Lewis & Short

nītella, ae, f. (contr from nitedula, q. v, sometimes written nītēla, but v. Lachm. ad Lucr. 3, 1015), a small mouse, a dormouse, Plin. 8, 57, 82, § 224; Mart. 5, 37, 8; Serv ad Verg. G. 1, 181.