Abstract:
A new species of Acanthocinini, Pseudastylopsis santossilvai sp. nov., from Costa Rica and Panama, is described and illustrated. New geographical records for Costa Rica are provided and the species are illustrated: Plistonax pictus (Galileo & Martins, 2012) (Acanthoderini); Anisotyma soteri Napp & Monné, 2009 (Dryobiini); Placoeme vitticollis Chemsak & Linsley, 1964 (Oemini). New geographical records for Panama are provided and the species are illustrated: Atrypanius cinerascens (Bates, 1864) (Acanthocinini) and Ambonus electus (Gahan, 1904) and Anelaphus souzai (Zajciw, 1964) (Elaphidiini). The species-group name of Pseudastylopsis albus Pérez-Flores & Santos-Silva, 2021 is corrected.