Anabaxis, Raffray, 1908

Shen, Jia-Wei & Leschen, Richard A. B., 2018, Review and clinal variation of New Zealand Anabaxis Raffray (Coleoptera: Staphylinidae: Pselaphinae: Goniaceritae), Zootaxa 4382 (3), pp. 531-552 : 535

Key to male Anabaxis

Only males can be readily identified to species. The New Zealand species are indicated by an asterisk (*).

1 Metatibia with well-developed spine ( Fig. 7C )..................................................... A. vagus Oke

- Metatibia without spine................................................................................ 2

2 Body length more than 2.2 mm; tergite IV with deep basal impression between mediobasal fo- veae ( Fig. 7B )........................................................................................... A. quinquefoveolata Raffray

- Body length less than 2.0 mm, tergite IV with shallow basal impression between mediobasal f- oveae.................. 3

3 Discal carinae shorter than half length of tergite IV........................................................... 4

- Discal carinae as long as or longer than half length of tergite IV................................................ 5

4 Head with frontal fovea ( Fig. 7E )......................................................... A. foveolata * Broun

- Head without frontal fovea ( Fig. 7D ).......................................................... A. lunatica King

5 Elytra much wider than long ( Fig. 6D )................................................... A. inusitata Blackburn

- Elytra slightly wider than long.......................................................................... 6

6 Mesotibia with large spear-shape subapical spine ( Fig. 4D )......................................... A. brevis * Oke

- Mesotibia with small apical spine........................................................................ 7

7 Body small and weakly convex in lateral view, length no longer than 1.4 mm ( Fig. 6C )................. A. electrica King

- Body larger and more convex in lateral view, length longer than 1.7 mm ( Fig. 3A )................ A. chathamensis * sp. n.

Figures

FIGURE 3. Diagnostic features of Anabaxis brevis Oke, 1928. A) Habitus. B) Mesoventrite and mesocoxae. C) Elytra. D) Mesotibia. E) Aedeagus, in dorsal view. F) Same, in ventral view. G) Same, in lateral view. Scales: 0.15 mm, except A = 0.3 mm.

FIGURE 4. Diagnostic features of Anabaxis chathamensis sp. n. A) Habitus. B) Elytra. C) Mesoventrite and mesocoxae. D) Mesotibia. E) Aedeagus, in dorsal view. F) Same, in ventral view. G) Same, in lateral view. Scales: 0.15 mm, except A = 0.3 mm.

FIGURE 6. Primary type specimens and labels of Anabaxis Raffray, 1908. A) Lectotype, Anabaxis brevis Oke, 1928. B) Lectotype, Anabaxis foveolata Broun, 1880. C) Lectotype, Anabaxis electrica King, 1863. D) Lectotype, Anabaxis inusitata Blackburn, 1891. Scale bar: 0.3 mm.

FIGURE7. Primarytype specimens and diagnostic features of Anabaxis Raffray,1908.A) Lectotype, Anabaxis lunatica King, 1863. B)Lectotype, Anabaxis quinquefoveolataRaffray, 1900.C) Lectotype, Anabaxis vagus Oke, 1932.D) Head of Anabaxis lunatica, in dorsal view. E) Head of Anabaxis foveolata, in dorsal view.Scale bar:A, B, C = 0.3 mm, D, E = 0.15 mm.