chapter 1 Insect symbionts and molecular phylogenetics / chapter 2 Self–nonself recognition in symbiotic interactions / chapter 3 Is symbiosis evolution influenced by the pleiotropic role of programmed cell death in immunity and development? -- chapter 4 Pleiotropy of adaptative genes: how insecticide resistance genes mediate outcomes of symbiosis -- chapter 5 Capsule-transmitted obligate gut bacterium of plataspid stinkbugs: a novel model system for insect symbiosis studies -- chapter 6 Endosymbiont that broadens food plant range of host insect / chapter 7 Insect–bacterium mutualism without vertical transmission / chapter 8 Mutualism revealed by symbiont genomics and bacteriocyte transcriptomics -- chapter 9 Endosymbionts of lice / chapter 10 Symbiotic Rickettsia / chapter 11 Structure and function of the bacterial community associated with the Mediterranean fruit fly -- chapter 12 Feminizing Wolbachia and the evolution of sex determination in isopods* -- chapter 13 Wolbachia-induced sex reversal in Lepidoptera / chapter 4 teen Wolbachia and Anopheles mosquitoes / chapter 15 Bacterial symbionts in Anopheles spp. and other mosquito vectors -- chapter 6 teen Symbiotic microorganisms in leafhopper and planthopper vectors of phytoplasmas in grapevine -- chapter 17 Paratransgenesis in termites / chapter 18 Insect facultative symbionts: biology, culture, and genetic modification.