Key to Scatimus species in Colombia based on Génier & Kohlmann (2003)

1. Carina of the head with lateral extremities posteriorly directed (62, Figs. 2E, F) ( Scatimus ovatus clade)................ 2

- Carina of the head with lateral extremities anteriorly directed (63, Figs. 2 A – D) ( Scatimus strandi clade)................ 3

2(1). Dorsal portion of the eye approximately twice as long as wide (80, Fig. 2E), coarse setiferous punctures of pronotum present in lateral fossae and anteriorly to fossae (131, Figs. 3A, B), apex of parameres swollen, more or less spherical (Figs. 4B, F)....................................................................................... Scatimus fernandezi

- Dorsal portion of the eye variable in size (82, Fig. 2F), coarse setiferous punctures of pronotum absent or variably distributed (133), apex of parameres flat and tapering into a point (Figs. 4A, E)................................ Scatimus ovatus