Brachystomellidae, Stach, 1949

Janion-Scheepers, Charlene & Deharveng, Louis, 2022, A shocking-red new species of Setanodosa Salmon, 1942 (Collembola: Brachystomellidae) from South Africa, Zootaxa 5154 (4), pp. 483-495 : 493

Key to species of Brachystomellidae from South Africa

1 Furca present........................................................................................ 3

- Furca absent......................................................................................... 2

2 Tibiotarsi with 4 clavate tenent hairs, PAO with 5-8 lobes, shocking red in colour................................................................................................... Setanodosa jacquesi sp. nov. ( South Africa)

- Tibiotarsi with 5 clavate tenent hairs, PAO with 4 lobes, brown in colour......................................................................................... Setanodosa capitata ( Womersley, 1934) ( South Africa, Australia)

3 Mandible present................................ Probrachystomellides nicolaii Weiner & Najt, 1991 ( South Africa)

- Mandible absent...................................................................................... 4

4 Th. I with 2+2 chaetae................................................................................. 5

- Th. I with more than 2+2 chaetae........................................................................ 6

5 PAO with 6-7 lobes, apical bulb simple................. Brachystomella georgensis Weiner & Najt, 1991 ( South Africa)

- PAO with 5 lobes, apical bulb bi- or trilobed................................................................................. Brachystomella platensis Najt & Massoud, 1974 ( Argentina, Australia; South Africa as B. cf. platensis )

6 Th. I with 3+3 chaetae, dens with 5 chaetae, PAO with 6-8 lobes..................................................................................................... Brachystomella parvula ( Schäffer, 1896) * (cosmopolitan)

- Th. I with 4+4 chaetae, dens with 6 chaetae, PAO with 4 lobes.. Brachystomella coatesi Weiner & Najt, 1991 ( South Africa)