http://www.collembola.org/key/actaidae.htm - Last updated on 2018.01.31 by Frans Janssens
Checklist of the Collembola: Key to the genera of Actaletidae

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.

Felipe N. Soto-Adames, University of Illinois, Illinois Natural History Survey, IL 61820, Champaign, USA
César Guillén, Department of Biology, University of Costa Rica, San José, Costa Rica.
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). Dental spines absent; maxilla elongate and narrow (fig.1b);
        third bothriotrichum on fourth abdominal segment absent
        (fig.2b)........................................... Actaletes
      Dental spines present; maxilla globose (fig.1a); third
        bothriotrichum on fourth abdominal segment present (fig.2a)..
         ............................................... Spinactaletes

Fig.1.
 

Fig.2.
 


Differential diagnoses

Actaletes
Dental spines absent. Maxilla elongate and narrow (fig.1b). Third bothriotrichum on fourth abdominal segment absent (fig.2b).

Spinactaletes
Dental spines present. Maxilla globose (fig.1a). Third bothriotrichum on fourth abdominal segment present (fig.2a).


References