The latitudinal distribution of 79 of the 82 species of Tabanidae know from Quebec is presented and discussed. Six genera are present in the temperate life zone: Chrysops (30 species), Hybomitra (22 species), Tabanus (13 species), Atylotus (3 species), Stonemyia (2 species) and Haematopota (1 species). Twenty-seven species have their northern limit in this zone and 3 their southern limit of distribution. Tabanus and Haematopota reach their general northern limit in the Subarctic life zone; Atylotus and Chrysops in the Hemiarctic life zone. Only 4 species of Hybomitra are known to be present in the true Arctic life zone.
