A Taxonomic Revision Of The Spider Genus Meriola Banks (Araneae: Trachelidae)
Author
González, María E.
0000-0003-1609-0314
mariaegm86@gmail.com
Author
Grismado, Cristian J.
0000-0002-1260-7964
grismado@macn.gov.ar
Author
Ramírez, Martín J.
0000-0002-0358-0130
ramirez@macn.gov.ar
text
Zootaxa
2021
2021-02-24
4936
1
1
113
journal article
7437
10.11646/zootaxa.4936.1.1
5404afb9-168e-4d0f-b386-da1c314df1d9
1175-5326
4559165
DAC2F49B-EE13-4827-B549-C59B9C43550B
Meriola longitarsis
Simon
Figs 43–45
,
96
Trachelas longitarsis
Simon, 1904: 104
, fig. 5 (male
holotype
from
Punta Arenas
,
Magallanes
,
Región de Magallanes
,
Chile
, in MNHN 12913, labeled as “Chili”, examined;
Fig. 45b, c
, g–i).
Meriola longitarsis
Platnick & Ewing, 1995: 18
, figs 34–38.
Diagnosis.
Males (
Figs 44
a–f, 45) are easily distinguished by a combination of an elongated cymbium constricted at the middle, a long, filiform embolus, and the distally pointed tegulum. Females (
Fig. 43
,
44g
) are recognized by the rectangular median field located posterior to the copulatory ducts and spermathecae, and the large, rounded secondary spermathecae (
Platnick & Ewing 1995
: figs 37, 38).
Description.
See
Platnick & Ewing (1995)
for male and female descriptions.
Variability.
The males show continuous variability in palpal morphology, with a long embolus and curved cymbium (
Fig. 45
h–i) to a shorter embolus and straighter cymbium (
Fig. 45
e–f and
Platnick & Ewing 1995
: figs 34–36).
Natural history and habitat.
The specimens were collected by fogging in forests of
Laurelia
sp.,
Myrceugenia
sp.,
Nothofagus dombeyi
,
N. oblicua
,
N. alpina
,
Castanopsis hystrix
,
Podocarpus saligna
,
Austrocedrus chilensis
and
Araucaria araucana
, between
900–1200 m
altitude. A few specimens were found in low coastal forest, hygrophilic forests and forests of
Peumus boldus
.
Distribution.
Known from a
Chile
, in Choapa, Quillota, Curicó, Concepción, Malleco and Valdivia provinces in
Chile
, and adjacent localities in
Neuquén
, Río Negro and
Chubut
provinces in
Argentina
; the
holotype
however is from Punta Arenas, far to the south (
Fig. 96
).
New records.
ARGENTINA
:
Río Negro
:
Bariloche: Parque Nacional Nahuel Huapi, Puerto Blest, sendero a laguna Los Cántaros,
S 41.013754°
,
W 71.822738°
, elev.
820–890 m
,
28.XII.2010
, humid forest, M. Ramírez, V. Werenkraut & S. Aisen,
1 male
, sample MGM-00213 (MACN-Ar 30887). Arroyo Casa de Piedra,
S 41.118743°
,
W 71.461673°
,
I.1982
, M. Ramírez,
1 male
,
1 imm.
(MACN-Ar 30974). Lago Los Moscos,
S 41.356833°
,
W 71.632500°
, elev.
900 m
,
I.2003
, pitfall traps, Y. Sasal,
1 male
(MACN-Ar 33075).
CHILE
: Región IV de Coquimbo:
Provincia de Choapa
:
Ñagué,
10 km
N Los Vilos, Ruta
5 km
236,
S 31.82137°
,
W 71.50231°
, elev.
90 m
,
19.II.2005
, low coastal forest, M. Ramírez & F. Labarque,
1 male
, temporary preparations MGM-00471, MGM-00472 (MACN-Ar 30880).
Región V de
Valparaíso
:
Provincia de Quillota
:
Parque Nacional La Campana, sector granizo, 5,2 km por aire ENE de Olmué (MJR-loc-65),
S 32.98124°
,
W 71.13016°
, elev.
456 m
,
4.XI.2011
, hydrophilic forest in cliff, hand collection, M. Ramírez, A. Ojanguren Affilastro & J. Pizarro,
1 male
, sample CJG- 03102, temporary preparation CJG-01332, MGM-00475 (MACN-Ar 30345).
Región VII del
Maule
:
Provincia de Curicó
:
Los Niches, Fundo de Juan Enrique Barriga-Tuñón, Cerro Huecahuecan (MJR-loc-72),
S 35.06735°
,
W 71.120852°
, elev.
303 m
,
7.II.2012
, forest of
Peumus boldus
, M. Ramírez, M. Izquierdo, P. Michalik, C. Wirknler & K. Huckstorf
,
1 male
(MACN-Ar 29180),
1 female
, sample MAI-04068, temporary preparations MAI-00999, (MACN-Ar 29167),
1 male
, sample MAI-04064, temporary preparation MAI-00995 (MACN-Ar 29169),
1 female
, temporary preparation MGM-00476 (MACN-Ar 29288). Camino El Relvo,
15 km
E Potrero Grande,
S 35.190907°
,
W 70.9228267°
,
25.III.2003
,
Laurelia
sp. and
Myrceugenia
sp., fogging, J. Barriga,
5 females
,
5 males
(MACN-Ar 30866). Same locality, elev.
