Lepanus oxleyi Gunter & Weir, 2019

Gunter, Nicole L. & Weir, Thomas A., 2019, Revision of Australian species of the dung beetle genus Lepanus (Coleoptera: Scarabaeidae: Scarabaeinae): description of 10 new species from the L. australis, L. monteithi, and L. villosus species groups, Zootaxa 4695 (3), pp. 201-252 : 221

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Lepanus oxleyi Gunter & Weir

new species

Lepanus oxleyi Gunter & Weir , new species

( Figs 1G, I View FIGURE 1 ; 2F View FIGURE 2 ; 3F View FIGURE 3 ; 4F View FIGURE 4 )

Type series. Holotype: ♂ “QLD: 27.545°SX 152.709°E Pine Mtn Bush Reserve , 90m 30Apr–1May 2012, G Monteith, mushrm trap. Dense open for 35296”/ “ ANIC Database No. 25 065539”/ “ ANIC image” / “ Lepanus SQ2 det TA Weir 2012” in ANIC, (27°32’42”S, 152°42’32”E) GoogleMaps . Paratypes (13 ♂, 13 ♀, 6 sex undetermined): Pine Mountain Bush Reserve , 90 m, 27.545°S, 152.709°E, 30.iv–1.v.2012, G.B. Monteith, mushroom trap, dense open forest, 35296 (25-057572 2 specimens ♀ (1 also as COL2447), 25-057573 1 specimen ♂, 1 specimen ♀ also as COL2445 ♂, COL2446 ♀ in ANIC) (27°32’42”S, 152°42’32”E) GoogleMaps ; Woowoonga Region , Childers-Biggenden Road, [25°26’0”S, 152°7’0”E], 8.iii.1974, H. Frauca (25-059201 1 specimen sex undetermined in ANIC) GoogleMaps ; Eurimbula Creek , 5 km N Round Hill, [24°12’0”S, 151°47’0”E], 4–5.v.1975, G.B. Monteith (25-058495 3 specimens ♂, 2 specimens ♀, 4 specimens sex undetermined in QM) GoogleMaps ; Childers , 5 km NE, 40 m (25°12’14”S, 152°18’29”E), G.B. Monteith, 25– 26.iv.2007, dung trap, open forest (T 151103 –T 151104 1 specimen ♂, 1 specimen ♀ in QM) GoogleMaps ; Burnett River , Gayn- dah, 25°37’23”S, 151°36’20”E, G.B. Monteith, 8–11.x.1998, wallaby dung trap, ( T99528 View Materials T99530 View Materials 2 specimens ♂, 1 specimen ♀ in QM) GoogleMaps ; Tinnanbar , 3.3 km SW , 10 m, 25°47’7”S, 152°56’22”E, D.J. Cook, 11–12.x.2002, dung trap, scribbly gum (T 111994 ♀ in QM, T 111995 ♂ in ANIC); Gympie, 11 km ESE GoogleMaps , 100 m, 26°14’24”S, 152°45’36”E, J.F. Lawrence, 28.ii–15.vii.2002, flight intercept trap, (T 151099 –T 151102 2 specimens ♂, 2 specimens ♀ in QM) GoogleMaps ; Gympie , 11 km ESE, Lawrence property, 100 m, 26°14’24”S, 152°45’36”E, G.B. Monteith & J. Lawrence, 18.v– 12.viii.2001, open forest, flight intercept trap, (T 111999 # f in ANIC) GoogleMaps ; West End Gully , 27°29’17”S, 153°0’51”E, G.B. Monteith & R. Cassells, 11–18.i.2002, dung trap, (T 111996 –T 111998 2 specimens ♂, 1 specimen sex unde- termined in QM) GoogleMaps ; Saint Lucia Golf Course , Hand Street, 27.507°S, 152.995°E (27°30’25”S, 152°59’42”E) G.B. Monteith 13–15.iii.2009, 20 m mushroom pitfall trap, (T169418 ♂ in QM) GoogleMaps ; Department of Primary Industries Long pocket, 27.509°S, 152.993°E (27°30’36”S, 152°59’44”E), open forest, iii.2009, G.B. Monteith, 10 m, mushroom pitfall trap, (T169420 ♀ in QM) GoogleMaps ; Cainbable Lodge , 650 m, [28°8’3”S, 153°6’34”E], G.B. Monteith, 16–26.i.2007, 10 m mushroom pitfall trap, (T169419 ♀ in QM) GoogleMaps .

Description. Uniformly dark brown or almost black, and shiny. Antennal clubs grey.

Total length: 2.2–2.9 mm. Holotype measurements: Total length 2.9 mm, elytral width 1.8 mm.

Male. Head. Clypeal teeth slightly upturned. Surface with fine punctation. Basal carina present, medially interrupted. Dorsal part of the eyes narrow, separated by an interocular space approximately 19 times the eye width (38:2); eye canthus nearly dividing eye. Head 1.35 x wider than long (46:34).

Prothorax: Pronotal surface with very fine punctation anteriorly to fine punctation posteriorly. Anterior angles obtuse. Basal margin rounded. Hypomeral surface smooth. Hypomeral striae about half the length of the hypomeron. Pronotum 1.8 x wider than long (72:40).

Elytra: Surface smooth with lightly impressed, impunctate striae, striae 1–3 or 1–4 appearing double, 5–7 appearing single; intervals very finely punctate with very fine setae. Stria 2 weak basally and not extending to the base. Stria 6 extending to elytral base and stria 7 weak and not extending to elytral base, or absent. Stria 8 confined to groove posteriorly. Epipleura not reticulate, lower edge curving upwards to meet lateral carina of elytra basally. Elytra 1.1 x wider than long (87:80).

Legs: Front edge of protibiae deeply angulate.

Abdomen: Pygidium simple, very finely punctate and slightly convex. Abdominal ventrites smooth. Ventrite 6 very finely punctate.

Pterothorax: Medial lobe of metaventrite finely punctate and narrowly margined between the mesocoxae. Lateral lobe of metaventrite of punctate. Mesoventrite with small notch anteriorly. Mesoventrite and mesepimeron smooth. Metanepisternum smooth with one row of punctures medially.

Female. Abdominal ventrite 6 slightly gibbous, otherwise as per L. australis species group.

Etymology. Named for John Oxley, one of the early explorers of the region.

Distribution. Known from a variety of dense to open forests around south east Queensland, from Round Hill to Lamington National Park in the South Eastern Queensland bioregion ( Fig. 7B View FIGURE 7 ).

Comments. Most specimens have been collected in dung or mushroom baited pitfall traps and this species may also be a generalist feeder. This species has been referred to under the informal nomenclature sensu Yeates et al. 2011 as Lepanus SQ2 (Gunter et al. 2019). The specimen sequenced in that study was collected at Pine Mountain Bush Reserve in the same trap as the holotype, and is designated as a paratype here (ANIC 25-057572 also as COL2447). Lepanus oxleyi and an undescribed species in the L. parapisoniae species assemblage ( Lepanus species NT3) were resolved at the base of the clade containing all members of L. pygmaeus species group.


Australian National Insect Collection


Queensland Museum