Sagola marlboroughensis 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 : 58-59

Sagola marlboroughensis Park and Carlton , new species

( Figs. 31c, 31g , 32 )

Type Material. Holotype. NEW ZEALAND: Marlborough: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ New Zealand: MB: Richmond Ra, 1600m Johnson Pk. , 13 III 1969 J.S. Dugdale, swards 69/96”, “ HOLOTYPE Sagola marlboroughensis Park and Carlton 2013 ”.

Etymology. The species name is based on the biotic region of the holotype, Marlborough.

Diagnosis. This species can be distinguished from the other species of this species-group by the following combination of characters: body length 2.4 mm; ventral surface of male head transversely convex with setose gular region; eye large and prominent, approximately one-half length of temple; shape of antennomeres and genitalia unique to species.

Description of Male. Length 2.4 mm. Body reddish brown, antennae, elytra, legs, and maxillary palpi paler ( Fig. 31c ). Head: As long as wide, widest across eyes ( Fig. 31c ), ventrally transversely convex with setose gular region. Antennomere 1 approximately 2 times longer than wide with dull surface, 2 longer than wide, 3 subquadrate, 4–5 longer than wide, 6–10 subquadrate. Frontal sulcus deep, reaching hind point of eye. Anterior frontal fovea oval, posterior frontal fovea elongate. Eye large, approximately one-half length of temple. Thorax: Prosternum longer than wide, widest at one-third length. Elytra rectangular ( Fig. 31c ). Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV with pair of transverse patches of microtrichia. Aedeagus: Median lobe divided, major apical lobe broader ( Fig. 31g ). Phallobase of median lobe symmetrical and rounded ( Fig. 31g ). Parameres symmetrical, broad with setae from apex to midpoint ( Fig. 31g ).

Distribution. Marlborough ( Fig. 32 : black square).

Habitat. The holotype of this species was collected in a sward (grassy meadow).

Figures

Fig. 31. Sagola species in the rustica species-group. Habitus, dorsal views: a) S. rustica, b) S. duplicata, c) S. marlboroughensis, d) S. walkerae. Aedeagi, dorsal views: e) S. rustica, f) S. duplicata, g) S. marlboroughensis, h) S. walkerae. S. walkerae, male: i) Antenna, j) Dorsal surface of head. Scale bars a–d = 1 mm, e–j = 0.1 mm.

Fig. 32. Known collection localities of New Zealand Sagola species. S. rustica: black circle; S. duplicata: triangles; S. marlboroughensis: black square; S. walkerae: stars.