The Finnish expedition 1961-1963 to the Sudan and Ethiopia collected 96 specimens of the genus Formicomus. Il species were identified of which two tentatively and three were hitherto unknown: F. caeruleipennis Laf., F. verschureni van Hille, F. angustiformis Fairm., F. mülleri Pic, F. lacustris Krek., F. vosseleri Pic, F. panelii n. sp., F. maigudensis n. sp., F. linnavuorii n. sp., ?F. chappuisi Pic and ?F. niveopilosus Pic. In addition, 9 different single females could not be identified.