FIGURES 9–15. 9–11 in Chewing lice of the genus Myrsidea (Phthiraptera: Menoponidae) from New World warblers (Passeriformes: Parulidae) from Costa Rica, with descriptions of four new species

FIGURES 9–15. 9–11. Myrsidea paleno sp. nov. 9. Female dorsoventral thorax and abdomen. 10, Male sternite II. 11. Male genital sac sclerite. 12–15. Myrsidea zeledoni sp. nov. 12. Female dorsoventral thorax and abdomen. 13. Male sternite II. 14. Male genital sac sclerite. 15. Distorted male genital sac sclerite. Scales 0.50 mm (Figs. 9, 12), 0.10 mm (Figs. 10, 13), 0.05 mm (Figs. 11, 14, 15).