12–17 Cylindrogaster sp. 1 (female): habitus (12), spiny ridges (indicated by the blue arrowheads) on the mesothorax (13), wing base of the left hindwing (14), and genital regions (15–17) 18–21 Cylindrogaster sp. 2 (female): habitus (18), spiny ridges (indicated by the blue arrowheads) on the mesothorax (19), fustis of the left hindwing (20), and genital regions (21) 22 Cylindrogaster sp. (nymph): detail of cercus. Scale bars 3 mm for Figs 12, 18; 0.5 mm for Figs 13–15, 19–22; 200 μm for Figs 16, 17.