Eight new species of the genus Masteria L. Koch, 1873, Striamea Raven, 1981 and 1879, Masteria L. Koch, genus Masteria L. Koch, 1873, Striamea Raven, 1981 and 1879, have been diagnosed and described from the Western Central Region of Colombia. November. (both genders), M. Luisisp. November. (Both sex), Striamea kimbanai sp. November. (both male and female), Linothele Sanuk sp. November. (both genders), L. Montanasp. November. (both genders), L. Hunapuisp. November. (both genders), L. ixbalanqueisp. November. (female), and L. Guarato sp. November. (woman). Plus, L. Tsachilas Dupérrré Et Tapia, 2015, and L. Archidonadupérreré Et Tapia, 2023 have been reported for the first time in Colombia. The above species were found in the departments of Lisaralda, Trima, Kindio, Barredel Coca and Putumayo in Colombia.