Sagola hunuaensis 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 : 17

Sagola hunuaensis Park and Carlton , new species

( Figs. 3l , 4l , 6 )

Type Material. Holotype. NEW ZEALAND: Auckland: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ New Zealand: AK: Hunua Ra., Kohukohunui, 550m, 30III1974 G. Kuschel, litter 74/19”, “ HOLOTYPE Sagola hunuaensis Park and Carlton 2013 ” . Paratype (1 female). NEW ZEALAND: Auckland : 1♀ ( NZAC), same data as holotype .

Etymology. This species is named after the type locality, Hunua, Auckland.

Diagnosis. This species can be distinguished from the other species of the hirtalis speciesgroup by the following combination of characters: antennomere 1 elongate, approximately 2.5 times longer than wide; posterior frontal fovea elongate; eye small, one-third length of temple; hind wings reduced to small pads; shape of genitalia unique to species.

Description. Length 2.5–2.9 mm. Body brown, elytra, legs, and maxillary palpi yellowish brown ( Fig. 3l ). Head: As long as wide, widest across eyes ( Fig. 3l ). Antennomere 1 approximately 2.5 times longer than wide, 2–3 subquadrate, 4–5 longer than wide, 6–10 subquadrate. Frontal sulcus deep and reaching behind eye from end of frontal rostral lobes. Anterior frontal fovea round, posterior frontal fovea elongate. Eye small and prominent, one-third length of temple. Thorax: Prosternum as long as wide, widest at onethird length. Elytra rectangular ( Fig. 3l ). Hind wings absent. Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV without microtrichia. Aedeagus: Median lobe longer than parameres, apical lobe bird-head-shaped ( Fig. 4l ). Phallobase of median lobe asymmetrical and triangular ( Fig. 4l ). Left paramere elongate and right paramere short and rounded ( Fig. 4l ).

Distribution. Auckland ( Fig. 6 : white square).

Habitat. Specimens of this species were collected by sifting leaf litter.

Figures

Fig. 3. Habitus of Sagola species in the hirtalis species-group, dorsal views. a) Sagola hirtalis, b) S. terricola, c) S. convexa, d) S. coromandelensis, e) S. northlandensis, f) S. taranakiensis, g) S. kuscheli, h) S. newtoni, i) S. thorpei, j) S. dugdalei, k) S. thayerae, l) S. hunuaensis, m) S. waikatoensis, n) S. gisbornensis, o) S. weiri, p) S. brookesi. Scale bars = 1 mm.

Fig. 4. Sagola species in the hirtalis species-group. Aedeagi, dorsal view: a) S. hirtalis, b) S. terricola, c) S. convexa, d) S. coromandelensis, e) S. northlandensis, f) S. taranakiensis, g) S. kuscheli, h) S. newtoni, i) S. thorpei, j) S. dugdalei, k) S. thayerae, l) S. hunuaensis, m) S. waikatoensis, n) S. gisbornensis, o) S. weiri, p) S. brookesi. S. hirtalis: q) Antenna, r) Head, dorsal view, s) Head, ventral view (arrow indicates transverse depression). S. terricola: t) Meso- and metaventrite, u) Male fore femur (arrow indicates semicircular depression). Scale bars = 0.1 mm.

Fig. 6. Known collection localities of New Zealand Sagola species. S. kuscheli: black circle; S. newtoni: triangles; S. thorpei: black squares; S. dugdalei: star; S. thayerae: white circle; S. hunuaensis: white square.