Marlatt, C.L. 1903 Scale insects and mites on citrus trees.. Farmer's Bulletin (United States Department of Agriculture) No. 172: 1-43.
Notes: This paper discusses the influence of cultivation, pruning, climate, periodicity, injury, natural enemies, and chemical control. Species reviewed include Aspidiotus aurantii, Ceroplastes cirrepediformis, C. floridensis, Chionaspis citri, Dactylopius citri, Icerya purchasi, Lecanium hesperidum, L. oleae, Mytilaspis citricola, M. gloveri and Parlatoria pergandei.