Abstract
The noctuid genus Supralathosea Barnes & Benjamin (Noctuidae, Oncocnemidinae) is revised to include three species for the United States of America, Supralathoseababoquivariensis Barnes & Benjamin from southeast Arizona, Supralathoseayavapai sp. nov. from central Arizona, and Supralathoseasolastella sp. nov. from Texas. Two genera are described for species formerly included in Supralathosea. Infralathosea gen. nov. includes Infralathoseapronuba comb. nov. from Arizona and New Mexico and Infralathoseaunicornis sp. nov. from west Texas. Eulathosea gen. nov. contains only Eulathoseaobtusa Smith, comb. nov. from Arizona. A key to genera and species is presented and adults and genitalia of all taxa are illustrated. Infralathosea and Eulathosea are assigned to Oncocnemidinae based on molecular evidence.