Map distribution of C. femorata and C. tornata. C. femorata represented by green circle (Gose 1969), blue circle (Tshernova 1972), gray circle (Jacobus 2005) and yellow square (Martynov et al. 2019); C. tornata represented by red triangular. Localities of C. femorata in China are not reported on the map as the species was mentioned from China by Xie et al. 2009 but without further information.