APPENDIX 1. DRC bee endemism by province. The province of Haut-Katanga shows the highest level of endemism. The figures in square brackets indicate the number of specimens curated at the RMCA for the corresponding endemic species.

APPENDIX 1. DRC bee endemism by province. The province of Haut-Katanga shows the highest level of endemism. The figures in square brackets indicate the number of specimens curated at the RMCA for the corresponding endemic species.
Num.	Provinces	Endemism species richness	Species [#Specimens in RMCA]
1	Haut-Katanga (Latitude: 7° – 13°S; Longitude: 25° – 29° E)	7	Megachile (Creightonella) paracantha (Pasteels, 1965) [1]; Megachile (Eutricharaea) paupera Pasteels, 1965 [0]; Megachile (Megella) exsecta Pasteels, 1965 [0]; Megachile (Pseudomegachile) cupreohirta Cockerell, 1933 [0]; Megachile (Pseudomegachile) parabukamensis (Pasteels, 1965) [0]; Megachile (Eurymella) bredoi Cockerell, 1935 [4]; Osmia reginae Cockerell, 1932 [1]
2	Equateur (Latitude: 1°S – 2°N; Longitude: 16° – 20° E)	3	Megachile (Callomegachile) ambigua (Pasteels, 1965) [1]; Megachile (Anodonteutricharaea) maculosella Pasteels, 1965 [1]; Megachile chapini (Cockerell, 1935) [0]
3	Bas-Uele (Latitude: 2° – 5°N; Longitude: 22° – 27° E)	2	Megachile (Callomegachile) punctolineata Cockerell, 1935 [0]; Megachile (Stellenigris) vandeveldii (Meunier, 1888) [0]
4	Maniema (Latitude: 0° – 4°S; Longitude: 25° – 29° E)	2	Heriades (Heriades) burgeoni Benoist, 1931 [0]; Megachile (Anodonteutricharaea) pinguicula Pasteels, 1966 [0]
5	Haut-Uele (Latitude: 1° – 5°N; Longitude: 27° – 30° E)	1	Megachile (Anodonteutricharaea) pinguicula Pasteels, 1965 [0]
6	Lualaba (Latitude: 7° – 11°S; Longitude: 21° – 27° E)	1	Megachile (Eutricharaea) ornithica Cockerell, 1937 [0]
7	Sankuru (Latitude: 1° – 5°S; Longitude: 22° – 24° E)	1	Megachile (Creightonella) ruda (Pasteels, 1965) [0]
8	Sud-Ubangi (Latitude: 2° – 4°S; Longitude: 18° – 20° E)	1	Megachile (Creightonella) ruda (Pasteels, 1965) [0]