Three new species of oribatid mites of the family Galumnidae (Acari, Oribatida) from South Africa Author Ermilov, Sergey G. Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, Tyumen, Russia Author Hugo-Coetzee, Elizabeth A. National Museum, Bloemfontein, South Africa & University of the Free State, Bloemfontein, South Africa Author Khaustov, Alexander A. 0000-0002-0306-112X Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, Tyumen, Russia & alex 1973 khaustov @ gmail. com; https: // orcid. org / 0000 - 0002 - 0306 - 112 X alex1973khaustov@gmail.com text Zootaxa 2021 2021-01-27 4920 1 91 100 journal article 8504 10.11646/zootaxa.4920.1.3 8c7a90dc-a88c-4ae7-9981-9ba0e02b9dce 1175-5326 4471639 F26DD750-81BE-4D94-A4ED-62FED16A4581 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 .