Sagola moehauensis 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 : 115-117

Sagola moehauensis Park and Carlton , new species

( Figs. 64a, 64c, 64e–f , 65 )

Type Material. Holotype. NEW ZEALAND: Coromandel : 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ NEW ZEALAND CL Mt Moehau 600m 16 Oct 1980 J.C. Watt Litter 80/89”, “ N.Z. Arthropod Collection, NZAC Private Bag 92170 AUCKLAND New Zealand”, “ HOLOTYPE Sagola moehauensis Park and Carlton 2013 ”. Paratypes (n = 6: 5 males; 1 female). NEW ZEALAND: Bay of Plenty: 1♂ ( AMNZ), Orete Forest , Te Puia Hut , 240m, 25 I 1993, J.W. Early, podocarp-broadleaf forest, yellow pan trap; 1♂ (slide-mounted; LUNZ), Papatea , NZMS 260 Y14 386806, 22 X 1992 – 25 I 1993, J.W. Marris, R. M. Emberson, pit trap, podocarp-broadleaf forest; 1♂ ( NZAC), Upper Kaimai , 26 XII 1943, leaf mould, A.E. Brookes collection; Coromandel : 1♂ ( AMNZ), Moehau Ra , Mist Trust main ridge, 200m, 27 VI–18 VII 1999, Y. Forbes, Kanuka-broadleaf-rata forest, malaise trap L7169; Taupo : 1♀ ( FMNH), Whirinaki Forest Park , Arohaki Lagoon tr, 500m, 38″40.82′S 176″40.032′E, 21 XI 2005, mixed broadleaf forest incl. Belischmidia tawa, FMHD#2005-024 , litter, A. Newton, M. Thayer et al., ANMT site 1147; Waikato: 1♂ ( JTN), Mahaukura tr, Mt. Pirongia, 18 XI 2005, J. Nunn .

Etymology. This species is named after the type locality, Mt. Moehau, Coromandel.

Diagnosis. This species can be distinguished from the other species of the moehauensis speciesgroup by the flat, ventrally projecting temporal lobe of the head and the genitalia being small, <0.2 mm.

Description. Length 2.5–2.7 mm. Body reddish brown, antennae, elytra, legs, and maxillary palpi paler ( Fig. 64a ). Head: Male head triangular, widest across temples ( Fig. 64f ). Ventral aspect of temple of male head projecting and flattened ( Fig. 64e : arrow). Antennomeres 2–3 subquadrate, 4–5 longer than wide, 6–10 subquadrate. Frontal sulcus reaching posterior margin of eyes. Eye small, approximately one-third length of temple. Thorax: Prosternum as long as wide, widest at one-third length. Elytra rectangular ( Fig. 64a ). Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV with pair of patches of microtrichia. Aedeagus: Male genitalia small, <0.2 mm ( Fig. 64c ). Median lobe subquadrate ( Fig. 64c ). Phallobase of median lobe symmetrical and subquadrate ( Fig. 64c ). Parameres symmetrical and shallowly divided ( Fig. 64c ).

Distribution. Bay of Plenty, Coromandel, Taupo, Waikato ( Fig. 65 : black circles).

Habitat. Specimens of this species were collected using Malaise or pitfall traps or by sifting leaf litter in broadleaf and podocarp forests.

Figures

Fig. 64. Sagola species in the moehauensis species-group. Habitus, dorsal views: a) S. moehauensis, b) S. horokakaensis. Aedeagi, dorsal views: c) S. moehauensis, d) S. horokakaensis. S. moehauensis, male head: e) Ventral surface (arrow indicates temporal lobe), f) Dorsal surface. Scale bars a–b = 1 mm, c–f = 0.1 mm.

Fig. 65. Known collection localities of New Zealand Sagola species. S. moehauensis: black circles; S. horokakaensis: triangle.