Sagola townsendi 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 : 81-82

Sagola townsendi Park and Carlton , new species

( Figs. 45c, 45i , 46 )

Type Material. Holotype. NEW ZEALAND: South Canterbury: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ New Zealand: SC: Mt. Dalgety, 1737m 19 I 1966, G.W. Ramsay J.I. Townsend, moss 66/36”, “ HOLOTYPE Sagola townsendi Park and Carlton 2013 ”.

Etymology. This species is named for one of the collectors of the holotype, James I. Townsend.

Diagnosis. This species can be distinguished from the other species of the anisarthra species-group by the following combination of characters: body length 2.8 mm; antennomeres 4–11 bearing tubercles; frontal sulcus shallow, reaching midpoint of eye; anterior frontal fovea round partially covered by frontal rostrum, posterior frontal fovea oval; eye large and prominent, one-half length of temple; shape of antennomeres and genitalia unique to species.

Description of Male. Length 2.8 mm. Body reddish brown and antenna, elytra, legs, and maxillary palpi paler ( Fig. 45c ). Head: Round, widest across eyes ( Fig. 45c ). Antennomere 1 approximately 2 times longer than wide, 2–10 subquadrate, 4–11 bearing tubercles. Frontal sulcus shallow, reaching midpoint of eye. Anterior frontal fovea round, partially covered by frontal rostrum, posterior frontal fovea oval. Eye large and prominent, one-half length of temple. Thorax: Prosternum as long as wide, widest at one-third. Elytra rectangular ( Fig. 45c ). Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV with pair of oval or transverse weak patches of microtrichia. Aedeagus: Median lobe broad with triangular apical lobe ( Fig. 45i ). Phallobase of median lobe symmetrical and rounded ( Fig. 45i ). Parameres symmetrical and long with setae apically ( Fig. 45i ).

Distribution. South Canterbury ( Fig. 46 : black square).

Habitat. The holotype was collected in moss.

Figures

Fig. 45. Sagola species in the anisarthra species-group. Habitus, dorsal views: a) S. anisarthra, b) S. planipennis, c) S. townsendi, d) S. wairarapaensis, e) S. clarkei. Aedeagi, dorsal views: f) S. anisarthra, g) S. planipennis, h) S. planipennis, lateral view, i) S. townsendi, j) S. wairarapaensis, k) S. clarkei. S. anisarthra, male head: l) Dorsal surface, m) Ventral surface. Scale bars a–e = 1 mm, f–m = 0.1 mm.

Fig. 46. Known collection localities of New Zealand Sagola species. S. anisarthra: black circles; S. planipennis: triangles; S. townsendi: black square; S. wairarapaensis: star; S. clarkei: white circles.