New taxa are described: from Ecuador, Cotyschnolea gen. nov., type species, Cotyschnolea minuta sp. nov. (Loja); Mimasyngenes murutinga sp. nov. (Manabi); Stereomerus hovorei sp. nov. (Manabi) and from Bolivia, Estola timbauba sp. nov. (Santa Cruz); Inermestoloides rumuara sp. nov. (Santa Cruz). Estola medionigra Breuning, 1940 is redescribed and a new record for Guiana Francesa is given.
Desmiphorini; Lamiinae; Neotropica; Taxonomy