Anaxius Fahraeus 1870
Creators: name: Kamiński, Marcin J.
name: Schoeman, Colin S.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Tenebrionidae
Anaxius

description: Key to the species of the genus Anaxius (males only).
1. Intercoxal process of prosternum strongly depressed in apical part (lateral view). Elytron with setation composed of short, yellowish bristles and elongate black stiff setae (Fig. 1C, F). Protarsus slightly dilated (Fig. 1F). Metafemora with small denticles (Fig. 2D)............................................................................................ 2
-. Intercoxal process of prosternum straight or slightly depressed in apical part (lateral view). Elytron bare or with inconspicuous bristles (Fig. 1A, B, D–G). Protarsus distinctly dilated (at least basal tarsomere) (Fig. 1A). Metafemora not covered with small denticles............................................................................................. 3 bristles in apical part (Fig. 1B). Inner side of mesofemora with preapical denticle (Fig. 1F).................... prozeskyi -. Mesotibia evenly curved (Fig. 1C). Underside of profemora not covered with bristles. Inner side of mesofemora without preapical denticle (Fig. 1C).................................................................... limpopoensis
2. Mesotibia flattened apically, with rounded protuberance present medially (Fig. 2C). Underside of profemora with fringe of
3. Elytron covered with small, shiny, tubercles (Fig. 1A, 2E). Only basal tarsomere of protarsus widened, remaining tarsomeres extremely narrow (Fig. 1A). Mesotarsus with apical tarsomere widened (Fig. 2F). Mesotiba flattened laterally (Fig. 2F)............................................................................................... bloubergensis
-. Elytron covered with punctures. Basal tarsomere of protarsi widened, with subsequent tarsomeres slightly narrower (Fig. 1E). Mesotarsus with relatively narrow first tarsomere. Mesotibia not flattened laterally.................................. 4
4. Protibia with deep median cavity (Fig. 2G). Metatibia bent inwards (Fig. 1D, E).................................... 5
-. Protibia without or with shallow median cavity. Metatibia not bent inwards........................................ 6
5. Meso- and metafemora simple. Metatibia bent more medially (Fig. 1D).................................. meletsensis
-. Mesofemora with preapical denticle (Fig. 1E). Metafemora with fringe of bristles on underside. Metatibia bent more basally (Fig. 1E)....................................................................................... obesus
6. Body size = 6.5–7.0. Mesofemora with preapical denticle (Fig. 1B). Aedeagal tegmen narrowed periapically (Fig. 3B)................................................................................................. campbellae
-. Body size ca. 4.5. Mesofemora simple. Aedeagal tegmen evenly narrowed towards apex (Fig. 3E).......... pseudoloensus
description: Published as part of Kamiński, Marcin J. & Schoeman, Colin S., 2018, Taxonomic revision of a darkling beetles genus Anaxius (Tenebrionidae: Pedinini: Helopinina), pp. 471-485 in Zootaxa 4455 (3) on pages 472-473, DOI: 10.11646/zootaxa.4455.3.4, http://zenodo.org/record/1457467