Stictozetes, Berlese, 1916

Ermilov, Sergey G., Hugo-Coetzee, Elizabeth A. & Khaustov, Alexander A., 2021, Three new species of oribatid mites of the family Galumnidae (Acari, Oribatida) from South Africa, Zootaxa 4920 (1), pp. 91-100 : 99

Key to known species of the genus Stictozetes

1. Bothridial seta setiform; notogastral porose area Aa located close to pteromorphal hinge, anterior to seta la; chelicera modified, specifically curved; body size: 400–422 × 298–313....... Stictozetes psadilliferus ( Mahunka, 1995) . Distribution: Borneo.

- Bothridial seta with developed head; notogastral porose area Aa removed from pteromorphal hinge, located medial seta la; chelicera normal, not curved.......................................................................... (2)

2. Pteromorph reticulate; sexual dimorphism present (male without median pore and notogastral porose areas versus female with median pore represented by several foveae and notogastral porose areas); body size: 250 × 202................................................................. Stictozetes bisulcatus ( Balogh, 1960) . Distribution: Congo, South Africa.

- Pteromorph not reticulate; sexual dimorphism in presence of median pore and notogastral porose areas absent......... (3)

3. Median pore present; bothridial seta with narrowly dilated head; body size: 298–332 × 232–249............................................................................. Stictozetes ihaguensis sp. nov. Distribution: South Africa.

- Median pore absent; bothridial seta with broadly dilated head................................................ (4)

4. Lamellar seta minute; dorsosejugal suture absent; body size: 320 × 220............................................................................. Stictozetes scaber ( Berlese, 1916) (see also Mahunka 1992). Distribution: Somali.

- Lamellar seta comparatively long; dorsosejugal suture present............................................... (5)

5. Rostral seta minute; dorsosejugal suture well developed; body size: 327–358 × 245–256............................................................................. Stictozetes margaritae ( Mahunka, 1993) . Distribution: Tanzania.

- Rostral seta comparatively long; dorsosejugal suture poorly observed; body size: 284–292 × 206–212.................................................................... Stictozetes microporosa ( Mahunka, 1986) . Distribution: Kenya.