The South American spider genera Mesabolivar and Carapoia (Araneae, Pholcidae): new species and a framework for redrawing generic limits
Author
Huber, Bernhard A.
text
Zootaxa
2018
2018-03-19
4395
1
1
178
journal article
30485
10.11646/zootaxa.4395.1.1
8bee84d8-4a01-4e53-8eb3-af176ce1feb9
1175-5326
1202519
B43C234D-45C4-4A6D-9836-8A7524A5B291
Mesabolivar kathrinae
Huber, 2015
Figs 255–256
,
273
,
296
Mesabolivar kathrinae
Huber, 2015: 8
, figs 4, 11, 26–27, 57–61, 75–77 (♂♀, Brazil: Bahia).
Diagnosis.
(amended; see Huber 2015). Easily distinguished from similar congeners (
M. pallens
,
M. azureus
,
M. brasiliensis
) by slender procursus (compare
Figs 271–279
) (but see Note below) and by epigynum without median pocket (Huber 2015: figs 26, 60;
Fig. 296
).
Note.
A very similar species occurs in Paraná state (Fazenda Experimental Gralha Azul, 25.667°S, 49.270°W; specimens in ZFMK Ar 19104 and Br10-59; “Br10-4” in
Fig. 730
). Males seem to be slightly larger but otherwise identical in all details; females differ by having a shallow but distinct median epigynal pocket (
Fig. 297
).
Type
material.
BRAZIL
:
Bahia
:
♂
holotype
,
1♀
paratype
,
IBSP
(166456),
7♂
3♀
paratypes
,
ZFMK
(Ar 12621), Reserva Biológica de Una, ‘site 2’ (
15°10.6’S
,
39°03.5’W
), ~
50–100 m
a.s.l.,
4.x.2011
(B.A. Huber, A. Pérez-González, M. Alves Dias).
New
records.
BRAZIL
:
Bahia
:
5♂
6♀
in pure ethanol,
UFPI
(
ARA 272
), Maracás, near
Sede
da Ferbasa
(
13.471°S
,
40.438°W
),
955 m
a.s.l.
,
11–13.iii.2012
(
E. Araújo
,
A. Medeiros
).
Alagoas
:
27♂
23♀
,
ZFMK
(
Ar
19094–95), near
Murici
,
Estação Ecológica de Murici
(
9°14.8’S
,
35°50.3’W
),
350– 400 m
a.s.l.
,
18.v.2015
(
B.A. Huber
,
L.S. Carvalho
)
;
1♂
2♀
in pure ethanol,
ZFMK
(
Br
15-198), same data
;
12♂
14♀
5 juvs,
ZFMK
(
Ar
19096), same data but
19.v.2015
;
1♀
in pure ethanol,
ZFMK
(
Br
15-205), same data
.
Pernambuco
:
5♂
4♀
6 juvs,
ZFMK
(
Ar
19097), near
Bonito
, forest near
Cachoeira
da Gruta
(
8°32.8’S
,
35°42.7’W
),
380 m
a.s.l.
,
24–25.v.2015
(
B.A. Huber
,
L.S. Carvalho
)
;
1 juv.
in pure ethanol,
ZFMK
(
Br
15-223), same data
.
6♂
16♀
2 juvs,
ZFMK
(
Ar
19098–99),
Reserva Biológica de Saltinho
(
8°43.6’S
,
35°10.7’W
),
50 m
a.s.l.
,
26.v.2015
(
B.A. Huber
,
L.S. Carvalho
).
Paraíba
:
2♂
2♀
3 juvs,
ZFMK
(
Ar
19100), Jardim Botânico Benjamin
Maranhão
, "
Mata do Buraquinho
" (
7°08.31’S
,
34°51.46’W
),
30 m
a.s.l.
,
2.vi.2015
(
B.A. Huber
,
L.S. Carvalho
)
;
1♀
in pure ethanol,
ZFMK
(
Br
15- 247), same data
.
2♂
2♀
4 juvs,
ZFMK
(
Ar
19101),
Floresta Nacional da Restinga de Cabedelo
, "
Mata do Amém
" (
7°03.9’S
,
34°51.2’W
),
30 m
a.s.l.
,
2.vi.2015
(
B.A. Huber
,
L.S. Carvalho
); 2 juvs in pure ethanol,
ZFMK
(
Br
15- 248), same data
.
Amapá
:
6♂
4♀
6 juvs,
ZFMK
(Ar 19102–03), forest
SW Macapá
, ‘site 1’ (
0.051°S
,
51.136°W
),
25 m
a.s.l.
,
12.x.2016
(
B.A. Huber
,
L.S. Carvalho
)
;
2♀
3 juvs in pure ethanol,
ZFMK
(
Br
16-247), same data
.
Description
(amendments; see Huber 2015). Tibia
1 in
56 newly examined males: 7.2–10.7 (mean 9.4); in
62 females
: 6.3–8.6 (mean 7.4). Male and female leg femora distally wider than proximally; male femora 2 thicker distally than other femora (femora maximum width in large male: 0.17, 0.25, 0.17, 0.18). ‘Valve’ in internal female genitalia sometimes dark and clearly visible through cuticle, sometimes not visible from outside.
Natural history.
The spiders were found in weakly domed webs freely suspended among the vegetation, usually about
0.5–1.5 m
above the ground. Males and females sometimes shared a web.
Distribution.
Widely distributed in NE
Brazil
(
Fig. 730
).