FIGURES 19–22. 19–20 in Chewing lice of genus Myrsidea (Phthiraptera: Menoponidae) from Turdidae (Passeriformes) of Costa Rica, with descriptions of seven new species

FIGURES 19–22. 19–20, Myrsidea quinchoi: 19, female dorsoventral mesothorax, methathorax and abdomen. 20, male genital sac sclerite. 21–22, Myrsidea rohi from Cerro de la Muerte (Tapanti NP): 21, female dorsoventral mesothorax, methathorax and abdomen. 22, male genital sac sclerite. Scale bars = 0.5 mm for all figures.