4. Eumecacris longivalva Descamps, 1984: 25

Holotype male: Brazil, Amazonas: Benjamin Constant, X.1979, B. Silva, MNRJ-ENT6-019328 . Allotype, same data, MNRJ-ENT6-019329 . Paratypes, 2 males, 2 females, same data, 014069-014070; 014087-014088.