Alves José, L.A., Aranha, L.D., Macul, L.F., & Nakano, O. 1989 [Control of the scale Orthezia praelonga (Douglas, 1981) (Homoptera: Ortheziidae) with a new insecticide-acaricide Phenpropathrin in two citrus regions of São Paulo].. [Abstracts. 12th Brazilian Congress of Entomology. Vol. 2.] Resumos. XII Congresso Brasileiro de Entomologia. Vol. 2. Sociedade Entomológica do Brasil 264-575.

Notes: [Original title: Controle da cochonilha Orthezia praelonga (Douglas, 1891) (Homoptera: Ortheziidae) com o novo inseticida-acaricida fenpropathrin em duas regiões citrícolas do estado de São Paulo. Conference held in Belo Horizonte, Brazil on 22 to 27 January, 1989.] Chemical control recommendations are made for this scale species.