Sagola baiknami 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 : 32

Sagola baiknami Park and Carlton , new species

( Figs. 15a , 16a , 17 )

Type Material. Holotype. NEW ZEALAND: Northland: 1♂ ( NZAC), “ NEW ZEALAND: ND: Mangataipa Scen. Res., near Mangamuka Bridge , 20m, 29 xi-5 xii 1984, mixed hardwood forest, A. Newton / M. Thayer 695, berl., leaf & log litter, forest floor”, “ HOLOTYPE Sagola baiknami Park and Carlton 2013 ” . Paratypes (n = 14: 12 males; 2 females). NEW ZEALAND: Northland : 2♂♂ 1♀ (1♂ 1♀, slide-mounted; FMNH) , Mangamuka Summit, 12km nw Mangamuka , 400m, 25 XI–5 XII 1984, hdwd.- podocarp forest, A. Newton, M. Thayer 683, window trap ; 2♂♂ 1♀ ( NZAC) , Waipoua SF, 100m, 17 III 1978, S. & J. Peck, under Agathis log on bark ; 3♂♂ (

FMNH), Waipoua SF, Waipoua Stream, 16–21 III 1978, 70m, S. & J. Peck, Kauri forest , frass under bark; 3♂♂ ( NZAC) , Te Paki Trig , 23 XI 1982, G. Kuschel, sifted litter and decayed wood 82/116 ; 1♂ ( FMNH) , Waipoua SF, Wairau Summit , 40m, 27 XI–6 XII 1984, hdwd-. podocarp forest, A. Newton, M. Thayer 687, FIT & window trap ; 1♂ ( FMNH) , Waipoua SF, Kauri Ricker tr. 100m, 11–15 IV 1980, kauripodocarp-broadleaf, A. Newton, M. Thayer, pyrethrin-fogging fungusy log.

Etymology. This species is named for one of the enthusiastic supporters of this study, Baik-Nam Park. He is the first author’ s father and has provided a lifetime of support and encouragement.

Diagnosis. This species can be distinguished from the other species of the baiknami speciesgroup by the following combination of characters: larger body, length 2.9–3.1 mm; antennomeres 4–10 with tubercles; triangular head with flat ventral temporal lobe; shape of antennomeres and genitalia unique to species.

Description. Length 2.9–3.1 mm. Body brown, antennae, legs, maxillary palpi, and elytra paler ( Fig. 15a ). Head: Male head triangular, widest across temples ( Fig. 15a ), temple lobed and flat ventrally. Female head rectangular, widest across eyes. Antennomere 1 approximately 2 times longer than wide, 2 longer than wide, 3 subquadrate, 4 elongate, 5–10 subquadrate, 4–10 with tubercles. Frontal sulcus reaching midpoint of eye from frontal fovea. Anterior frontal fovea round. Posterior frontal fovea round. Eye small and prominent, one-third length of temple in male, one-fourth length of temple in female. Thorax: Prosternum as long as wide, widest at midpoint. Elytra rectangular ( Fig. 15a ). Meso- and metathorax trapezoidal, longer than wide. Hind wings well-developed. Abdomen: Tergite IV with pair of transverse patches of microtrichia reaching middle. Aedeagus: Median lobe longer than parameres, S-shaped ( Fig. 16a ). Phallobase of median lobe symmetrical and rectangular ( Fig. 16a ). Parameres asymmetrical, right paramere elongate ( Fig. 16a ).

Distribution. Northland ( Fig. 17 : black circles).

Habitat. Most specimens of this species were collected using window and flight intercept traps or by sifting leaf and log litter in kauri, broadleaf, hardwood, and podocarp forests.

Figures

Fig. 15. Habitus of Sagola species in the baiknami species-group, dorsal views. a) S. baiknami, b) S. watti,

Fig. 16. Sagola pecies in the baiknami species-group. Aedeagi, dorsal views: a) S. baiknami, b) S. watti, c) S. butcherae, d) S. taupoensis, e) S. nunni, f) S. sunsookae, g) S. choeunae. S. watti, male head: h) Dorsal surface, i) Ventral surface (arrow indicates transverse depression). Scale bars = 0.1 mm.

Fig. 17. Known collection localities of New Zealand Sagola species. S. baiknami: black circles; S. watti: triangles; S. butcherae: black square; S. taupoensis: stars.