The sclerogibbid wasp genus Caenosclerogibba Yasumatsu, 1958 (Hymenoptera: Sclerogibbidae) and the species C. longiceps (Richards, 1958) are recorded for the first time in the Philippines. The discovery of Caenosclerogibba in the Philippines extends the range of the genus distribution from China and Japan downward to Southeast Asia. Caenosclerogibba longiceps is the second species of Sclerogibbidae recorded from the country.