Sagola incisa Théry and Leschen, 2013

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 : 48-49

Sagola incisa Théry and Leschen, 2013

( Figs. 25a, 25d , 26 )

Sagola incisa Théry and Leschen, 2013: 42 .

Type Material. Paratypes. NEW ZEALAND: Three Kings Islands: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, East Sector , E.G. Turbott, 6 X 1948, A.E. Brookes collection ; 1♀ ( NZAC), Great Island , Castaway Tr., 9 XI 2008, sifting rotten wood and leaf litter, T. Buckley, R. Leschen, TH 043, 34°09.369, 172°08.496 .

Additional Material (n = 43; 21 males; 22 females). NEW ZEALAND: Three Kings Islands : 3♂♂ 3♀♀, Summit , 275m, 23 XI 1970, G. Kuschel, litter 70/202 ; 1♂, Castaway Camp , 16 XI 1970, G. Kuschel, litter 70/195 ; 5♂♂ 1♀, Tasman Valley , 24 XI 1970, G. Kuschel, litter 70/211 ; 2♂♂, Tasman Valley , 26 XI 1970, J.C. Watt, litter 70/223 ; 1♂, W Summit , 240m, 26 XI 1970, J.C. Watt, moss 70/219 ; 1♂, Tasman Valley , 25 XI 1970, G. Kuschel, litter 70/215 ; 1♀, Tasman Valley , 24 XI 1970, G. Kuschel, litter 70/210l ; 1♀, Castaway Camp , 16 XI 1970, G. Kuschel, litter 70/195 ; 2♀♀, Castaway Camp , 29 XI 1970, G.W. Ramsay, litter 70/233 ; 4♂♂ 6♀♀, Great Island, 45m, South East Bay , 1 XII 1983, J.C. Watt, litter ; 2♂♂ 3♀♀, Tasman Valley , 2 XII 1983, J.C. Watt, litter ; 1♂, Great Island , 45m, 28–30 XI 1983, C.F. Butcher, pan trap near coast ; 1♀, Great Island, Tasman Bay , XII 1983, C.F. Butcher, moss ; 1♀, Great Island , area below trig litter 96/21, 8 XII 1996, G.L.F. Carlin ; 1♀, Great Island, Baylis Stm , sifted litter 99/24, 13 IV 1999, T. K. Crosby ; 2♀♀, Eastern Sector , E.G. Turbott, 6 X 1948, leaf mould, A.E. Brookes collection .

Diagnosis. This species is similar in appearance to other members of this species-group but can be distinguished by the shape of the antennae and genitalia. This species is only known from Three Kings Islands.

Redescription. Length 2.2–2.6 mm. Body brown, antennae, elytra, legs, and maxillary palpi paler ( Fig. 25a ). Head: Transverse, widest across temples ( Fig. 25a ). Antennomere 2 longer than wide, 3 subquadrate, 4 longer than wide, 5–10 subquadrate. Eye small and prominent, approximately one-third length of temple. Thorax: Prosternum weakly transverse, widest at midpoint. Elytra rectangular ( Fig. 25a ). Meso- and metathorax trapezoidal, as long as wide. Aedeagus: Median lobe slender, shorter than parameres ( Fig. 25d ). Phallobase of median lobe asymmetrical and rectangular ( Fig. 25d ). Parameres symmetrical with dense setae along midline ( Fig. 25d ).

Type Locality. Great Island , Three Kings Islands, New Zealand .

Distribution. Three Kings Islands ( Fig. 26 : black circle).

Habitat. Specimens of this species were collected by sifting leaf litter.

Comments. This species was described by Théry and Leschen (2013) with illustrations of habitus and diagnostic characters based on specimens collected only from the Three Kings Islands, an isolated archipelago ca. 60 km northwest of North Island. We based our study of this species on two paratypes.

Figures

Fig. 25. Sagola species in the incisa species-group.Habitus, dorsal views: a) S. incisa, b) S. deformipes, c) S. unuwhaoensis. Aedeagi, dorsal views: d) S. incisa, e) S. deformipes, f) S. unuwhaoensis. S. deformipes, male head: g) Dorsal surface, h) Ventral surface (arrow indicates round depression with anterior process). Scale bars a–c = 1 mm, d–h = 0.1 mm.

Fig. 26. Known collection localities of New Zealand Sagola species. S. incisa: black circle; S. deformipes: triangles; S. unuwhaoensis: black square.