The colony abundance study an rock bee, Apis dorsata F. was carried out round the year during 1994-95 and 1995-96 in and around Dharwad (Karnatak). The results indicated that the colony abandonee on terrestrial nesting sites was maximum (18.81%) during November followed by October. The least adundonce was noticed during Fabruary (2,49%). Similerly, the colony abundance on arboreal nesting sites was highest during November (17.41%) fallowed by October and least during January (3.17%) . In general, the rock bee colony abundance was more on terrestrial sites (16.17%) as compared to arboreal (3.16) sites.