A new species of Pterinopelma (Araneae: Theraphosidae) from the highlands of the state of Minas Gerais, Brazil and description of the male of P. sazimai

Two new species of Vitalius (Araneae: Theraphosidae) from the restingas of the states of Rio de Janeiro, Bahia and Sergipe, Brazil

“…nov. have the apical keel short on the male bulb (Figs 1-3, 28-30), contrasting with the remaining Vitalius species that have a larger keel (Bertani 2001). A short apical keel is found in Lasiodora C. L. Koch, 1850 and Pterinopelma Pocock, 1901 species as well, but the new species lack a stridulatory apparatus that is a synapomorphy of Lasiodora and the sternum is much longer than wide contrasting with the rounded or slightly longer than wide sternum of Pterinopelma species (Bertani et al 2011, Bertani andLeal 2016). Conversely, the lack of type III urticating setae of females and males having the metatarsus I touching the retrolateral side of the retrolateral tibial spur indicate the species are related with Vitalius.…”

Phylogenomics of Lasiodoriforms: reclassification of the South American genus Vitalius Lucas, Silva and Bertani and allied genera (Araneae: Theraphosidae)

“…Diagnosis: Males of Parvicarina felipeleitei can be distinguished from other theraphosine genera by the following combination of characters: weakly developed palpal bulb keels, almost imperceptible (Figures 5C-F), and strongly curved metatarsus I (see Figure 12 in Bertani and Leal, 2016) touching the apex of the retrolateral spur when flexed (Figure 5G). Bifid tibial spur with the apical region of the retrolateral branch curved prolaterally (Figure 5E; see Figures 11, 12 in Bertani and Leal, 2016).…”

“…Bifid tibial spur with the apical region of the retrolateral branch curved prolaterally (Figure 5E; see Figures 11, 12 in Bertani and Leal, 2016). Females can be distinguished by the spermathecae separated by a sclerotized area, which come up to half of the poorly sclerotized spermathecal stalks (Figure 5B); absence of stridulatory setae on prolateral face of coxa I; absence of long setae on the carapace (Figure 5A); absence of type III urticating setae; sternum as long as wide (see Figure 9 in Bertani and Leal, 2016); and carapace and legs black with conspicuous white rings on distal femora, patellae, tibiae, and metatarsi (Figure 5A; see Figures 20, 21 in Bertani and Leal, 2016).…”

“…Phylogenetic reconstructions from morphological matrices often result in low-supported clades and trees with many homoplastic characters and, consequently, discordant evolutionary hypotheses. In addition, morphological similarities are even greater in females, making it difficult to identify genera and species (Bertani et al, 2011(Bertani et al, , 2012Bertani and Leal, 2016;Hamilton et al, 2016b;Galleti-Lima and Guadanucci, 2018;Perafán and Valencia-Cuellar, 2018).…”

“…More recently, Bertani et al (2011) proposed the revalidation of Pterinopelma, with P. vitiosum (Keyserling, 1891) as the typespecies, and provided a description of P. sazimai (Bertani et al, 2011). In the subsequent year, Bertani et al (2012) proposed the transfer of Vitalius nondescriptus (Mello-Leitão, 1926), which is sympatric with P. sazimai, and in 2016, Bertani and Leal (2016) described Pterinopelma felipeleitei and the male of P. sazimai, which was considered as a misidentification of the male of P. felipeleitei by Bertani et al (2011). In addition, the authors discussed that P. sazimai perhaps should not be included in Pterinopelma due to the morphology of the male palpal bulb.…”