Ceratina (Xanthoceratina) metaria Cockerell, 1920a

Ascher, John S., Soh, Zestin W. W., Chui, Shao Xiong, Soh, Eunice J. Y., Ho, Benjamin M., Lee, John X. Q., Gajanur, Anya R. & Ong, Xin Rui, 2022, The bees of Singapore (Hymenoptera: Apoidea: Anthophila): First comprehensive country checklist and conservation assessment for a Southeast Asian bee fauna, Raffles Bulletin of Zoology 70, pp. 39-64 : 50

38. Ceratina (Xanthoceratina) metaria Cockerell, 1920a , Bounded Small Carpenter

This small, forest-associated species has been found in forested areas, where it is known from Upper Peirce Reservoir Park, and from Pulau Ubin. It is likely to be overlooked due to its small size.