Taxon classification Animalia Opiliones Gonyleptidae

Eusarcus sp. 1

Previously known distribution of the genus.

From the northeast to the southeast of Brazil, northeast of Argentina, east of Paraguai and Uruguai (Hara and Pinto-da-Rocha 2010).

Examined material.

Mariana: 1 male (ISLA 16061) from Mina dos Canelas I (1), 11/VI/2009; 1 male (ISLA 16021) from Mina dos Canelas VII (2), 11/VI/2009; 1 male (ISLA 16024) from Mina da Cachoeira (4), 12/VI/2009 (Bernardi et al. 2011). Ouro Preto: 1 female (ISLA 16045) from Mina do Chico Rei (3), 02/V/2009 (Bernardi et al. 2010). São José da Safira: 1 male (MNRJ 2376) from Mina do Milto Godinho III (2), 13/IV/2009; 1 male (ISLA 16018) from Túnel do Milto Godinho XII (2), 12/IV/2009, new record for locality.

Individuals were observed sparsely distributed inside the cavities both in the photic and aphotic zones, at a maximum distance of 22 m from the entrance. Individuals were also observed next to the touristic path. The records at Mariana and São José da Safira correspond to new occurrences for the genus.