Figures 19–39 in Taxonomic revision of Old World members of the feather louse genus Columbicola (Phthiraptera: Ischnocera), including descriptions of eight new species

Figures 19–39. Columbicola tschulyschman: (19) male genitalia; (20) female dorsal head; (21) female ventral terminalia. C. turturis: (22) male genitalia; (23) female ventral terminalia. C. keleri: (24) male genitalia; (25) female ventral terminalia. C. guimaraesi: (26) male dorsal head; (27) male genitalia; (28) female dorsal head; (29) female ventral terminalia. C. grandiusculus: (30) male dorsal head; (31) male genitalia; (32) female ventral terminalia. C. vitiensis: (33) male genitalia; (34) female ventral terminalia. C. meinertzhageni: (35) male dorsal head; (36) female dorsal head; (37) male genitalia; (38) female ventral terminalia. C. browni: (39) male dorsal head.