Systematic revision of the American taxa belonging to the genera Alloblackburneus Bordat, 2009, and Blackburneus Schmidt, 1913, with description of seven new species (Coleoptera: Scarabaeidae: Aphodiinae)
Author
Dellacasa, Marco
Author
Dellacasa, Giovanni
Author
Gordon, Robert D.
text
Insecta Mundi
2011
2011-12-16
2011
204
1
52
journal article
10.5281/zenodo.10090539
1942-1354
10090539
Blackburneusargentinensis
(Schmidt, 1909)
(
Fig. 66-70
)
Aphodius argentinensis
Schmidt, 1909a: 101
; Blackwelder 1944: 212.
Aphodius
(
Blackburneus
)
argentinensis
; Schmidt 1913: 138; Schmidt 1922: 148; Dellacasa 1988: 90.
Blackburneus argentinensis
; Skelley etal. 2007: 2.
Typelocality
.
Prov.
Santa Fé
,
Argentina
.
Type
repository.
Naturhistoriska Riksmuseet,
Stockholm
(
type
examined).
Redescription.
Length 4.0-
4.5 mm
; elongate, convex, shiny, glabrous. Pale reddish-brown; juxtasutural interstria of elytra and legs somewhat darker; antennal club testaceous. Head with epistome distinctly gibbous on disc, sparsely and rather irregularly punctured; clypeus feebly sinuate at middle, round at sides, very thinly bordered, edge slightly upturned, laterally with extremely short sparse bristles; genae round, almost imperceptibly ciliate, feebly protruding from the eyes; frontal suture distinctly impressed, raised at each side; front coarsely, densely irregularly punctured mainly on sides. Pronotum moderately transverse, strongly convex, dually punctured; large punctures, six to seven times larger than small ones, irregularly scattered, rather widely lacking on disc; small extremely fine punctures subregularly sparse throughout, somewhat more superficial on disc; lateral margins feebly arcuate, very thinly bordered, edge glabrous; hind angles obtusely round; base slightly bisinuate. Scutellum elongate, somewhat narrowed toward base, with few fine punctureson basal half. Elytra faintly widened, rather finely striate; striae subcrenulate; eighth and ninth striae shortened toward shoulder; interstriae flat or almost flat, nearly imperceptiblysparsely punctured; second interstria wider than first and third ones; fifth interstria broadened at base, therein twice as wide as the sixth. Hind tibiae superior apical spur shorter than first tarsal segment; latter shorter than following three segments combined. Male: frontal suture strongly raised on each side; pronotum somewhat more convex, not narrowed frontward, less densely punctured; foretibiae apicalspur subcylindrical, apically rounded; metasternal platesomewhatmore strongly incavate; aedeagus
Fig. 69-70
. Female: frontal suture not or feebly raised on each side; pronotum somewhat less convex, somewhat narrowed frontwardly and more densely punctured; fore tibiae apical spur slender and acuminate; metasternal plate almost flat.
Type material.
1 female
(
lectotype
, herein designated,
NHRS
) bearing the following labels: 1) white:
Rep.
Argentina
[printed] / prov. [printed] /
Sta. Fé
[handwritten] /
R. Richter
[printed]
; 2) white (handwritten): argenti- / nensis / m.; 3) red (printed): Typus; 4) white (printed): 125;
5) red (printed):
Aphodius argentinensis
/
Schmidt
A., 1909 /
Lectotypus
/
Dellacasa M.
& G. des., 2002.
Other
4 females
(
paralectotypes
,
NHRS
) with the same collecting data as lectotype
.
Material examined.
ARGENTINA
:
Prov.
Buenos Aires
, 12
Km E
9 de
Julio
,
30.XII.1979
, leg.
R. E. Woodruff
&
V. Duthie
, cow dung (
1 ex.
,
ISEA
)
;
Cordoba
,
Alta Gracia
,
10.IV.1967
, leg.
L. E. Peña
(3 exx.,
DCGI
)
;
Prov.
Cordoba
,
Anizacate
,
9.IV.1967
, leg.
L. E. Peña
&
G. Barria
(
1 ex.
,
CNCI
)
;
Prov.
Cordoba
,
Ao. Tegua
,
5-9.IV.1967
, leg.
L. E. Peña
&
G. Barria
(2 exx.,
CNCI
)
;
Prov.
Salta
,
El Rey Nat. Park
, m 1000,
Pozo Verde Trail Km
7,
5-15.XII.1987
, leg.
S. & J. Peck
(malaise-FIT,
Yungas forest
) (
1 ex.
,
DCGI
)
;
Prov.
San Luis
, 18
Km S Arizona
, m 250,
18-23.I.1982
, leg.
H. & A. Howden
(2 exx.,
CNCI
)
;
BRAZIL
:
Distrito Federal
,
Brasilia
, m 1100,
XII.1998
, leg.
N. Dégallier
(piège lumineaux) (3exx.,
DCGI
)
;
Goiás
,
San Antonio de Descobierto
,
20.XII.1998
, leg.
N. Dégallier
(piège lumineaux) (
1 ex.
,
DCGI
)
;
FRENCH GUIANA
:
Roura
(8
Km
SSE),
04
o
40’41”N-
52
o
13’25”W
, m 200,
10.VI.1997
, leg.
J. Ashe
&
R. Brooks
(flight int. trap) (
1 ex.
,
CNCI
)
;
PARAGUAY
:
Dpt.
Guaira
,
Calle Florida
,
VIII.1993
(4 exx.,
DCGI
)
;
idem
,
Melgarejo
,
X.1994
(2 exx.,
DCGI
)
;
URUGUAY
:
90
Km
SW of
Artigas
,
Pampa
de
Lavalleja
,
27-30.IX.2001
, leg.
Z. Linek
(2 exx.,
DCGI
)
.