FIGURES 18−25. 18−22 in Four new species of Rhagovelia in the robusta group from Colombia (Hemiptera: Heteroptera: Veliidae)

FIGURES 18−25. 18−22, Structural details of Rhagovelia imperatrix sp. n. 18−20 male. 18, hind femur, ventral view. Scale 0.25 mm; 19, paramere (setae omitted). Scale 0.05 mm; 20, proctiger. Scale 0.05 mm; 21−22. Female, 21 abdomen, lateral view. Scale 0.1 mm; 22, hind femur. Scale 0.25 mm. 23−25, Male parameres of species in the robusta group from Colombia (after Polhemus 1997, setae omitted). 23 R. zeteki, 24 R. sinuata, 25 R. venezuelana. Figures not to scale.