Hemidactylus agrius Vanzolini, 1978

Figs 3.5 and 13

Type locality.

Valença, state of Piauí, Brazil.

Distribution.

Caatinga endemic species. It is registered in the states of Bahia, Ceará, Paraíba, Pernambuco, Piauí, and Rio Grande do Norte. It is widespread in the Caatinga and occurs along four ecoregions (Table 1; Appendix S3). It occurs in low to high elevation areas (5-919 m a.s.l.), with annual mean temperature 21 to 28°C, and average annual rainfall between 492 and 1,402 mm. We highlight the possibility that records made for the Caatinga present identification errors and confusion with H. mabouia .

Ecological notes.

Terrestrial and nocturnal (Vanzolini et al. 1980). It inhabits rocky outcrop areas, arboreal-shrubby vegetation and shrubby vegetation, having a great variety of microhabitats (Andrade et al. 2020). Diet based mainly on arthropods, being insect larvae, Blattodea and Araneae the most representative items (Andrade et al. 2020). Oviparous, the female usually lays 1-2 eggs at a time (Bezerra et al. 2011).