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
Author
Gunter, Nicole L.
Author
Weir, Thomas A.
text
Zootaxa
2019
2019-11-08
4695
3
201
252
journal article
24935
10.11646/zootaxa.4695.3.1
256591b2-6d7b-465d-a818-9a158017ca09
1175-5326
3532515
32E17629-F29A-47C8-ACCB-69A32C17B147
Lepanus eungella
Gunter & Weir
,
new species
(
Figs 1
A–B, 2D, 3D, 4D)
Types series
Holotype
:
♂
“
21.07S
148.30E
2km
NEbyN
Eungella
QLD
18 Nov. 1981
A.Gillison
850m
” / “Berlesate complex meso-notophyl vine forest with palms 26” / “
ANIC
Database No. 25 65541” / “
ANIC
image” / “
Lepanus
CQ3 det TA Weir 2012” in
ANIC
[21°7’0”S, 148°30’0”E]
.
Paratypes
(
5 ♂
,
6 ♀
):
15 km
NE Eungella
, [
21°2’0”S
,
148°36’0”E
],
950 m
,
18.xi.1981
,
A. Gillison
, berlesate meso-notophyll vine forest, (25-054108
2 specimens ♀
in
ANIC
)
;
Crediton Creek
,
Eungella National Park
, [
21°11’0”S
,
148°33’0”E
],
750 m
,
13.xi.1976
,
R.W. Taylor
&
T.A. Weir
,
Berlese
, rainforest, (25-054110
1 specimen ♂
in
ANIC
)
;
Eungella National Park
,
21.9°S, 148.30°E
, (
21°9’0”S, 148°30’0”E
,)
760 m
,
10.xi.1976
,
R.W. Taylor
&
T. Weir
,
Berlesate
rainforest, (25-055645
1 specimen ♂
in
ANIC
)
;
Crediton Creek
Site
1, 720 m
,
21°21’S
,
148°32’E
,
v.2003
,
J. Augusteyn
,
pitfall trap
, vine scrub, (T169038
1 specimen ♂
also as
COL
2460
in
QM
)
;
Eungella National Park
,
600 m
, site 4 rep 1,
Berlese
, rainforest,
21°3’18”S
,
148°38’10”E
,
606 m
,
18.iii.2013
,
Nakamura
&
Yoshida
, (25-063478
1 specimen ♀
in
QM
)
;
Mount William
,
1240 m
,
21°2’0’’S
,
148°36’0’’E
,
21.xii.1992
–
10.i.1993
, ANZSES
Expedition
,
flight intercept trap
(T169033
1 specimen ♂
in
QM
)
;
Mount Dalrymple
,
1200 m
,
21°3’0’’S
,
148°38’0’’E
,
21.xii.1992
–
10.i.1993
, AN- ZSES
Expedition
,
flight intercept trap
(T169034, T169035
1 specimen ♂
1 specimen ♀
in
QM
)
;
Pease’s
Lkt
Eun- gella,
900 m
,
21°7’0’’S
,
148°31’0’’E
,
17.xi.– 20.iv.1993
,
D. Cook
&
G.B. Monteith
, rainforest
intercept
&
pitfalls
(T169036, T169037
2 specimens ♀
in
QM
)
.
Description.
Holotype
uniformly dark brown almost black. Other specimens ranging from light brown to dark brown almost black. Antennal clubs grey.
Total length:
2.4 mm
.
Holotype
measurements: total length
2.4 mm
, elytral width
1.6 mm
.
Male
. Head. Surface with fine punctation. Basal carina absent. Genal angle rounded. Dorsal part of the eyes narrow, separated by an interocular space approximately 16 times the eye width (32: 2); eye canthus dividing eye. Head 1.35 x wider than long (41:30).
Prothorax: Pronotal surface with very fine punctation anteriorly to fine punctation posteriorly, all punctures round without setae. Anterior angles almost 90°. Basal angles distinct. Hypomeral surface reticulate. Hypomeral striae about half length of hypomeron, very close to lateral margin almost appearing double. Pronotum 1.7 x wider than long (66:39).
FIGURE 7
. Map of known records including predicted distribution estimated with BIOCLIM models for
A
,
Lepanus eungella
;
B
,
Lepanus oxleyi
.
QLD, Queensland.
Elytra: Surface smooth with lightly impressed and impunctate striae, stria 1 appearing double; intervals very finely punctate with very superficial setae. All striae on disc equal width. Stria 6 extending to elytral base and stria 7 not extending to elytral base. Striae 8 slightly curving inwards posteriorly. Elytra almost equal in width and length (83:80).
Legs: Front edge of protibiae truncate. Apical digit is short and triangular.
Abdomen: Pygidium simple, smooth with reticulate base, finely punctate and slightly convex. Abdominal ventrites reticulate right across. Ventrite 6 very finely punctate.
Pterothorax: Medial lobe of metaventrite very finely punctate and broadly margined between the mesocoxae. Lateral lobe of metaventrite finely punctate. Mesoventrite not notched anteriorly. Mesoventrite smooth and nitid. Mesepimeron finely reticulate. Metanepisternum reticulate.
Female
. Apical digit absent and apical spur coming from truncate front edge of protibiae. Ventrite 6 as per
L
.
australis
species group.
Etymology.
Named for the region, Eungella, from which all known specimens have been collected. This name should be treated as a noun in apposition.
Distribution.
Known only from the Central Mackay Coast bioregion (
Fig. 7A
), in rainforest and meso-notophyll vine forest around Eungella at elevations of
600–1200 m
.
Comments.
This species has been referred to under the informal nomenclature
sensu
Yeates
et al.
2011
as
Lepanus
CQ3. All specimens collected to date were from berlesed litter, pitfall and flight intercept traps.