3 laterodistal chaetae.................. 4 Ventral tube with 4 + 4 laterodistal chaetae...... magnomucrella 4(3). Ocelli 6 + 6; dens with 1-2 anterior chaetae; manubrium with 2 + 2 chaetae on anterior surface......................... beckeri Ocelli 8 + 8; dens with 5 anterior chaetae; manubrium with 1 + 1 anterior chaetae.................................. janetscheki