Lewis & Short

Mēvānĭa, ae, f., a city in Umbria, now Bevagna, Liv. 9, 41, 13; Col. 3, 8, 3; Sil. 6, 647: nebulosa, Prop. 4 (5), 1, 123.
Hence,

  1. I. Mēvānas, ātis, comm., of or belonging to the city of Mevania Mevanas Varenus, Sil. 4, 546.
    Subst.: Mēvānā-tes, ĭum, m., the inhabitants of Mevania, Mevanians, Plin. 3, 14, 19, § 113.
  2. II. Mē-vānĭensis, e, adj., of or belonging to Mevania, Mevanian: boves, Philar. ad Verg. G. 2, 146.