calcaratus: from Latin: calcar = spur
Syntypes: ZMB 8326 (2 specimens), 8328 (4 specimens), 8329, 8255 (2 specimens). Type Locality: "Cameruns (Victoria)", Cameroon.
Country records from Guinea Ecuatorial, Zaïre. Limits are: NORTH: Zaïre: Mobayi-Mbongo (04°18'N, 21°11'E) — SOUTH: Zaïre: Boma (05°51'S, 13°03'E) — WEST: Guinea Ecuatorial: Cape Saint Jean (01°10'N, 09°21'E) — EAST: Zaïre: Djalasinda (02°10'N, 30°39'E).