Cassino, P.C.R., de Lima, A.F., & Racca Filho, F. 1991 Orthezia praelonga Douglas, 1891 em plantas citricas no Brasil (Homoptera, Ortheziidae). [Orthezia praelonga Douglas, 1891 on citrus trees in Brazil (Homoptera, Ortheziidae).]. Arquivos da Universidade Federal Rural (Rio de Janeiro) 14(1): 35-57.

Notes: Abstract: Literature review of O. praelonga; taxonomic study; bioecology; list of about 146 hosts from 47 plant families; list of 20 natural enemies and fungi; monitoring techniques; distribution; 6-page list of references.