Notes on distribution and host plants are presented for 78 species of Cerambycidae from southern México in the genera Aneflomorpha Casey, Anelaphus Linsley, Ataxia Haldeman, Canidia Thomson, Chemsakiella Monné, Clytopsis Casey, Cymatonycha Bates, Deltaspis Audinet-Serville, Dexithea Thomson, Ecyrus LeConte, Essostrutha Thomson, Euderces LeConte, Heterachthes Newman, Ironeus Bates, Ischnocnemis Thomson, Lagocheirus Dejean, Leptostylus LeConte, Lissonotus Dalman in Schoenherr, Lophalia Casey, Mecas (s. str.) LeConte, Mecotetartus Bates, Micropsyrassa Linsley, Mimolochus Thomson, Moneilema Say, Muscidora Thomson, Neocompsa Martins, Ochraethes Chevrolat, Oncideres Lacordaire, Parevander Aurivillius, Parmenonta Thomson, Paroxoplus Chemsak, Phaea Newman, Placosternus Hopping, Psapharochrus Thomson, Rhopalophora Audinet-Serville, Sphaenothecus Dupont, Stenaspis Audinet-Serville, Stenobatyle Casey, Stenosphenus Haldeman, Stenygra Audinet-Serville, Sternidius LeConte, Strangalia Audinet-Serville, Tanyochraethes Chemsak & Linsley, Tetraopes Dalman in Schoenherr, Thryallis Thomson, Tomentgaurotes Podany, Trachyderes (Dendrobias) Dupont in Audinet-Serville, Triacetelus Bates, Trichoxys Chevrolat and Tylosis LeConte. The data presented include 47 new state records, 47 new adult host records and 60 new flower records.