http://www.collembola.org/key/arrhites.htm - Last updated on 2017.06.30 by Frans Janssens
Checklist of the Collembola: Key to the species-groups 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

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). Anterior side of dens with five rows of setae................. 2
      Anterior side of dens with four rows of setae: 3, 2, 1, 1.......
         .............................................. diversus-group
 
2(1). Anterior side of dens with 3, 2, 1, 1, 1 setae..... caecus-group
      Anterior side of dens with 3, 2, 2, 1, 1 setae.... harveyi-group

Differential diagnoses

caecus-group
Anterior side of dens with five rows of setae. Anterior side of dens with 3, 2, 1, 1, 1 setae.

diversus-group
Anterior side of dens with four rows of setae: 3, 2, 1, 1.

harveyi-group
Anterior side of dens with five rows of setae. Anterior side of dens with 3, 2, 2, 1, 1 setae.


References