Jambu manoa, Miglio & Perafán & Pérez-Miles, 2024

Miglio, Laura T., Perafán, Carlos & Pérez-Miles, Fernando, 2024, Jambu, a new genus of tarantula from Brazil (Araneae, Theraphosidae, Theraphosinae), European Journal of Taxonomy 930 (1), pp. 229-248 : 239-242

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 .

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 ).

Distribution

Known only from the type-locality, Serra do Aracá, State of Amazonas, Brazil ( Fig. 10 ).

Figures

Fig. 6. Jambu manoa gen. et sp. nov., holotype, ♂ (INPA 6131). A. Abdomen, dorsal view. B. Abdomen, ventral view. C. Carapace, dorsal view.D. Sternum, ventral view.E. Distal right palp and bulb, retrolateral view. F. Oral region, ventral view. G. Right cymbium, ventral view.

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.

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.

Fig. 10. Geographic distribution of the species of Jambu gen. nov.