Sagola embersoni 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 : 28-29

Sagola embersoni Park and Carlton , new species

( Figs. 11e , 12e , 13 )

Type Material. Holotype. NEW ZEALAND: Bay of Plenty: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ NEW ZEALAND, BP Orete Forest Te Puia Hut 230m NZMS 260 Y 14 484819 29.I.1993 R. M. Emberson ”, “ EAST CAPE INSECT SURVEY 1992 /3”, “ex litter from upland broadleaf/ podocarp forest LCNZ 93 /4”, “ HOLOTYPE Sagola embersoni Park and Carlton 2013 ” . Paratypes (2 males). NEW ZEALAND: Bay of Plenty : 1♂ ( NZAC) , Orete Forest , Te Puia Hut, 13 IV 1992, G. Hall, litter 92/43 ; 1♂ ( NZAC) , Motu River , V 1920, A.E. Brookes .

Etymology. This species is named for the collector of the holotype, Rowan M. Emberson.

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. L e n g t h 2.5 –2.8 m m. Body brown, antennae and maxillary palpi paler, legs and elytra yellowish brown ( Fig. 11e ). Head: As long as wide, widest across eyes ( Fig. 11e ). Antennomere 1 approximately 2 times longer than wide, 2–7 subquadrate, 8–10 weakly transverse. Frontal sulcus deep and reaching hind point of eye from frontal rostral lobes. Anterior frontal fovea an inverted triangle. Posterior frontal fovea elongate. Eye small and prominent, one-third length of temple. Thorax: Prosternum as long as wide, widest at midpoint. Elytra approximately triangular ( Fig. 11e ). Meso- and metathorax trapezoidal, longer than wide. Abdomen: Male tergite IV without microtrichial patch. Aedeagus: Median lobe shorter than right paramere, apical lobe blunt ( Fig. 12e ). Phallobase of median lobe asymmetrical and triangular ( Fig. 12e ). Parameres asymmetrical, right paramere divided, minor lobe with setae ( Fig. 12e ).

Distribution. Bay of Plenty ( Fig. 13 : white circle).

Habitat. Specimens of this species were collected by sifting leaf litter in broadleaf and podocarp forests.

Figures

Fig. 11. Habitus of Sagola species in the bifida species-group, dorsal views. a) S. bifida, b) S. latistriata, c) S. crawi, d) S. earlyi, e) S. embersoni, f) S. mayae, g) S. ranatungae, h) S. baylessae, i) S. tekoauensis, j) S. ferroi, k) S. fairburni. Scale bars = 1 mm.

Fig. 12. Sagola species in the bifida species-group. Aedeagi, dorsal views: a) S. bifida, b) S. latistriata, c) S. crawi, d) S. earlyi, e) S. embersoni, f) S. mayae, g) S. ranatungae, h) S. baylessae, i) S. tekoauensis, j) S. ferroi, k) S. fairburni. S. latistriata, male: l) Dorsal surface of head, m) Ventral surface of head (arrow indicates large depression), n) Mid-femur, lateral view (arrow indicates shallow depression), o) Mid-tibia, lateral view (arrow indicates bend). Scale bars = 0.1 mm.

Fig. 13. Known collection localities of New Zealand Sagola species. S. bifida: black circles; S. latistriata: triangles; S. crawi: black square; S. earlyi: star; S. embersoni: white circle; S. mayae: white squares.