chapter 1 Insect Symbiosis: An Introduction -- chapter 2 Bacteria and Other Symbionts of Aphids -- chapter 3 Comparative Genomics of Insect Endosymbionts -- chapter 4 Symbiosis in Tsetse -- chapter 5 Endosymbiosis in the Weevil of the Genus Sitophilus: Genetic, Physiological, and Molecular Interactions among Associated Genomes -- chapter 6 Rhodnius Profilixus and Its Symbiont, Rhodococcus rhodnii: A Model for Paratransgenic Control of Disease Transmission -- chapter 7 Bark Beetle�Fungus Symbioses -- chapter 8 Symbiotic Relationships of Tephritids -- chapter 9 Symbionts Affecting Termite Behavior -- chapter 10 Symbiosis of Microsporidia and Insects -- chapter 11 A New Bacterium from the Cytophaga-Flavobacterium- Bacteroides Phylum That Causes Sex-Ratio Distortion -- chapter 12 Inherited Microorganisms That Selectively Kill Male Hosts: The Hidden Players of Insect Evolution? -- chapter 13 Wolbachia pipientis: Impotent by Association -- chapter 14 Cytoplasmic Incompatibility -- chapter 15 Parthenogenesis Associated with Wolbachia -- chapter 16 Insights into Wolbachia Obligatory Symbiosis -- chapter 17 Symbiosis and the Origin of Species -- chapter 18 Discovery of Symbiont�Host Horizontal Genome Transfer: A Beetle Carrying Two Bacterial and One Chromosomal Wolbachia Endosymbionts.