Three new Madagascan species of Ochodaeus Dejean (Coleoptera: Scarabaeoidea: Ochodaeidae)
Author
Paulsen, M. J.
Systematic Research Collections University of Nebraska State Museum W 436 Nebraska Hall Lincoln, NE 68588 - 0546
text
Insecta Mundi
2019
2019-01-18
2019
684
1
14
journal article
28504
10.5281/zenodo.2579565
2ffd1299-7a53-4ce9-868c-64e82f6fc053
1942-1354
2579565
urn:lsid:zoobank.org:pub:600D70CF-9674-44C6-87FF-DE1B0D2CAA4D
Ochodaeus modopunctatus
Paulsen
,
new species
Type material.
Holotype
male (CASC;
Fig. 1
), labeled: a) “
MADAGASCAR
:
Province
/ d’Antsiranana,
Parc National
/
Montagne
d’Ambre / el
1050 m
,
25–29 Jan 2001
”; b) “
12° 31′ 13″ S
,
49° 10′ 45″ E
/
California Acad of Sciences
/
M.E. Irwin
,
E.I. Schlinger
/ & R. Harin’Hala collectors /
malaise trap
MA-01-01C-02”; c) “CASENT / 8006869”; d) red paper “
Ochodaeus
/
modopunctatus
n. sp.
/
M.J. Paulsen
det.”.
Paratype
male (MJPC) labeled a–b as
holotype
; c) “CASENT / 8006868”. One
paratype
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Parc National / Montagne d’Ambre, / elev
960 m
26–29 Jan 2001
”; b) “
12° 30′ 52″ S
,
49° 10′ 53″ E
/
California Acad. of Sciences
/
M.E. Irwin
,
E.I. Schlinger
/ & R. Harin’Hala collectors, /
malaise trap
MA-01-01A-02”; c) “CASENT / 8011532”. Two
paratypes
labeled: a) “
MADAGASCAR
: Diego- /
Suarez Prov.
, Parc National / Montagne d’Ambre, / elev
960 m
/
26–29.i.2001
” malaise”; b) “
12° 30′ 52″ S
,
49° 10′ 53″ E
/
M.E. Irwin
,
E.I. Schlinger
/ & R. Harin’Hala MA-01-01A-02 / Calif. Acad. Sci. Collection”; c) “CASENT / #” (# = 8000057 or 8000058 [
♂
]). Two
paratypes
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Parc National / Montagne d’Ambre, / elev
960 m
,
29 January 2001
”; b) “
12° 30′ 52″ S
,
49° 10′ 53″ E
/
California Acad. of Sciences
/
M.E. Irwin
collector, netted / by hand MA-01-01A-05”; c) “CASENT / #” (# = 8011551 [
♀
] or 8011561). Three
paratypes
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Parc National / Montagne d’Ambre, / elev
960 m
4–19 Mar 2001
”; b) “
12° 30′ 52″ S
,
49° 10′ 53″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala, /
malaise trap
MA-01-01A-08”; c) “CASENT / #” (# = 8016282, 8016293, or 8016298). Four
paratypes
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Parc National / Montagne d’Ambre, / elev
960 m
5–21 April 2001
”; b) “
12° 30′ 52″ S
,
49° 10′ 53″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala, /
malaise trap
MA-01-01A-10”; c) “CASENT / #” (# = 8013900, 8013903, 8013914, or 8013922 [
♀
]). One
paratype
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Parc National / Montagne d’Ambre / elev
975 m
21–25 Jan 2001
”; b) “
12° 31′ S
,
49° 11′ E
/
California Acad. of Sciences
/
M.E. Irwin
,
E.I. Schlinger
/ & R. Harin’Hala collectors /
malaise trap
MA-01-01B-01”; c) “CASENT / 8000118”. One female
paratype
labeled: a) “
MADAGASCAR
: Province / Diego-Suarez, Parc National / Montagne d’Ambre
975 m
”; b) “
25 Jan to 11 Feb 2001
/
12° 31′ S
,
49° 11′ E
/
California Acad. of Sciences
/
M.E. Irwin
,
E.I. Schlinger
/ & R. Harin’Hala collectors /
malaise trap
MA-01-01B-04”; c) “CASENT / 8032442”. One
paratype
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Parc National / Montagne d’Ambre
975 m
4–19 Mar 2001
”; b) “
12° 31′ S
,
49° 11′ E
/
California Acad. of Sciences
/
M.E. Irwin
,
E.I. Schlinger
/ & R. Harin’Hala collectors /
malaise trap
MA-01-01B-06”; c) “CASENT / 8013823”. One
paratype
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Sakalava / Beach, dwarf littoral forest / elev
10 m
,
6–20 Mar 2001
”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA-01-04B-04”; c) “CASENT / 8011513”. Two
paratypes
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Sakalava / Beach, dwarf littoral forest / elev
10 m
, 20 Mar–
7 April 2001
”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA-01-04B-05”; c) “CASENT / #” (# = 8011542 [
♂
] or 8011544). One female
paratype
