Occurrence of Helicoverpa armigera (Hübner, 1808) on citrus in the state of Sao Paulo, Brazil - Bueno, Regiane Cristina Oliveira de Freitas; Yamamoto, Pedro Takao; Carvalho, Marina Mouzinho; Bueno, Nádia Maebara (Revista Brasileira de Fruticultura, 2014)