Sagola tararuaensis Park and Carlton

Park, J. - S. & Carlton, C. E., 2014, A revision of the New Zealand species of the genus Sagola Sharp (Coleoptera: Staphylinidae: Pselaphinae: Faronitae), The Coleopterists Bulletin (mo 13) 68, pp. 1-156 : 102

Sagola tararuaensis Park and Carlton , new species

( Figs. 56c, 56f , 57 )

Type Material. Holotype. NEW ZEALAND: Wellington: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ NEW ZEALAND: WN: Tararua Forest Park, above Akatarawa Saddle , 455m, 40″56.936′S, 175″06.529′E, 26 XI–21 XII 2005, broadleafpodocarp forest on slope; FMHD#2005-0112 , flight intercept trap, A. Newton & M. Thayer; ANMT site 1151”, “ HOLOTYPE Sagola tararuaensis Park and Carlton 2013 ” . Paratypes (n = 12: 7 males; 5 females). NEW ZEALAND: Wellington : 1♂ ( FMNH), same data as holotype ; 2♂♂ ( JTN), Pakurarahi Forks, Kaitoke , 24 VII 1993, dead kiekie stem, J. Nunn ; 1♂ 1♀ ( JTN), Manawatu Gorge , 17 XI 1991, J. Nunn ; 1♂ 1♀ ( JTN), Keith George Park, Silverstream , 5 V 1995, J. Nunn, decayed wood ; 1♂ ( JTN), Waiotauru Rd , Tararua FP, 23 IV 1995, J. Nunn, decayed wood ; 1♂ ( JTN), Graces Stream tr, Rimutaka FP, 15 VIII 1993, J. Nunn, decayed wood ; 1♀ ( JTN), Wainui Trig, Wainuiomata , 14 VII 1993, J. Nunn, decayed wood ; 1♀ ( JTN), West Lake Wairarapa Res , 20 IV 1997, J. Nunn, subhumified wood ; 1♀ ( JTN), Trentham Memorial Park , 7 VIII 1993, J. Nunn, decayed wood .

Etymology. This species is named after the type locality, Tararua Forest Park, Wellington.

Diagnosis. This species can be distinguished from the other species of the notabilis speciesgroup by the following combination of characters: size larger, length 2.7–3.0 mm; male antennomeres 4–6 weakly enlarged, 8 enlarged; male fore femur with weak semicircular depression; shape of ventral surface of male head and genitalia unique to species; only known from Wellington of North Island.

Description. Length 2.7–3.0 mm. Body brown, antennae, legs, maxillary palpi, and elytra paler ( Fig. 56c ). Head: Round, as long as wide, widest across eyes ( Fig. 56c ). Antennomere, 2 longer than wide, 3–10 subquadrate, 4–6 weakly enlarged in male, 8 enlarged in male. Eye prominent, approximately two-thirds length of temple. Thorax: Prosternum as long as wide, widest at midpoint. Elytra rectangular ( Fig. 56c ). Meso- and metathorax trapezoidal, longer than wide. Male fore femur with shallow, semicircular depression. Abdomen: Tergite IV with pair of transverse patches of microtrichia reaching middle. Aedeagus: Median lobe of genitalia divided vertically, major lobe triangular and minor lobe oval ( Fig. 56f ). Phallobase of median lobe symmetrical and rectangular ( Fig. 56f ). Parameres symmetrical with triangular membranous process at one-third length, with setae apically ( Fig. 56f ).

Distribution. Wellington ( Fig. 57 : black squares).

Habitat. Specimens of this species were collected mostly by sifting decayed wood litter or using flight intercept traps.

Figures

Fig. 56. Sagola species in the notabilis species-group. Habitus, dorsal views: a) S. notabilis, b) S. monstrosa, c) S. tararuaensis. Aedeagi, dorsal views: d) S. notabilis, e) S. monstrosa, f) S. tararuaensis. S. monstrosa, male: g) Antenna, h) Dorsal surface of head, i) Ventral surface of head, j) Hind leg, lateral view, k) Hind claw, lateral view, l) Abdomen, ventral view. Scale bars a–c = 1 mm, d–l = 0.1 mm.

Fig. 57. Known collection localities of New Zealand Sagola species. S. notabilis: black circles; S. monstrosa: triangles; S. tararuaensis: black squares.