Calyptommatus nicterus Rodrigues, 1991

Figs 4.8 and 14

Type locality.

Capim Verde, state of Bahia, Brazil.

Distribution.

Caatinga endemic species. It is recorded only in of Bahia. It shows restricted distribution in the Caatinga and occurs along three ecoregions (Table 1; Appendix S3). Distributed in medium elevation areas (399-446 m a.s.l.), with annual mean temperature 25 to 26°C, and average annual rainfall between 674 and 970 mm.

Ecological notes.

Fossorial and nocturnal (Rodrigues 1991a; Rocha and Rodrigues 2005; Siedchlag et al. 2010). It is associated with sandy soil patches along the Caatinga (Rodrigues 1991a). Diet based mainly on arthropods, being Tenebrionidae the most representative item (Rodrigues 1991a). Oviparous, the female usually lays two eggs at a time (Rodrigues 1991a).