Jambu, a new genus of tarantula from Brazil (Araneae, Theraphosidae, Theraphosinae)
Author
Miglio, Laura T.
3D46F4E6-6525-47E5-AD08-E90D9CA6F6AC
Museu Paraense Emílio Goeldi, Coordenação de Zoologia, Laboratório de Aracnologia, Av. Perimetral, 1901, Terra Firme, Cep: 66077 - 830, Belém, Pará, Brazil.
lauramiglio@gmail.com
Author
Perafán, Carlos
F1E71689-C893-4F21-B756-224AA39A0BE5
Sección Entomología, Facultad de Ciencias, Iguá 4225, 11400 Montevideo, Uruguay.
caperafanl@gmail.com
Author
Pérez-Miles, Fernando
1104EABA-D2D8-49BE-9E4E-FB82735D6E21
Sección Entomología, Facultad de Ciencias, Iguá 4225, 11400 Montevideo, Uruguay.
myga@fcien.edu.uy
text
European Journal of Taxonomy
2024
2024-04-05
930
1
229
248
https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2497/11163
journal article
10.5852/ejt.2024.930.2497
2118-9773
10933047
AF6A835B-274E-4DF3-A72D-28FFCC28D926
Jambu manoa
gen. et sp. nov.
urn:lsid:zoobank.org:act:
5DF976D9-F9E0-4A0C-B063-FB13A0A93406
Figs 6–10
;
Table 3
Diagnosis
Males differ from those of
J. paru
gen. et sp. nov.
and
J. butantan
gen. et comb. nov.
by the absence of PI on the palpal bulb (
Figs 7
,
8A–B
) and in the absence of a retrolateral process on the palpal tibia (
Fig. 6E
). Additionally, males differ from those of
J. butantan
in the morphology of PA wide and dentate (acute and not dentate in
J. butantan
) and in the absence of PS. Female unknown.
Etymology
The specific epithet is a noun in apposition which refers to an ancestral indigenous city located in a region later known as El Dorado.
Type material
Holotype
BRAZIL
•
♂
;
Amazonas
,
Barcelos
,
Serra de Aracá
;
0°51′59″ N
,
63°26′51″ W
;
1–4 Aug. 2008
;
A.A. Nogueira
leg.;
INPA 6131
.
Fig. 7.
Jambu manoa
gen. et sp. nov.
, holotype, ♂ (INPA 6131), left palpal bulb.
A
. Prolateral view.
B
. Retrolateral view.
C
. Dorsal view.
D
. Ventral view. Arrows show the embolus. Abbreviation: PA = paraembolic apophysis.
Fig. 8.
Jambu manoa
gen. et sp. nov.
, holotype, ♂ (INPA 6131).
A–B
. Male left palpal bulb.
A
. Prolateral view.
B
. Retrolateral view.
C–D
. Male left tibial apophysis.
C
. Ventral view.
D
. Prolateral view. Arrows show embolus. Abbreviation: PA = paraembolic apophysis. Scale bars = 1 mm.
Table 3.
Length of legs and palpal segments of holotype male
Jambu manoa
gen. et sp. nov.
(INPA 6131).
|
I
|
II
|
III
|
IV
|
Palp
|
| Fe |
6.5 |
6.3 |
5.8 |
7.7 |
3.6 |
| Pa |
3.9 |
3.2 |
2.9 |
3.2 |
2.5 |
| Ti |
5.0 |
4.4 |
3.9 |
6.0 |
4.0 |
| Mt |
4.6 |
4.5 |
5.6 |
9.0 |
– |
| Ta |
2.8 |
2.5 |
2.5 |
2.6 |
0.9 |
| Total |
22.8 |
20.9 |
20.7 |
28.5 |
11.0 |
Description
Male
(
holotype
INPA 6131)
Total length 17.00, carapace length 7.75, width 7.63. Anterior eye row procurved, posterior recurve. Eye sizes and interdistances:AME 0.38,ALE 0.38, PME 0.26, PLE 0.32, AME–AME 0.18,AME–ALE 0.16, PME–PME 0.64, PME–PLE 0.10, ALE–PLE 0.10. OQ length 0.72, width 1.44, clypeus 0.20. Fovea transverse, procurved, width 0.88. Labium length 1.13, width 1.63, with 10 cuspules, maxillae with 57 cuspules (
Fig. 6F
). Sternum length 3.50, width 3.50. Posterior sigillae submarginal (
Fig. 6D
). Chelicerae with 11/10 teeth on furrow promargin (7–9 teeth, smaller), and with 12/13 small teeth in proximal group behind promarginal line. Tarsi I–IV densely scopulate, scopula I–II entire, III–IV divided by a narrow line of longer conical setae on the distal part. Metatarsi I scopulate on distal ⅓, II on distal ¼, III on distal 1/5, IV not scopulate. Tibia I with prolatero-ventral, distal double apophysis with basis fused and branches convergent, short thick spine on apex of retrolateral branch (
Fig. 8C–D
). Flexion of metatarsus I retrolateral regarding retrolateral branch. Palpal bulb piriform with PA well developed and with granulations, embolus long (
Figs 7
,
8A–B
); tegular apophysis present and well developed. Palpal tibia without retrolateral process (
Fig. 6E
). Length of leg and palpal segments in
Table 3
. Spination: femora I–II 1p; III 1p, 1d; IV 1d; palp
1p.
Patellae I–II 0; III 2p; IV 1p, 1r; palp 0. Tibiae I 4r, 2p, 2v; II 2p, 2r, 4v; III 2p, 2r, 6v; IV 4p, 2r, 4v; palp
9p.
Metatarsi I 2p, 5v; II 2p, 2r, 5v; III 3p, 2r, 8v; IV 5p, 7r, 5v; tarsi I–IV and palp 0. Color: cephalothorax, legs and abdomen brown, tarsi light brown; carapace has longer yellow setae (
Fig. 6
).
Type
IV urticating setae present (
Fig. 7
). PMS well developed, PLS normal, apical segment digitiform (
Fig. 7D
).
Fig. 9.
Jambu manoa
gen. et sp. nov.
, holotype, ♂ (INPA 6131), type IV urticating setae.
A
. Lateral view.
B
. Convex face view. Scale bar = 20 μm.
Distribution
Known only from the type-locality, Serra do Aracá, State of Amazonas,
Brazil
(
Fig. 10
).