Sagola bifida Broun, 1915

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 : 25

Sagola bifida Broun, 1915

( Figs. 11a , 12a , 13 )

Sagola bifida Broun, 1915: 290 . Hudson 1923: 365, 1934: 184; Newton and Thayer 2005b; Nomura and Leschen 2006: 241.

Type Material. Holotype. NEW ZEALAND: Auckland: 1♀ ( BMNH), glued on rectangular card, “Type” [red label, printed]; “3706. ♂.” [white label, handwritten]; “New Zealand Broun Coll. Brit. Mus. 1922–482.” [white label, printed]; “Woodhill Waikakerei.” [white label, printed]; “ Sagola bifida . ♂.” [white label, handwritten]. The original label indicates this specimen is a male, but it is a female.

Additional Material (4 males). N E W ZEALAND: Auckland: 2♂♂, Mt. Auckland, Atuanui Scenic Reserve, 250m, 2.5km NE Glorit, 2 II 2010, D.S. Chandler, sift Nikau palm litter; 1♂, Waitakere Ranges Pk. , Upper Huia Reser. Tr. , 28 II 2010, 4.3km SW Waiatarua, 277m, D.S. Chandler, sift leaf litter at base of Cyathea ; 1♂, Ahuroa , 240m, nr Woodcocks, 5 I 1983, J.C. Watt, litter 83/6 .

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.

Redescription. Length 2.6–3.2 mm. Body brown, antennae, legs,and maxillary palpi paler, elytra yellowish brown ( Fig. 11a ). Head: As long as wide, widest across eyes ( Fig. 11a ). Antennomere 1 approximately 2 times longer than wide, 2–4 longer than wide, 5–8 subquadrate, 9–10 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. 11a ). Meso- and metathorax trapezoidal, longer than wide. Abdomen: Male tergite IV without microtrichial patch. Aedeagus: Median lobe shorter than parameres, apical lobe simple ( Fig. 12a ). Phallobase of median lobe asymmetrical and triangular ( Fig. 12a ). Parameres asymmetrical, right paramere twisted ( Fig. 12a ).

Type Locality. Woodhill , Kaipara Railway, Auckland, New Zealand .

Distribution. Auckland ( Fig. 13 : black circles).

Habitat. Specimens of this species were collected by sifting leaf and nikau palm tree litter.

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.