Sagola lewisensis 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 : 94

Sagola lewisensis Park and Carlton , new species

( Figs. 52f, 52l–m , 53 )

Type Material. Holotype. NEW ZEALAND: Buller: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ NEW ZEALAND: BR: Lewis, Pass Nat. Res., 11.9km ese Springs Junction, 540m, 17 XII 84 - 21 I 85, Nothofagus spp. forest, A. Newton/M. Thayer 715, window trap”, “HOLOTYPE Sagola lewisensis Park and Carlton 2013 ”. Paratypes (2 males). NEW ZEALAND: Buller: 1♂ (slide-mounted; NZAC), same data as holotype; Nelson: 1♂ ( FMNH), Kahurangi NP, Cobb Ridge, above Cobb Reservoir, 1050m, 41″06.351′S, 172″41.658′E, 29 XI–18 XII 2005, Nothofagus menziesii & N. solandri cliffortioides forest, FMHD #2005-051, FIT, A. Newton, M. Thayer, A. Solodovnikov, ANMT site 1159.

Etymology. This species is named after the type locality, Lewis Pass, Buller.

Diagnosis. This species can be distinguished from the other species of the furcata speciesgroup by the following combination of characters: antennomeres 4–7 subquadrate; frontal sulcus inverted V-shaped; eye prominent, as long as temple; male abdominal ventrites V–VI roundly flattened roundly and surrounded by dense setae; shape of genitalia unique to species.

Description of Male. Length 1.8–2.1 mm. Body reddish brown, antennae, legs, maxillary palpi, and elytra paler ( Fig. 52f ). Head: Bluntly triangular, widest across eyes ( Fig. 52f ). Ventral surface of male head with inverted triangular process bearing dense setae behind mouthparts. Antennomere 1 approximately 1.5 times longer than wide, 2–10 subquadrate. Frontal sulcus inverted V-shaped. Anterior frontal fovea rectangular, covered by frontal rostrum, posterior frontal fovea absent. Eye prominent, approximately as long as temple. Thorax: Prosternum as long as wide, widest at midpoint. Elytra rectangular ( Fig. 52f ). Meso-and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV with pair of transverse patches of microtrichia reaching middle. Male abdominal ventrites V–VI roundly flattened on middle, with dense setae. Aedeagus: Median lobe of genitalia weakly curved vertically and long with blunt apical lobe ( Fig. 52l–m ). Phallobase of median lobe symmetrical and rounded ( Fig. 52l–m ). Parameres symmetrical and as long as median lobe, with setae apically ( Fig. 52l–m ).

Distribution. Buller, Nelson ( Fig. 53 : white squares).

Habitat. Specimens of this species were collected using flight intercept or window traps in Nothofagus forests.

Figures

Fig. 52. Sagola species in the furcata species-group. Habitus, dorsal views: a) S. furcata, b) S. punctulata, c) S. pecki, d) S. muirae, e) S. ignota, f) S. lewisensis. Aedeagi, dorsal views: g) S. furcata, h) S. punctulata, i) S. pecki, j) S. muirae, k) S. ignota, l) S. lewisensis. m) S. lewisensis, aedeagus, lateral view, n) S. ignota, antenna. S. punctulata, male head: o) Dorsal surface (arrow indicates inverted Y-shaped frontal sulcus), p) Ventral surface. S. ignota, male head: q) Dorsal surface (arrow indicates inverted V-shaped frontal sulcus), r) Ventral surface. Scale bars a–f = 1 mm, g–r = 0.1 mm.

Fig. 53. Known collection localities of New Zealand Sagola species. S. furcata: black circles; S. punctulata: triangles; S. pecki: black square; S. muirae: stars; S. ignota: white circles; S. lewisensis: white squares.