Taxonomy and phylogenetics of <i>Tmesiphantes</i> Simon, 1892 (Araneae, Theraphosidae)

Fabiano-da-Silva, Willian; Guadanucci, José Paulo Leite; Dasilva, Marcio Bernardino

doi:10.1080/14772000.2019.1685021

Cited by 8 publications

(13 citation statements)

References 31 publications

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“…Cladistic analysis was based on the previous matrix of the genus Tmesiphantes used by Fabiano-da-Silva et al (2019) with some modifications. The original matrix was modified to include two new characters (35, 36) related to the keels on the embolus and some taxa used as outgroups were also modified.…”

Section: Cladistic Analysismentioning

confidence: 99%

“…The subfamily Theraphosinae is endemic from the New World and comprises more than 60 formally genera described (World Spider Catalog 2022). This subfamily is a monophyletic group characterized by the following synapomorphies: presence of urticating setae type III, male palpal bulb with subtegulum extended over the tegulum, embolus with keels and tarsal clavate trichobotria in a straight row (Raven 1985, Pérez-Miles et al 1996, Bertani 2001, Bertani & Guadanucci 2013, Guadanucci 2014, Fabiano-da-Silva et al 2019.…”

Section: Introductionmentioning

confidence: 99%

“…In particular, males are characterized by the following combination of characters: tibial spur consisting of two separated (not fused) branches and a well-developed retrolateral branch, which can have a rigid spine on the apex, the prolateral branch shorter than retrolateral, and can have an adjacent short spine; and male palpal bulb embolus, which can be twisted or straight, bearing prolateral An Acad Bras Cienc (2022) 94(4) e20200702 2 | 17 keels only (superior and inferior). Females are characterized by a spermathecae composed of two receptacula with a subapical constriction (Pérez-Miles et al 1996, Yamamoto et al 2007, Fabiano-da-Silva et al 2019. Recently, Fabianoda-Silva et al (2019) reviewed the taxonomy and performed a phylogenetic analysis using morphological characters of Tmesiphantes.…”

Section: Introductionmentioning

confidence: 99%

“…uru (Perafán & Pérez-Miles, 2014), and T. yupanqui (Perafán & Pérez-Miles, 2014). At present, the genus Tmesiphantes is distributed along the major Brazilian biomes and northeastern Argentina in the Yungas ecoregion (Fabiano-da-Silva et al 2019). Fabiano-da-Silva et al (2019) diagnosed the genus Tmesiphantes as being distinguishable from other Theraphosinae genera by a distinctly incrassate femur III, more evident in males, and females of T. amazonicus, T. uru, and T. yupanqui; urticating hair types III and IV on abdominal dorsum; few cuspules on labium (0 to 30), up to 200 cuspules on maxillae and a rounded sternum.…”

Section: Introductionmentioning

confidence: 99%

“…At present, the genus Tmesiphantes is distributed along the major Brazilian biomes and northeastern Argentina in the Yungas ecoregion (Fabiano-da-Silva et al 2019). Fabiano-da-Silva et al (2019) diagnosed the genus Tmesiphantes as being distinguishable from other Theraphosinae genera by a distinctly incrassate femur III, more evident in males, and females of T. amazonicus, T. uru, and T. yupanqui; urticating hair types III and IV on abdominal dorsum; few cuspules on labium (0 to 30), up to 200 cuspules on maxillae and a rounded sternum. Additionally, the male palpal bulb embolus varies from straight to slightly curved with prolateral keels only (superior and inferior), which follows the torsion of the embolus; the tibial apophysis consists of two separated (not fused) branches: retrolateral and prolateral branches (absent in T. guayarus).…”

Section: Introductionmentioning

confidence: 99%

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First record of Tmesiphantes Simon, 1892 (Araneae, Theraphosidae) in Peru: a new species and its phylogenetic placement

Nicoletta

Ferretti

Chaparro

et al. 2022

An. Acad. Bras. Ciênc.

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The tarantula genus Tmesiphantes Simon, 1892 includes 20 valid species distributed in Argentina and Brazil. These spiders are distinguished from other Theraphosinae genera by the presence of an incrassate femur III, more evident in males, urticating hair types III and IV on the abdominal dorsum, few cuspules on the labium (0 to 30), maxillae with a maximum of 200 cuspules and sternum rounded. From recent examination of material from Peru, we discovered specimens that share all the morphological characters of Tmesiphantes, but did not fi t with any known species. In the present study T. intiyaykuy sp. nov. is diagnosed, described, and illustrated. This new species resembles T. caymmii in the circular patch with stiff setae on midventral abdomen but can be distinguished by the shape of the palpal bulb and spermathecae. Also, we performed a phylogenetic analysis using morphological characters to infer the taxonomic placement of the new species. The analysis included 26 terminal species and 36 characters. Representatives of Tmesiphantes formed a monophyletic group and T. intiyaykuy sp. nov. is close related with T. caymmii. A dichotomous identifi cation key and a geographic distribution map were constructed for recognized species of Tmesiphantes.

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Section: Cladistic Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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First record of Tmesiphantes Simon, 1892 (Araneae, Theraphosidae) in Peru: a new species and its phylogenetic placement

Nicoletta

Ferretti

Chaparro

et al. 2022

An. Acad. Bras. Ciênc.

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Chitin of Araneae origin: structural features and biomimetic applications: a review

2020

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Large scale isolation of chitin traditionally has been carried out from fungal biomass as well as from seafood processing wastes, e.g., from shrimp, crab and lobster exoskeletons. Despite the relative abundance and ready availability of these materials, isolation of chitin requires great deal of chemical reagents and is time consuming. Obtained in this way chitin is produced in the form of powders, whiskers, and flakes. In this review, we have focused on the moulting cuticles of spiders as an alternative source of naturally occurring chitin. The comparatively high chitin content in the moults allows for rapid preparation of structures that maintain their original shape and integrity, such as the chitinous tubes from leg exoskeletons. Based on our latest scientific analyses regarding spider chitin, we highlight here its advantages and its biomimetic applications in tissue engineering, catalysis and environmental science.

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An integrative taxonomy approach evaluates the limits of the widespread tarantula Plesiopelma longisternale (Araneae: Mygalomorphae: Theraphosidae) and reveals a new species from Argentina

Nelson,

Micaela,

Daniela

2024

Zoologischer Anzeiger

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Taxonomy and phylogenetics of Tmesiphantes Simon, 1892 (Araneae, Theraphosidae)

Cited by 8 publications

References 31 publications

First record of Tmesiphantes Simon, 1892 (Araneae, Theraphosidae) in Peru: a new species and its phylogenetic placement

First record of Tmesiphantes Simon, 1892 (Araneae, Theraphosidae) in Peru: a new species and its phylogenetic placement

Chitin of Araneae origin: structural features and biomimetic applications: a review

An integrative taxonomy approach evaluates the limits of the widespread tarantula Plesiopelma longisternale (Araneae: Mygalomorphae: Theraphosidae) and reveals a new species from Argentina

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