Sagola unuwhaoensis 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 : 50

Sagola unuwhaoensis Park and Carlton , new species

( Figs. 25c, 25f , 26 )

Type Material. Holotype. NEW ZEALAND: Northland: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ NEW ZEALAND, ND Unuwhao, 270m, 25 Nov 1982 G. Kuschel ” “sifted litter and decayed wood 82/125”, “ N.Z. Arthropod Collection, NZAC Private Bag 92170 AUCKLAND New Zealand”, “ HOLOTYPE Sagola unuwhaoensis Park and Carlton 2013 ”.

Etymology. This species is named after the type locality, Unuwhao, Northland.

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.

Description of Male. Length 2.8 mm. Body reddish brown, antennae, elytra, legs, and maxillary palpi paler ( Fig. 25c ). Head: Transverse, widest across temples ( Fig. 25c ). Antennomeres 2–3 subquadrate, 4–6 longer than wide, 7–10 subquadrate. Eye small and prominent, one-third length of temple. Thorax: Prosternum weakly transverse, widest at midpoint. Elytra rectangular ( Fig. 25c ). Meso- and metathorax trapezoidal, as long as wide. Aedeagus: Median lobe slender, slightly shorter than parameres ( Fig. 25f ). Phallobase of median lobe asymmetrical and rounded ( Fig. 25f ). Parameres symmetrical with dense setae along midline and thick setae apically ( Fig. 25f ).

Distribution. Northland ( Fig. 26 : black square).

Habitat. The holotype and only known specimen of this species was collected by sifting leaf litter and decayed wood.

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.