Howard, L.O., & Marlatt, C.L. 1899 The original home of the San José scale.. United States Department of Agriculture, Division of Entomology, Bulletin 20: 36-39.
Howard, L.O., & Marlatt, C.L. 1899 The original home of the San José scale.. United States Department of Agriculture, Division of Entomology, Bulletin 20: 36-39.