Glaucomastix venetacauda (Arias, Carvalho, Rodrigues & Zaher, 2011)

Figs 10.6 and 18

Type locality.

Olho D’água da Santa, municipality of Caracol, Parque Nacional da Serra das Confusões, state of Piauí, Brazil.

Distribution.

Caatinga endemic species. It is recorded only in the state of Piauí . It shows restricted distribution in the Caatinga and with annual mean temperature 20 to 28°C along two ecoregions (Table 1; Appendix S3). Distributed in low to medium elevation areas (259-583 m a.s.l.), with annual mean temperature 25 to 27°C, and average annual rainfall between 702 and 1,029 mm.

Ecological notes.

Terrestrial and diurnal. It can be found in areas with sandy soils with sandstone outcrops of the Parque Nacional Serra das Confusões . They often took refuge under rocks, fallen logs, piles of rubble or small holes in the groundalong the caatinga vegetation (Arias et al. 2011b). Diet based mainly on arthropods, being Pseudoescorpiones and Isoptera the most representative items (Cavalcanti et al. in press). Oviparous, no detailed data is known about the number of eggs laid by the species, but it could be similar to other Ameivula (Mesquita and Colli 2003; Sales and Freire 2016; Xavier et al. 2019).