Key to species of the Ceropales maculata -group of the West Palaearctic

a) male: genitalia as Fig. 3A; clypeus of uniform light coloration (Fig. 2A).

- female: antennal segment 1 (scapus) more slender, distinctly longer than broad; tibia 3 with at most only apical edge darkened (Fig. 1B).................................................................................... C. pallida

b) male: genitalia as Fig. 3B; clypeus with dark median longitudinal stripe (Fig. 2B).

- female: antennal segment 1 (scapus) less slender, only slightly longer than broad; tibia 3 with apical third darkened (Fig. 1C).......................................................................................... C. maculata