In situ probing of Xylella fastidiosa in honeydew of a xylem sap-feeding insect using 16S rRNA-targeted fluorescent oligonucleotides - Rodrigues, J L M; Silva-Stenico, Maria Estela; Souza, A N; Lopes, João Roberto Spotti; Tsai, Siu Mui (Environmental Microbiology, 2006)