Sagola kahurangiensis 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 : 85-86

Sagola kahurangiensis Park and Carlton , new species

( Figs. 47c, 47h , 48 )

Type Material. Holotype. NEW ZEALAND: Nelson: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ NEW ZEALAND: NN: Kahurangi N.P., track Mt. Arthur Hut to Mt. Arthur Summit , 1550m, 41″13′S, 172″42′E, 19 xii 2005, subalpine area; FMHD#2005-115 , berl., sifted tussocks, speargrass & daisy litter, A. Solodovnikov & D. Clarke; ANMT site 1182”, “ HOLOTYPE Sagola kahurangiensis Park and Carlton 2013 ” . Paratype (1 male). NEW ZEALAND: Nelson : 1♂ ( FMNH), same data as holotype ( FMNH) .

Etymology. This species is named after the type locality, Kahurnagi National Park, Nelson.

Diagnosis. This species can be distinguished from the other species of the socia species-group by the following combination of characters: larger body, length 2.5–2.6 mm; male antennomere 7 enlarged, as long as wide; eye prominent, onethird length of temple; male hind wings reduced to small pads; shape of genitalia unique to species.

Description of Male. L e n g t h 2.5– 2.6 m m. Body reddish brown, antennae, elytra, legs, and maxillary palpi paler ( Fig. 47c ). Head: Head round, widest across eyes ( Fig. 47c ). Antennomere 1 approximately 1.5 times longer than wide, 2 longer than wide, 3–10 subquadrate, 7 enlarged, 4–11 bearing tubercles. Frontal sulcus deep, reaching posterior end of eye. Anterior frontal fovea oval, partially covered by frontal rostrum, posterior frontal fovea oval. Eye prominent, approximately one-third length of temple. Thorax: Prosternum as long as wide, widest at midpoint. Elytra rectangular ( Fig. 47c ). Hind wings reduced to small pads. Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV without patches of microtrichia. Aedeagus: Median lobe divided vertically, major lobe narrower than minor lobe ( Fig. 47h ). Phallobase of median lobe symmetrical and rounded ( Fig. 47h ). Parameres symmetrical with setae apically to middle ( Fig. 47h ).

Distribution. Nelson ( Fig. 48 : black square).

Habitat. Specimens of this species were collected by sifting tussocks, speargrass, and daisy litter in subalpine areas.

Figures

Fig. 47. Sagola species in the socia species-group. Habitus, dorsal views: a) S. socia, b) S. solodovnikovi, c) S. kahurangiensis, d) S. bullerensis, e) S. canterburyensis. Aedeagi, dorsal views: f) S. socia, g) S. solodovnikovi, h) S. kahurangiensis, i) S. bullerensis, j) S. canterburyensis. k) S. socia, dorsal surface of male head. Scale bars a–e = 1 mm, f–k = 0.1 mm.

Fig. 48. Known collection localities of New Zealand Sagola species. S. socia: black circles; S. solodovnikovi: triangles; S. kahurangiensis: black square; S. bullerensis: star; S. canterburyensis: white circle.