Fig. 2 Distribution of S. invicta records in Macao SAR by year of detection record, based on Brassard et al. (2021). Early records by media (Sohu, 2006; Epoch Times, 2005) are indicated by blue circles. The exact location of the first record in Macau in mid-February 2005 is unknown (Sohu, 2006). Fig. 3 Distribution of S. invicta in Hong Kong in terms of time recorded. Pictures A, B, and C highlight the different habitats in which the RIFA has been found: (A) urbanized areas, (B) fish pond trails, gei wais, and (C) farmlands and suburban areas. Blue circles show the first areas where detection occurred (China Daily, 2005): percentage of area occupied estimated assuming a buffer area extending 1 km from locations recorded. S.A. KHAN et al. Guénard, 2020; Wang et al., 2020). For example, areas it has infested in Beiliu City in Guangxi and Shenzhen City in Guangdong have experienced a reduction in native ant species by 33 and 46 percent, respectively (Lei et al., In China, S. invicta has negatively impacted the abundance and diversity of native ant species (Chan & 162 and functional diversity (Wong et al., 2021; Chan & Guénard, 2020; Lei et al., 2019).
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