Phthitia (subgenus)Phthitia is a subgenus of flies belonging to the family Sphaeroceridae.SpeciesP. alexandri Richards, 1955P. charpentieri Marshall & Smith, 1995P. cortesi Marshall & Smith, 1995P. gonzalezi Marshall & Smith, 1995P. miradorensis Marshall & Smith, 1995P. sanctaehelenae P. selkirki P. venosa Enderlein, 1938