Stenosagola fiordlandensis Park and Carlton

Park, J. - S. & Carlton, C. E., 2013, A Revision of the New Zealand GenusStenosagolaBroun, 1921 (Coleoptera: Staphylinidae: Pselaphinae: Faronitae), The Coleopterists Bulletin 67 (3), pp. 335-359 : 357-358

Stenosagola fiordlandensis Park and Carlton , new species

Type Material. Holotype. NEW ZEALAND:

FIORDLAND ( FD): ♂ (wingless male, slidemounted), “ NEW ZEALAND FD Resolution I Disappointment Cove 26 May 1982 ”, “ C.F.Butcher Sifted litter 82/61”, “Duplicate specimens in alcohol”, “ N.Z. Arthropod Collection, NZAC Private Bag 92170 AUCKLAND New Zealand”, “ HOLOTYPE Stenosagola fiordlandensis Park and Carlton des. 2013”. Paratypes (n = 4 females). NEW ZEALAND: FIORDLAND ( FD): 3♀♀ (1♀, slide-mounted), same data as holotype ( NZAC); 1♀, Resolution I, Disappointment Cove , 29 V 1982, C.F. Butcher, baited sifted litter 82/64 ( NZAC) .

Etymology. This species is named after the type locality, Fiordland (FD).

Diagnosis. Specimens of S. fiordlandensis are similar in appearance to those of other members of the connata group but can be distinguished by the shape of the male genitalia ( Fig. 12f ) and the frontal rostral lobe of female head bearing a pair of blunt processes ( Fig. 12g ).

Description. Length 1.2–1.3 mm ( Fig. 7d–e ). Head: Wingless male head approximately 1.43 times, female 1.42 times longer than wide. Wingless male eye approximately 1.50 times, female 0.53 times longer than temple. Frontal rostral lobe of female head bearing pair of blunt processes with setae present ( Fig. 12g ). Frontal fovea of female head indistinct ( Fig. 12g ). Winged male antennomeres 3 subquadrate, 4–5 longer than wide, 6–7 subquadrate, 8 slightly transverse, 9–10 transverse. Female antennomeres 3–8 subquadrate, 8 smaller than 7, 9–10 transverse. Thorax: Pronotum as long as wide. Wingless male elytra approximately 1.36 times, female 1.34 times longer than pronotum. Wingless male meso- and metaventrites trapezoidal, approximately 1.25 times, female 1.22 times longer than pronotum. Aedeagus: Median lobe long and slender ( Fig. 12f ). Parameres symmetrical, setae present anteriorly ( Fig. 12f ).

Distribution. Fiordland (FD), New Zealand ( Fig. 14 , white square).

Habitat. All specimens were collected by sifting forest litter.

Figures

Fig. 12. Stenosagola species. a) S. pseudoconnata, aedeagus, dorsal view, b) S. chandleri, aedeagus, dorsal view, c) S. nunni, aedeagus, dorsal view, d) S. newtoni, aedeagus, dorsal view, e) S. butcheri, aedeagus, dorsal view, f) S. fiordlandensis, aedeagus, dorsal view, g) S. fiordlandensis, wingless male head, dorsal view. Scale bars = 0.1 mm.

Fig. 7. Habitus of Stenosagola species, dorsal view. a) Wingless male of S. tararuaensis, b) Female of S. tararuaensis, c) Wingless male of S. haunuiensis, d) Winged male of S. pseudoconnata, e) Wingless male of S. pseudoconnata, f) Wingless male of S. chandleri, g) Female of S. chandleri, h) Winged male of S. nunni, i) Wingless male of S. nunni, j) Female of S. nunni, k) Wingless male of S. newtoni, l) Winged male of S. butcheri, m) Wingless male of S. butcheri, n) Wingless male of S. fiordlandensis, o) Female of S. fiordlandensis. Scale bars = 1 mm.

Fig. 14. Locations where Stenosagola nunni (triangles), Stenosagola newtoni (circle), Stenosagola butcheri (black squares), and Stenosagola fiordlandensis (white square) have been collected in New Zealand.