FIGURES 8–11. Perigomphus spp. 8 in Perigomphus basicornis sp. nov. (Odonata: Gomphidae) from Anchicayá, Colombia

FIGURES 8–11. Perigomphus spp. 8) Dorsal view of S10 and caudal appendages of male of P. angularis; 9) the same, lateral view; 10) Dorsal view of S10 and caudal appendages of male of P. pallidistylus; 11) the same, lateral view. a = arm of epiproct, Ce = cerci, Ep = epiproct, ma = medial angle, p = baso-lateral process of cerci, Pr =dorsolateral process of paraproct, san = subapical notch, sbvp = sub-basal ventral projection of cerci. Figs. 8–9 after Tennessen (2011); Figs. 10–11 after Belle (1972).