http://www.collembola.org/key/puminura.htm - Last updated on 2020.05.31 by Frans Janssens
Checklist of the Collembola: Key to the species of Pumilinura

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.

Adrian Smolis, Department of Biodiversity and Evolutionary Taxonomy, Zoological Institute, Wroclaw University, 51-148 Wroclaw, Poland
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). Chaeta c on head absent; tubercles de on second thoracic segment
        to third abdominal segment with 2 chaetae................... 2
      Chaeta c on head present; tubercles de on second thoracic
        segment to third abdominal segment with 3 chaetae........... 3
 
2(1). Tubercle di on first thoracic segment with 1 chaeta; tubercle oc
        on head with 1 chaeta; tubercles di on fourth abdominal
        segment separate..................................... croatica
      Tubercle di on first thoracic segment without chaeta; tubercle
        oc on head with 2 chaetae; tubercles di on fourth abdominal
        segment fused.......................................... loksai
 
3(1). Tubercle di on head with 1 chaeta............................. 4
      Tubercle di on head with 2 chaetae............................ 5
 
4(3). Tubercle (di + di) on fourth abdominal segment with 1 + 1
        chaetae; tubercle de on head with 2 chaetae; chaeta o on head
        present.............................................. gneiweri
      Tubercle (di + di) on fourth abdominal segment with 2 + 2
        chaetae; tubercle de on head with 3 chaetae; chaeta o on head
        absent............................................... hidalgoi
 
5(3). Tubercles af and cl on head fused...................... albanica
      Tubercles af and cl on head separate.......................... 6
 
6(5). Tubercle de on first thoracic segment with 1 chaeta; eyes 2 + 2;
        tubercle dl on head with 4 chaetae..................... travei
      Tubercle de on first thoracic segment with 2 chaetae; eyes
        absent; tubercle dl on head with 3 chaetae............. vickae

Differential diagnoses

albanica
Chaeta c on head present. Tubercle di on head with 2 chaetae. Tubercles af and cl on head fused. Tubercles de on second thoracic segment to third abdominal segment with 3 chaetae.

croatica
Chaeta c on head absent. Tubercle di on first thoracic segment with 1 chaeta. Tubercle oc on head with 1 chaeta. Tubercles de on second thoracic segment to third abdominal segment with 2 chaetae. Tubercles di on fourth abdominal segment separate.

gneiweri
Chaeta c on head present. Chaeta o on head present. Tubercle (di + di) on fourth abdominal segment with 1 + 1 chaetae. Tubercle de on head with 2 chaetae. Tubercle di on head with 1 chaeta. Tubercles de on second thoracic segment to third abdominal segment with 3 chaetae.

hidalgoi
Chaeta c on head present. Chaeta o on head absent. Tubercle (di + di) on fourth abdominal segment with 2 + 2 chaetae. Tubercle de on head with 3 chaetae. Tubercle di on head with 1 chaeta. Tubercles de on second thoracic segment to third abdominal segment with 3 chaetae.

loksai
Chaeta c on head absent. Tubercle di on first thoracic segment without chaeta. Tubercle oc on head with 2 chaetae. Tubercles de on second thoracic segment to third abdominal segment with 2 chaetae. Tubercles di on fourth abdominal segment fused.

travei
Chaeta c on head present. Eyes 2 + 2. Tubercle de on first thoracic segment with 1 chaeta. Tubercle di on head with 2 chaetae. Tubercle dl on head with 4 chaetae. Tubercles af and cl on head separate. Tubercles de on second thoracic segment to third abdominal segment with 3 chaetae.

vickae
Chaeta c on head present. Eyes absent. Tubercle de on first thoracic segment with 2 chaetae. Tubercle di on head with 2 chaetae. Tubercle dl on head with 3 chaetae. Tubercles af and cl on head separate. Tubercles de on second thoracic segment to third abdominal segment with 3 chaetae.

References