Scutacaridae de la savane de Lamto (Cote d lvoire). (Acariens: Tarsonemida). 1. Donnees quantitatives sur le peuplement, liste des especes de Scutacarinae, description de trois especes nouvelles. - I. Quantitative data conceming the populations, list of Scutacarinae species, with descriptions of three new species. A quantitative sampling programm of micro-arthropods took place in the savanna of the Lamto Tropical Ecological Laboratory; sorne quantative data concerning the Scutacarid mites are presented. The Scutacarinae species obtained from two plots sampled are listed. Three new species are described: Scutacarus longicaudus, S. mediotarsus, S. striolatus.