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We report the results of a nine-year study (1990-1998), aimed at determining the distribution of fruit flies (Diptera: Tephritidae) and identify their host plants in Veracruz, Mexico. Twenty Anastrepha species, Toxotrypana curvicauda and several unidentified Hexachaeta species were captured in McPhail traps. Among the 20 Anastrepha species, A. limae, A. dentata, and A. canalis are new records for Veracruz. Out of a total of 51 species of native, wild plants and exotic, cultivated plants collected in Veracruz, Mexico (representing 3,736 kg of fruit), 34 were infested by 13 Anastrepha species, 4 plants were infested by 4 Rhagoletis species, 2 plants were infested by Toxotrypana curvicauda, and one by an undescribed Hexachaeta species. Our observations include new host plant records for Anastrepha hamata (larvae feed only on seeds), A. bahiensis, A. chiclayae, A. fraterculus, A. obliqua, T. curvicauda …