Stenosagola butcheri 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 : 356-357

Stenosagola butcheri Park and Carlton , new species

Type Material. Holotype. NEW ZEALAND: WAIKATO ( WO): 1♂ (winged male), “ NEW ZEALAND WO Mt Karioi 11 Oct 1981 C.F. Butcher Litter 81/95”, “ N.Z. Arthropod Collection, NZAC Private Bag 92170 AUCKLAND New Zealand”, “ HOLOTYPE Stenosagola butcheri Park and Carlton des. 2013” . Paratypes (n = 2 males). NEW ZEALAND: AUCKLAND (AK): 1♂ (slide-mounted), Clevedon Scenic Reser. 0.5km N Clevedon, 20m, III-19-2010 D.S. Chandler, sift forest litter by stream ( DSC) ; NORTHLAND (ND): 1♂ (slide-mounted), Mangamuka summit, 400m, 15 XII 1976, N.M. May, litter 76/108 ( NZAC) .

Etymology. This species is named for the collector of the holotype, C. F. Butcher.

Diagnosis. Specimens of S. butcheri 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. 12e ).

Description. Length 1.2–1.3 mm ( Fig. 7l–m ). Head: Winged male head approximately 1.52 times, wingless male 1.50 times longer than wide. Winged male eye approximately 1.59 times, wingless male 0.9 times longer than temple. Winged male antennomeres 3–8 subquadrate, 9–10 transverse. Wingless male antennomeres 3–7 subquadrate, 8 slightly transverse, 9–10 transverse. Thorax: Pronotum as long as wide. Winged male elytra approximately 1.89, wingless male 1.29 times longer than pronotum. Winged male meso- and metaventrites trapezoidal, approximately1.65 times, wingless male 1.19 times longer than pronotum. Aedeagus: Apical lobe of male genitalia emarginate and bent to right ( Fig. 12e ). Left paramere longer than right, bearing setae apically ( Fig. 12e ).

Distribution. Northern part of North Island, New Zealand ( Fig. 14 , black squares).

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.