New species, new synonymies, a new rank, and new records in Desmiphorini, Saperdini, and Hemilophini (Coleoptera: Cerambycidae: Lamiinae)

New information is presented for Neotropical Cerambycidae (Coleoptera). Dolichestola vittipennis Breuning, 1948 is synonymized with D. annulicornis Breuning, 1942, and the species is newly recorded from the Brazilian state of São Paulo. Dolichestola densepunctata Breuning, 1942 is newly recorded from Venezuela and Brazil, and the difference between it and D. annulicornis is reported. Mecas skillmani Santos-Silva and Androw, new species, is described from Mexico (Jalisco). Pannychella callicera (Bates, 1881) is illustrated, and notes on the genus and species are provided. Pannychis Thomson, 1864 is considered a genus different from Mecas LeConte, 1852, and notes on the genus and P. sericea Thomson, 1864, new combination, are given; therefore, Mecas has no subgenera. Pannychina Gilmour, 1962 is synonymized with Dylobolus Thom­son, 1868, and Pannychina atripennis (Bates, 1885) is synonymized with Dylobolus rotundicollis Thomson, 1868