Contents -- Foreword by Bert Hölldobler -- Preface -- 1. Darwin's Dilemma and the Spirit of the Hive -- 1.1 Natural History of the Honey Bee -- 1.2 Summary Comments -- 2. What Is the Spirit of the Hive? -- 2.1 Stimulus-Response Basis of Behavior -- 2.2 Th e Logic of Division of Labor -- 2.3 Case Studies -- 2.4 Adaptive Fine Tuning of Division of Labor -- 2.5 From Stone Soup to Mulligan Stew -- 2.6 Summary Comments -- 3. Individual Variation in Behavior -- 3.1 Genetic Variation and Behavior -- 3.2 Polyandry in the Honey Bee -- 3.3 Genetic Recombination in Honey Bees -- 3.4 Genetic Variation Is Necessary for Evolution -- 3.5 Genetic Variation for Worker Behavior -- 3.6 Behavioral Plasticity and Constraints -- 3.7 Genetic and Behavioral Dominance -- 3.8 Behavioral Plasticity and Colony Resilience -- 3.9 Laying-Worker Behavior -- 3.10 Summary Comments -- 4. The Evolution of Polyandry -- 4.1 Why Do Queens Mate with So Many Males? -- 4.2 Sex Determination and Polyandry -- 4.3 Pathogens and Parasites -- 4.4 Genotypic Diversity and Division of Labor -- 4.5 A Pluralistic View of the Evolution of Polyandry -- 5. The Phenotypic Architecture of Pollen Hoarding -- 5.1 Levels of Biological Organization -- 5.2 Selective Breeding for Pollen Hoarding -- 5.3 Individual Behavior -- 5.4 Sensory-Response Systems -- 5.5 Associative Learning -- 5.6 Nonassociative Learning -- 5.7 Motor Activity -- 5.8 Neurobiochemistry -- 5.9 Anatomy of Worker Ovaries and Vitellogenin -- 5.10 Phenotypic Architecture of Males -- 5.11 Phenotypic Architecture of Africanized Honey Bees -- 5.12 A Pollen-Hoarding Syndrome -- 6. The Genetic Architecture of Pollen Hoarding -- 6.1 Background -- 6.2 Mapping Pollen Hoarding -- 6.3 Verifi cation of Quantitative Trait Loci -- 6.4 Identification of Pln3 -- 6.5 Pln4 and Mapping the Interactionsof Pollen-Hoarding QTLs.

6.6 Mapping the Ovary and Juvenile Hormone Regulation by Vitellogenin -- 6.7 Candidate QTLs -- 6.8 Caveat -- 7. Reproductive Regulation of Division of Labor -- 7.1 Background -- 7.2 The Double-Repressor Model -- 7.3 The Reproductive-Ground-Plan Hypothesis and Early Experiments -- 7.4 How Vitellogen in Affects Onset of Foraging and Foraging Behavior -- 7.5 Evidence for the Reproductive-Ground-Plan Hypothesis -- 7.6 Difficulties with the Vitellogen in Foraging Model -- 7.7 Summary Comments -- 8. Developmental Regulation of Reproduction -- 8.1 Queen and Worker Phenotypes -- 8.2 Nurses and Larvae Share Developmental Programs -- 8.3 Developmental Signatures of Colony-Leve l Artificial Selection -- 8.4 Summary Comments -- 9. The Regulatory Architecture of Pollen Hoarding -- 9.1 Loading Algorithms -- 9.2 Heritability of the Pollen-Hoarding Syndrome -- 9.3 Social Regulation of Pollen Hoarding -- 10. A Crowd of Bees -- Acknowledgments -- Index.