Tullbergiidae

Arbea, Javier I., 2016, Three new species and one new record of Tullbergiidae (Collembola: Onychiuroidea) from Tierra del Fuego, Zootaxa 4093 (1) : -

Key to species of Tullbergiidae from Tierra del Fuego

1 Abd VI with 2 anal spines and without spiniform processes ( Tullbergia ).......................................... 2

- Abd VI with 2 anal spines and 5 or 7 spiniform processes ( Dinaphorura )........................................ 8

2 AIIIO with 2 dorsal sensory clubs......................................................................... 3

- AIIIO with 3 dorsal sensory clubs........................................................................ 6

3 Pso formula 11/111/11111............................ T. insularis Wahlgren, 1906 (Tierra del Fuego and Falkland Is.)

- Pso formula 11/111/11121............................................................................. 4

4 PAO with 20–22 vesicles........... T. meridionalis Cassagnau & Rapoport, 1962 sensu Barra (1995) ( Natal, South Africa)

- PAO with more vesicles................................................................................ 5

5 PAO with 30–52 vesicles........................................... T. meridionalis Cassagnau & Rapoport, 1962 ( bisetosa form after Cassagnau & Rapoport, 1962: Patagonian Argentina and Chile, Tierra del Fuego)

- PAO with 55–80 vesicles............................................................. T. bisetosa Börner, 1903 (Kerguelen Is., Marion Is., Macquarie Is., Heard I., South Georgia Is., Falkland I, Tierra del Fuego and Magallanes, Chile)

6 Th pso formula 111.................................................................................... 7

- Th pso formula 122.............................................. Tullbergia rapoporti sp. nov. (Tierra del Fuego)

7 Abd IV with 1+1 pso............................................ T. quadrisetosa (Willem, 1902) (Tierra del Fuego)

- Abd IV with 2+2 pso................ T. trisetosa (Schäffer, 1897) p.p. (Tierra del Fuego, Patagonia and Magallanes, Chile)

8 Abd VI with five spiniform processes........................................ D. magellanica Rubio, 1974 ( Chile)

- Abd VI with seven spiniform processes.................................................................... 9

9 PAO triangular with 12–20 vesicles..................................................................... 10

- PAO elongate with 18–24 vesicles...................................................................... 11

10 PAO with 12–15 vesicles. Apical vesicle of Ant IV simple.............. D. americana Rapoport, 1962 ( Argentina, Chile)

- PAO with 18–20 vesicles. Apical vesicle of Ant IV absent........................ D. najtae sp. nov. (Tierra del Fuego)

11 Apical vesicle of Ant IV trilobed. PAO with 22–24 vesicles................ D. spinosissima (Wahlgren, 1906) ( Argentina)

- Apical vesicle of Ant IV absent. PAO with 18–20 vesicles....................... D. nerudai sp. nov. (Tierra del Fuego)