Sagola weiri 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 : 19

Sagola weiri Park and Carlton , new species

( Figs. 3o , 4o , 7 )

Type Material. Holotype. NEW ZEALAND: Taranaki: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ New Zealand: TK: Waitaanga Forest Campsite 38°56S 174°47E, Punky wood, berlese, 11 Mar 2000 C. Carlton, A Weir, #039”, “ HOLOTYPE Sagola weiri Park and Carlton 2013 ”.

Etymology. This species is named for one of the co-collectors of the holotype, Alex Weir.

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; antennomere 4 elongate, approximately 1.5 times longer than wide; posterior frontal fovea oval; eye small, one-third length of temple; hind wings well-developed; shape of genitalia unique to species.

Description of Male. Length 3.0 mm. Body brown, elytra, legs, maxillary palpi paler ( Fig. 3o ). Head: As long as wide, widest across eyes ( Fig. 3o ). Antennomere 1 approximately 2.5 times longer than wide, 2 subquadrate, 3 longer than wide, 4 elongate, 5–6 longer than wide, 7–10 subquadrate. Frontal sulcus deep and reaching hind point of eye from end of frontal rostral lobes. Anterior frontal fovea oval, posterior frontal fovea oval. Eye small and prominent, one-third length of temple. Thorax: Prosternum as long as wide, widest at one-third length. Elytra rectangular ( Fig. 3o ). Hind wings well-developed. Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV with pair of transverse patches of microtrichia reaching middle. Aedeagus: Median lobe longer than parameres, bearing 1 branch at apex ( Fig. 4o ). Phallobase of median lobe asymmetrical and triangular ( Fig. 4o ). Left paramere divided into 2 branches from base and minor branch divided into 2 branches apically ( Fig. 4o ). Right paramere L-shaped and longer than left ( Fig. 4o ).

Distribution. Taranaki ( Fig. 7 : black square).

Habitat. Specimens of this species were collected by sifting punky wood 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. 7. Known collection localities of New Zealand Sagola species. S. waikatoensis: black circle; S. gisbornensis: triangles; S. weiri: black square; S. brookesi: star.