Lepanus mckenziei Gunter & Weir, 2019

Gunter, Nicole L. & Weir, Thomas A., 2019, Revision of Australian species of the dung beetle genus Lepanus (Coleoptera: Scarabaeidae: Scarabaeinae): key to species groups and description of 14 new species from the L. pygmaeus species group, Zootaxa 4564 (1), pp. 41-80 : 69-70

publication ID

https://doi.org/10.11646/zootaxa.4564.1.2

publication LSID

lsid:zoobank.org:pub:27F70B5F-24DD-4C9E-BBA7-2B87476BD49C

DOI

https://doi.org/10.5281/zenodo.5922820

persistent identifier

https://treatment.plazi.org/id/509AB2C7-BA25-45FA-8763-C6DA57556368

taxon LSID

lsid:zoobank.org:act:509AB2C7-BA25-45FA-8763-C6DA57556368

treatment provided by

Plazi

scientific name

Lepanus mckenziei Gunter & Weir
status

new species

Lepanus mckenziei Gunter & Weir , new species

( Figs. 6B View FIGURE 6 , 8H View FIGURE 8 , 11C View FIGURE 11 , 14 View FIGURE 14 )

Type series. Holotype: GoogleMaps ♂ “ 15.25S 124.38E, CALM Site   GoogleMaps 26/1, Augustus Island, Jan 1989, N. McKenzie ” [15°25'S, 124°38'E] /“ Berlesate, ANIC 1270 View Materials , closed forest litter” / “ ANIC Database No. 25- 060386 ” / “ Lepanus WA4 det. T.A.Weir 2011 ” / “ ANIC Image” in WAM. Paratype: CALM Site 10/4, Carson Escarpment, 11 km ESE Theda Homestead, [14°51'S, 126°29'E], i.1989, N. McKenzie (25- 060387 x1 ♀ in GoogleMaps ANIC).

Description. Uniform brown in colour. Antennal clubs yellow.

Total length: 1.8–2.0 mm. Holotype measurements: Total length 1.8 mm, elytral width 1.3 mm.

Male: Head: U-shaped between clypeal teeth, which are short and slightly upturned. Basal carina present but interrupted medially. Margin not angulate at clypeogenal suture. Genal angle weakly defined. Dorsal part of eyes narrow in size, separated by interocular space approximately 13 times eye width (26:2); eye canthus nearly dividing eye. Head 1.3 × wider than long (34:26).

Prothorax: Hypomeral surface finely reticulate with light punctation. Basal margin rounded. Hypomeral striae long. Pronotum 1.65 × wider than long (54:33).

Elytra: Surface smooth. Striae 1–5 narrow and double, with very fine punctate edges; striae 6-7 appearing single. All striae on disc equal width. Elytra 1.05 × wider than long (64:60). Elytral flange and groove narrow.

Legs: Front edge of protibiae deeply angulate; apical digit somewhat elongate and sharp; 2 teeth on outer edge. Inner edge of metatibiae almost straight. Metatarsi with 2nd tarsomere subequal to the 5th. Tarsal claws minute, appearing simple.

Abdomen: Pygidium with an almost ovoid depression containing a tubercle that is slightly horizontal positioned in upper third; tip of tubercle darker. Upper edge of pygidium concave. Depression occupies more than half of disc and extends under upper edge. Surface slightly reticulate. Abdominal ventrites finely reticulate right across. Segment 6 punctate.

Pterothorax: Medial lobe of metaventrite finely punctate and broadly margined between mesocoxae. Lateral lobe of metaventrite smooth and punctate with setae. Meso-metaventral suture very slightly arched. Mesoventrite and mesepimeron smooth. Metanepisternum reticulate.

Female: As per the L. pygmaeus species group.

Etymology. Named for Norm McKenzie, who organized the 1988–1989 CALM survey of the Kimberley rainforests and who collected the only known specimens.

Distribution. Known from only two specimens from the NOK bioregion ( Fig. 14 View FIGURE 14 ). Limited sampling has been conducted in the Kimberley.

Comments. This species has previously been referred to as “ Lepanus WA4” under the informal nomenclature sensu Yeates et al. (2011). Both known specimens were collected from berlesed, closed-forest litter and the only known male specimen is teneral.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Scarabaeidae

Genus

Lepanus