Mealybugs (Hemiptera: Pseudococcidae, Rhizoecidae and Xenococcidae) are important organisms for understanding processes of evolution, especially microbial symbiotic systems interactions with host plants. Molecular phylogenetic trees were reconstructed 128 species mealybug using DNA fragments eight loci, namely a mitochondrial (COI), nuclear ribosomal RNA (18S 28S D2 D10) protein-encoding genes ...