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The Acanthocinini genus Alcathousiella Monné, 2005 (Coleoptera, Cerambycidae, Lamiinae) is revised with both the genus and the type species, Alcathousiella polyrhaphoides (White, 1855) redescribed. New country records for the species, greatly expanding its known distribution in South America, are also presented. Lastly, Alcathousiella giesberti sp. nov., from Nicaragua, Costa Rica and Panama is described and illustrated.
taxia tibialis Schaeffer, 1908 (Coleoptera: Cerambycidae: Lamiinae: Pteropliini) is transferred to Bisaltes (Bisaltes) Thomson, 1868 (Apomecynini), new combination; the female is described for the first time. This extends the range of the genus, previously only known as far north as Costa Rica, to southern Texas. Bisaltes (Bisaltes) obliquatus Breuning, 1940 is found to be conspecific with Bisaltes (Bisaltes) uniformis Breuning, 1939, new synonymy, and recorded from Argentina and the Brazilian state of São Paulo. The holotypes of Esthlogena pulverea Bates, 1866, and Bisaltes posticalis Thomson, 1868 (currently, both synonyms of Bisaltes (Bisaltes) pulvereus) are illustrated for the first time. The holotype of Bisaltes (Bisaltes) bimaculatus Aurivillius, 1904, as well as ventral and lateral habitus of this species are illustrated for the first time and it is newly recorded from the Brazilian state of Santa Catarina.
Three new species of Phaea Newman, 1840 (Coleoptera: Cerambycidae) are described from Mexico: P.quadrimaculata Wappes and Santos-Silva, new species; P.aurantia Wappes and Santos-Silva, new species; and the third, P.tavakiliani Wappes and Santos-Silva, new species, whose specimens were found within the type series of Phaea rufiventris Bates, 1872. Hence, a lectotype is designated for the latter and the new species is described herein.