Sagola duplicata Broun, 1886

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

Sagola duplicata Broun, 1886

( Figs. 31b, 31f , 32 )

Sagola duplicata Broun, 1886: 888 . Raffray 1893: 40, 1904: 498, 1911: 5, 1923: 233; Hudson 1923: 365, 1934: 183; Kuschel 1990: 48; Newton and Thayer 2005b; Nomura and Leschen 2006: 242.

Type Material. Holotype. NEW ZEALAND: Northland: 1♀ ( BMNH), glued on rectangular card, “Type” [red label, printed]; “1581. ♀.” [white label, handwritten]; “Parua” [white label, Printed]; “New Zealand Broun Coll. Brit. Mus. 1922–482.” [white label, printed]; “ Sagola duplicata ” [white label, handwritten].

Additional Material (n = 7: 3 males; 4 females). NEW ZEALAND: Bay of Plenty : 2♀♀ (1♀, slide-mounted), Waiaroho , 17 IX–21 X 1992, G. Hall, Malaise trap; Coromandel : 1♀, Great Barrier I, Little Windy Hill , 220m, 22 V –7 VII 2002, P. Sutton, forest edge malaise trap ; Gisborne: 1♂ , Taikawakawa , 2 II–18 III 1993, J.S. Dugdale, Malaise trap ; Marlborough Sounds : 1♂, Tennyson Inlet, east side Ducan Bay , 30m, 15 XII 1984 – 5 I 1985, podo- Nothofagus forest, A. Newton, M. Thayer 709, FIT & window trap ; Southland: 1♂ , Blue Mountains north end, 9 VIII 2003, J. Nunn, in compact moss cushion on beech bole at treeline ; Waikato: 1♀ , Kaimai Range, Matamata , 1520′, 1 III 1948, A.E. Brookes .

Diagnosis. This species can be distinguished from the other species of this species-group by the following combination of characters: body length 2.7–2.9 mm; ventral surface of male head convex; eye large and prominent, as long as temple; longer antennomeres 4–7; shape of antennomeres and genitalia unique to species.

Redescription. Length 2.7–2.9 mm. Body reddish brown, antenna, elytra, legs, and maxillary palpi paler ( Fig. 31b ). Head: Male head round, widest across eyes ( Fig. 31b ), convex ventrally. Male antennomere 1 approximately 1.5 times longer than wide, 2 subquadrate, 3 longer than wide, 4–7 elongate, 8–9 longer than wide, 10 subquadrate. Female antennomeres 2–3 subquadrate, 4 elongate, 5–6 longer than wide, 7–10 subquadrate. Frontal sulcus deep, reaching midpoint of eye. Anterior frontal fovea oval, posterior frontal fovea elongate. Eye large and prominent, as long as temple, female slightly smaller. Thorax: Prosternum as long as wide, widest at one-third. Elytra rectangular ( Fig. 31b ). Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV with pair of oval or transverse patches of microtrichia. Aedeagus: Median lobe elongate triangular, as long as parameres, apical lobe with weak tubercles ( Fig. 31f ). Phallobase of median lobe symmetrical and rounded ( Fig. 31f ). Parameres symmetrical, broad with setae apically ( Fig. 31f ).

Type Locality. Parua , near Whangarei Harbour, Northland, New Zealand .

Distribution. Bay of Plenty, Coromandel, Gisborne, Marlborough Sounds, Northland, Southland, Waikato ( Fig. 32 : triangles).

Habitat. Specimens of this species were collected using Malaise traps.

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.