As urban areas keep spreading in tropical Asia, global hotspots of biodiversity will undergo severe habitat changes. However, cities like Macau, one of the most heavily populated urban area, might still host important communities of insects like ants, several of them unknown to science. Recently I published a checklist of Macau ants, but more unknown species are expected to be found which will be the focus of this project. Overall, this will increase our knowledge on ant diversity in Asia.