Tmesiphantes mirim sp. nov. (Araneae: Theraphosidae) from the Atlantic Forest of Bahia, Brazil, biogeographical notes and identification keys for species of the genus

Bistriopelma, a new genus with two new species from Peru (Araneae: Theraphosidae: Theraphosinae)

“…While Bistriopelma gen. nov. inhabits Puna biogeographical province in the Peruvian Andes and Melloleitaoina, a closely related genus to Tmesiphantes (Pérez-Miles et al 1996;Yamamoto et al 2007), the adjacent Yungas and Monte biogeographical provinces in the northern Argentina , the genera Tmesiphantes and Magulla are known only from the Xingu-Tapajós, Atlantic and Parana Forest biogeographical provinces in the most eastern Brazilian states (Yamamoto et al 2007;Indicatti et al 2008;Guadanucci & Silva 2012;Bertani et al 2013;Gonzales-Filho et al 2014;Fabiano-da-Silva et al 2015). Fabiano-da-Silva et al (2015) examined all species of the genera Tmesiphantes and Melloleitaoina and the authors are persuaded that all previous diagnoses fail to separate them from each other due to interspecific morphological variations and it is very likely that these two genera are synonym.…”

“…Fabiano-da-Silva et al (2015) examined all species of the genera Tmesiphantes and Melloleitaoina and the authors are persuaded that all previous diagnoses fail to separate them from each other due to interspecific morphological variations and it is very likely that these two genera are synonym. (Fabiano-da-Silva et al 2015). A molecular analysis based on an appropriate set of loci would help to resolve the mutual position of both taxa which are known to date only from two geographically isolated areas.…”