Mesolecanium deltae Lizer y Trelles, 1917 y Lecanium perlatum Cockerell, 1898, son conocidas co mo plagas de citrus en Argentina, Brasil, Paraguay, y Uruguay. EI estudio deI materiailleva a la conclusion de que son sinonomos, y que la especie estaria mejor ubicada en el genero Parthenolecanium, por 10 que se propone a Parthenolecanium perlatum (Cockerell) como una nueva combinacion.Mesolecanium deltae Lizer y Trelles, 1917 and Lecanium perlatum Cockerell, 1898, are known as citrus pests in Argentina, Brasil, Paraguay and Uruguay. The study of the material leads to the conclusion that they are synonymous, and the species is better placed in the genus Parthenolecanium, so Parthenolecanium perlatum (Cockerell) is proposed as a new combination