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Sakalava / Beach, dwarf littoral forest / elev
10 m
, 27 April–2001”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA-01-04B-08”; c) “CASENT / 8013984”. One
paratype
labeled: a) “
MADAGASCAR
: Province / Diego-Suarez, Sakalava / Beach, dwarf littoral forest / elev
10 m
, 20 Mar–
7 April 2001
”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA-01-04B-09”; c) “CASENT / 8014033”. One
paratype
labeled: a) “
MADAGASCAR
: Province / Diego-Suarez, Sakalava / Beach, dwarf littoral forest / elev
10 m
,
16–31 May 2001
”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA-01-04B-10”; c) “CASENT / 8014100”. One female
paratype
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Sakalava / Beach, dwarf littoral forest / elev
10 m
,
7–25 May 2001
”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA-01-04B-12”; c) “CASENT / 8016232”. Two
paratypes
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Sakalava / Beach, dwarf littoral forest / elev
10 m
, 25 June–
6 July 2001
”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA-01-04B-13”; c) “CASENT / #” (# = 8013588 [
♀
] or 8013595). One male
paratype
labeled: a) “
MADAGASCAR
: Province / Diego-Suarez, Sakalava / Beach, dwarf littoral forest / elev
10 m
, 28 July–
6 August 2001
”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA- 01-04B-16”; c) “CASENT / 8032553˝. One
paratype
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Sakalava / Beach, dwarf littoral forest / elev
10 m
,
13–20 August 2001
”; b) “
12° 15′ 46″ S
,
49° 23′ 51″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
- across sandy / trail MA- 01-04B-17”; c) “CASENT / 8025601”. One
paratype
labeled: a) “
MADAGASCAR
: Province / d’Antsiranana, Parc National / Montagne d’Ambre
1125 m
/
29 Jan to 11 Feb 2001
”; b) “
12° 31′ 13″ S
,
49° 10′ 45″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
MA-01-01D-03”; c) “CASENT / 8016175”. One
paratype
labeled: a) “
MADAGASCAR
: Province / Diego-Suarez, Parc National / Montagne d’Ambre
1125 m
/
11 Feb to 4 March 2001
”; b) “
12° 31′ 13″ S
,
49° 10′ 45″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
MA-01-01D-04”; c) “CASENT / 8014060”. Three
paratypes
labeled: a) “
MADAGASCAR
: Province / Diego-Suarez, Parc National / Montagne d’Ambre
1125 m
/
19 March to 5 April 2001
”; b) “
12° 31′ 13″ S
,
49° 10′ 45″ E
/
California Acad. of Sciences
/ Coll:
M. Irwin
, R. Harin’Hala /
malaise trap
MA-01-01D-06”; c) “CASENT / #” (# = 8014203, 8014204 [
♀
], or 8014205 [
♀
]).
One
paratype
labeled: a) “
MADAGASCAR
:
Province
/ d’Antsiranana,
Parc National
/
Montagne
d’Ambre
1125 m
/
5–21 April 2001
”; b) “
12° 31′ 13″ S
,
49° 10′ 45″ E
/
California Acad. of Sciences
/
Coll
:
M. Irwin
, R. Harin’Hala /
malaise trap
MA-01-01D-07”; c) “CASENT / 8006346”.
One
female
paratype
labeled: a) “
MADAGASCAR
:
Province
/ d’Antsiranana,
Parc National
/
Montagne
d’Ambre
1125 m
/
21–26 April 2001
”; b) “
12° 31′ 13″ S
,
49° 10′ 45″ E
/
California Acad. of Sciences
/
Coll
:
M. Irwin
, R. Harin’Hala /
malaise trap
MA-01-01D-08”; c) “CASENT / 8016143”.
One
paratype
labeled: a) “
MADAGASCAR
:
Province
/ d’Antsiranana,
Parc National
/
Montagne
d’Ambre
1125 m
/
12–14 May 2001
”; b) “
12° 31′ 13″ S
,
49° 10′ 45″ E
/
California Acad. of Sciences
/
Coll
:
M. Irwin
, R. Harin’Hala /
malaise trap
MA-01-01D-10”; c) “CASENT / 8016164”.
Two
female
paratypes
labeled: a) “
MADAGASCAR
:
Province
/ d’Antsiranana,
Parc National
/
Montagne
d’Ambre
1125 m
/
14–30 May 2001
”; b) “
12° 31′ 13″ S
,
49° 10′ 45″ E
/
California Acad. of Sciences
/
Coll
:
M. Irwin
, R. Harin’Hala /
malaise trap
MA-01-01D-11”; c) “CASENT / #” (# = 8016113 or 8016118).
Three
paratypes
labeled: a) “
MADAGASCAR
:
Province
/
Diego-Suarez
,
Montaigne
/
Francais
, elev
150 m
/ 15 Feb–
6 March 2001
”; b) “
12° 19.5′ S
,
49° 20′ E
/
California Acad. of Sciences
/ coll:
M. Irwin
, R. Harin’Hala / malaise, forested limestone / ridge MA-
01-06-06
”; c) “CASENT / #” (# = 8032601, 8032602, or 8032603).
