Cerapachys & Leptogenys Genera JAD Mandibles thin & long sword-like with only few teeth at the reduced extremity Bases of the mandibles wide, on the prolongation of the lateral border of the cranium Japan JAD JAD PE relatively wide, anterodorsal corners angulate Whole body black: C. daikoku Japan JAD PE nearly as long as wide, anterodorsal corners rounded PN not margined anteriorly by a carina in d-lview: C. humicola JAD Body pale to dark brown Japan JAD PN margined anteriorly by a weak carina in d-lview JAD If (a) t2 longer than PE + t1 together: C. biroi, else C. hashimotoi