1000 m
,
13.V.2004
,
Nothofagus oblicua
and
N. dombeyi
, fogging, J. Barriga,
2 females
(MACN-Ar 30878). Same locality,
19.XII.2004
,
Nothofagus alpina
,
N. obliqua
, fogging, J. Barriga,
2 males
,
1 imm.
(MACN-Ar 33039). El Relvo,
20 km
E Potrero Grande,
S 35.185833°
,
W 70.937472°
,
16.I.2004
,
Nothofagus dombeyi
,
Laurelia
sp.,
Castanopsis hystrix
and
Podocarpus saligna
, fogging, J. Barriga,
9 males
(MACN-Ar 33040). Same locality,
S 35.189167°
,
W 70.958333°
, elev.
1100 m
,
30.XII.2003
,
Nothofagus dombeyi
, fogging, J. Barriga,
2 females
,
2 males
(MACN-Ar 33038). Same locality,
S 35.190907°
,
W 70.8130279°
,
30.XII.2003
,
Nothofagus dombeyi
, fogging, J. Barriga,
1 male
(MACN-Ar 30868). Same locality,
16.I.2004
,
Nothofagus dombeyi
,
Laurelia
sp.,
Castanopsis hystrix
and
Podocarpus saligna
, fogging, J. Barriga,
8 females
,
2 males
(MACN-Ar 30869). Same locality, elev.
1100 m
,
8.V.2004
,
Nothofagus dombeyi
, fogging, J. Barriga,
2 females
(MACN-Ar 30870),
1 female
(MACN-Ar 30877). Potrero Grande,
15 km
E, Puente los Morongos,
S 35.190907°
,
W 71.087525°
,
30.III.2004
,
Nothofagus alpina
,
N. dombeyi
and
Laurelia
sp., fogging, J. Barriga,
4 females
,
9 males
(MACN-Ar 30873). Fundo El Coihue,
20 km
E Potrero Grande,
S 35.190907°
,
W 70.8679273°
, elev.
1035 m
,
25.V.2004
,
Podocarpus saligna
, fogging, J. Barriga,
6 females
,
1 male
(MACN-Ar 33037),
5 females
(MACN-Ar 30876). Same locality, elev.
937 m
,
25.V.2004
,
Austrocedrus chilensis
, fogging, J. Barriga,
7 females
(MACN-Ar 30865). Same data, elev.
937 m
,
Nothofagus dombeyi
and
Austrocedrus chilensis
, fogging, J. Barriga,
8 females
,
2 males
(MACN-Ar 30872).
5 km
E Potrero Grande, Puente Los Morongos,
S 35.216139°
,
W 70.216139°
,
22.XII.2003
,
Nothofagus dombeyi
, fogging, J. Barriga,
2 females
,
6 males
(MACN-Ar 30867).
Región VIII del
Biobío
:
Provincia de Concepción
:
Cerro Caracol,
S 36.841083°
,
W 73.041285°
, elev.
240 m
,
15.II.2005
, M. Ramírez & F. Labarque,
1 male
(MACN-Ar 10953).
Provincia de
Arauco
:
Pichinahuel, sendero monitoreo Arauco,
32 km
E Cañete (por aire),
S 37.80692°
,
W 73.03732°
(GPS, +-
200m
), elev.
1200 m
(GPS),
11.I.2020
, forest
N. dombeyi
and
Araucaria
, M.J. Ramírez, E. Soto, J. Wilson, D. Poy
(MJR-loc-350),
1 male
, sample MJR-2391-1 (MACN-Ar 40964).
Región IX de La
Araucanía
:
Provincia de Malleco
:
Parque Nacional Nahuelbuta,
S 37.784643°
,
W 72.953286°
, elev.
1200 m
,
12.II.2005
,
Araucaria araucana
, fogging, J. Barriga,
1 female
,
5 males
, 2 imms. (MACN-Ar 30864),
1 female
(MACN-Ar 30874),
2 females
,
3 males
(MACN-Ar 30875). Same locality,
22.XI.2004
,
Araucaria araucana
,
Nothofagus dombeyi
, fogging, J. Barriga,
1 male
(MACN-Ar 30871). Monumento Natural Contulmo,
S 38.034412°
,
W 73.196368°
,
19–21.XII.1998
, M. Ramírez, L. Compagnucci, C. Grismado & L. Lopardo,
2 males
(MACN-Ar 16378),
1 female
(MACN-Ar 16381),
1 female
(MNHS).
Región XIV de
Los Ríos
:
Provincia de Valdivia
:
Valdivia,
S 39.817379°
,
W 73.242533°
, 1983, E. Krahmer,
1 female
(MNHS 816).