Megachile (Callomegachile) indonesica ( Engel & Schwarz, 2011 )

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 : 48

19. Megachile (Callomegachile) indonesica ( Engel & Schwarz, 2011) , Indonesian Resin Bee

This forest-associated species was found from 2014 to 2015 in association with the bloom of tiger orchids at sites in or near to high quality forest, such as at Bukit Timah and Dairy Farm. Subsequently, it was recorded once by photography, visiting ornamental Duranta erecta at Upper Peirce Reservoir Park within the Central Catchment Nature Reserve in 2017, and visiting Teijsmanniodendron pteropodum in the Singapore Botanic Gardens in 2020.