Borges, M.L.V., Vianna e Silva, M., & Sá, N. 1986 . National Agricultural Station, 50 years of activities, 1936-1986. Ministério da Agricultura, Pescas e Alimentaçao Agrária Oeiras, Portugal 41 pp.
Notes: Species mentioned include Pseudococcus citri, Saissetia oleae, S. coffeae, Quadraspidiotus perniciosus, Lepidosaphes beckii, Ceroplastes sinensis, Hemiberlesia rapax, Chrysomphalus dictyospermi, Kermes ilicis and K. vermilio.