One
female
paratype
labeled: a) “
MADAGASCAR
:
Province
/ Diego-
Suarez
, dry forest /
7 km
N of Joffreville
,
360 m
”; b) “
6–20 March 2001
/
12° 20′ S
,
49° 15′ E
/ R. Harin’Hala collector /
malaise trap
MA-
01-07-08
”; c) “CASENT / 8014117”.
One
paratype
labeled: a) “
MADAGASCAR
:
Province
/
Diego-Suarez
, dry forest /
7 km
N of Joffreville
,
360 m
”; b) “
7–27 April 2001
/
12° 20′ S
,
49° 15′ E
/ R. Harin’Hala collector /
malaise trap
MA-
01-07-10
”; c) “CASENT / 8025772”.
One
paratype
labeled: a) “
MADAGASCAR
:
Province
/ d’Antsiranana, dry forest /
7 km
N of Joffreville
,
360 m
”; b) “27 April–
13 May 2001
/
12° 20′ S
,
49° 15′ E
/ R. Harin’Hala collector /
malaise trap
MA-
01-07-11
”; c) “CASENT / 8011458”.
All paratypes (
n
= 43) with label: on yellow paper, “
Ochodaeus
/
modopunctatus
/ Paulsen / PARATYPE”.
Figure 1.
Ochodaeus modopunctatus
Paulsen
,
new species
, male holotype.
a)
Dorsal habitus.
b)
Right front leg, dorsal view.
c)
Labels.
Description.
Holotype male (
Fig. 1a
).
Coleoptera
: Scarabaeoidea:
Ochodaeidae
.
Length:
9.9 mm.
Width:
4.1 mm.
Color:
Everywhere uniformly dark reddish brown; surface nitid.
Head:
Surface lacking tubercles, irregularly punctate; punctures moderately large, setose, separated by ~ 4 puncture diameters. Eyes large, globose; lacking ventral projection of canthus. Antennal club subequal to eye in size. Mandibles broadly scooped, basal angle prominent, apices falcate; left mandible with large rectangular internal tooth; right mandible with complimenting tooth reduced, second tooth large, obtuse. Frons weakly convex. Clypeus flat with disc short (at most 1/5 as long as wide), anterior margin strongly beaded; bead thick, rounded, almost as long as disc. Mentum (
Fig. 4
) slightly wider than long, tumid (not flat); most strongly tumid near base, decreasing anteriorly; surface with 2 lateral and 1 median depression near base, median depression contiguous with oval fovea on disc; fovea continuing anteriorly.
Pronotum:
Form convex. Surface densely punctate, appearing smooth between punctures, lacking distinct tubercles (at 40× minute tubercle anterior to seta); punctation mixed, with large setose punctures and smaller naked punctures interspersed.
Elytra:
Form convex, relatively elongate, elytra together longer than wide. Surface with striae moderately impressed, punctate, surface smooth between punctures (except sutural stria with connecting groove); strial punctures separated by> 5 diameters, lacking setae. Intervals irregularly punctate; punctures small, setose, with minute tubercle anteriorly.
Legs:
Protibia tridentate externally, with short, acute pollex directed anteriorly (
Fig. 1b
). Profemur and mesofemur with apical tooth reduced to rounded lobe. Metafemur with apical fin-like projection with weak tooth in distal fourth.
Venter/Abdomen:
Metasternum and abdomen sparsely punctate; punctures large with long, erect, golden setae. Pygidium punctate, setose. Stridulatory peg with narrow neck and rounded apex (
Fig. 10
).
Male genitalia:
Sclerotized patch on internal sac between parameres broadly oblong with bifurcate end (
Fig. 7
).
Paratype variation.
The paratypes show little variation from the holotype, and negligible sexual dimorphism. The clypeus may appear more trapezoidal (truncate medially), and although this is a common sexual dimorphism in ochodaeids this does not appear to be sexually diagnostic in
O. modopunctatus
. The subapical tooth on the metafemur is present in the holotype and the three largest males but is obsolete in all smaller males and females.
Remarks.
Due to the lack of any useful sexual dimorphism in the specimens that had open pygidia with visible genitalia, the majority of the remaining specimens were not subjected to potential damage during genitalic dissection. The sex is indicated only for paratypes with everted genitalia.
Etymology.
The name is constructed from the Latin adverb ‘modo’ meaning ‘only’ and the adjective for ‘punctate’. This refers to the apparent lack of tubercles on the pronotum of this species, which is unique among the Madagascan species. The other species treated below have at least weak indications of tubercles between punctures, and the known taxa all have a distinctly tuberculate pronotum.
Distribution.
This species is thus far known only from the extreme northern tip of the island in the vicinity of the type locality, Montagne d’Ambre (
Fig. 19
).