EN
A new species of the lycoperdinine genus Archipines (Endomychidae), Archipines boliviensis sp. nov. from Bolivia is described and illustrated. Archipines exsanguis sanestebani Tomaszewska is raised to a species level, as A. sanestebani Tomaszewska stat. nov., based on evidence revealed by SEM methods. Similarities and differences between species within a group containing also A. boliviensis and A. sanestebani which have in common: basal sulcus on pronotum visible and male abdominal ventrite 6 emarginate are discussed. An updated key to the known species of Archipines is presented.