This species was originally described in Priocyphus and transferred to s Mendozella by Lanteri & del Río (2016).
Mendozella hirsuta differentiates from Mendozella curvispinis because is slightly smaller, it has greyish scaly vestiture, humeri do not have a tooth-like tubercle and hind tibiae lack mucro and lack a line of denticles on inner margin.
Unknown.
Associated with vegetation of the Monte biogeographic province, mainly characterized by the presence of Prosopis sp (Fabaceae) and Larrea sp (Zygophyllaceae).