Octavius trihastatus Puthz, 2006
Figs. 65–71, 85–88, 95
Octavius trihastatus Puthz, 2006: 8
Type locality. South Africa, Mpumalanga Province, Mariepskop .
Type material examined. Paratype ♂: “S. Afr., E.Transvaal / Mariepskop / 24.35 S – 30.50 E ”, “ 6.5.1981; E-Y: 1785 / sifting / leg. Endrödy-Younga ”, “♂—Paratypus (top side) Puthz, 2005 (bottom side)” [yellow], “ Octavius / trihastatus sp.n. / det. Puthz 2005” (JJRC) .
Additional material examined (270 specimens): SOUTH AFRICA: Mpumalanga: 1 ♂: Mariepskop, Bush Pic Trail, km 1, 1550 m, - 24.56651S, 30.876382E 17.xi.2012, sifted at stream, P. Jałoszyński lgt. (MNHW) ; 3 ♂, 3 ♀, 101 ♂ or ♀: Mariepskop forest reserve, fynbos 1, ca. 1900 m, 25.xi.2023, 24°33.10'S 30°52.33'E, J. Janák lgt. (JJRC) ; 2 ♂, 4 ♀, 72 ♂ or ♀: Mariepskop forest reserve, fynbos 2, ca. 1900 m, 25.xi.2023, 24°33.17'S 30°52.20'E, J. Janák lgt. (JJRC) ; 10 ♂, 32 ♀, 42 ♂ or ♀: Mariepskop forest reserve, ind. forest, 1645 m, 25.xi.2023, 24°33.9'S 30°51.7'E, J. Janák lgt. (JJRC) .
Note. Significant variability in the shape of apical part of aedeagus was observed among examined specimens (Figs. 66–69).
Distribution. The species is currently known only from Mt. Mariepskop in Mpumalanga Province, South Africa (Fig. 95).
Bionomics. All new specimens were collected in siftings of forest litter in indigenous forest and in fynbos at the elevation of about 1600–1900 m a.s.l. (Figs. 85–88, with the abundance of specimens per kg of sifted material: fynbos 1: 14.9/kg, fynbos 2: 15.3/kg, forest 13.1/kg).