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Chemoecology of insect eggs and egg deposition
1 online resource (xx, 390 pages) : illustrations (some color)
The fascinating research field of chemoecology of insects mainly considers larval and adult states, while insect eggs have been somewhat neglected up to now. However, as immobile stages the eggs are highly vulnerable and need to cope with numerous problems such as predation, parasitisation, pathogen infection and plant and host defences. How do they face these dangers? Insects have been shown to endow their eggs with various naturally occurring chemicals that deter or poison enemies. These chemicals may be produced either by the insects themselves or their endosymbionts, or they may be obtained from host only on the protective power of the eggs themselves, but also on the site where they have been laid. The ovipositing female is known to be informed by numerous infochemicals about the suitability of sites for egg deposition and development. This is the first book focusing on the chemoecology of insect eggs and egg deposition. The much-needed synthesis of a broad array of facets of this topic includes molecular, chemical, physiological, morphological, ecological and evolutionary aspects. A wide range of different insects is addressed: herbivorous and carnivorous insects, social insects, and those of medical and veterinary importance. The knowledge compiled in this book may promote future studies on evolutionary aspects of insect reproductive behaviour as well as on controlling insect pests by targeting the egg stage. Thus, it may provide important information for researchers interested in both fundamental and applied research, as well as also for readers who are just fascinated by the multiple facets of the chemoecology of insects.
Cover -- Contents -- List of Contributors -- Acknowledgements -- Chemoecology of Insect Eggs and Egg Deposition: An Introduction -- Chemoecology of Insect Eggs -- Chapter 1 Novel Morphological and Physiological Aspects of Insect Eggs -- 1.1 Introduction -- 1.2 Structure, Microstructure and Physiology of Eggs and Eggshells in Various Insect Orders -- 1.3 Cell Types that Participate in Egg Formation: Panoistic and Meroistic Ovarioles -- 1.4 Formation of Egg Polarity -- 1.5 Vitellogenesis: How Does the Yolk Get into the Egg? -- 1.6 Eggshell Morphogenesis -- 1.7 Eggshell Composition and Assembly -- 1.8 Nurse Cells and Follicle Cells Programmed Cell Death -- 1.9 Concluding Remarks -- 1.10 Acknowledegments -- 1.11 References -- Chapter 2 Insect Accessory Reproductive GIands: Key Players in Production and Protection of Eggs -- 2.1 Introduction -- 2.2 Development and Structure of Accessory Reproductive Glands (= ARC) -- 2.3 Functions and Biochemistry of ARG Products -- 2.4 Concluding Remarks -- 2.5 Acknowledgements -- 2.6 References -- Chapter 3 Chemical Protection of Insect Eggs -- 3.1 Introduction -- 3.2 Defensive Components of Intrinsic Origin -- 3.3 Defensive Components of Extrinsic Origin -- 3.4 Chemical Defence and Egg Cannibalism -- 3.5 Concluding Remarks -- 3.6 Acknowledgements -- 3.7 References -- Chapter 4 Paternal Investment in Egg Defence -- 4.1 Introduction -- 4.2 Enemies of Insect Eggs -- 4.3 Types of Egg Defences -- 4.4 Chemical Defences: Cantharidin -- 4.5 Chemical Defences: Pyrrolizidine Alkaloids -- 4.6 Chemical Defences: Cucurbitacins -- 4.7 The Issue of Paternity -- 4.8 When Defence Backfires -- 4.9 Other Paternal Contributions -- 4.10 Puddling -- 4.11 Concluding Remarks -- 4.12 Acknowledgements -- 4.13 References -- Chapter 5 Brood Protection in Social Insects -- 5.1 Introduction -- 5.2 Interspecific Brood Defence -- 5.3 lntraspecific Brood Defence -- 5.4 Concluding Remarks -- 5.5 Acknowledgements -- 5.6 References -- Chapter 6 The Role of Microorganisms for Eggs and Progeny -- 6.1 Introduction -- 6.2 Insect Adaptations towards Transmission of Symbiotic Microorganisms -- 6.3 Infections which Reduce Survival of the Host -- 6.4 Attraction of Gravid Females towards Oviposition Sites by Cues of Microorganisms -- 6.5 Beneficial Effects of Microorganisms for Eggs and Progeny -- 6.6 Concluding Remarks -- 6.7 Acknowledgements -- 6.8 References -- ChemoecoIogy of Egg Deposition -- Chapter 7 Plant Chemical Cues Important for Egg Deposition by Herbivorous Insects -- 7.1 Introduction -- 7.2 8220;Insect Active8221; Compounds in Plants -- 7.3 Characteristics of 8220;Insect Active8221; Plant Compounds -- 7.4 Insects' Responses to Plant Chemicals -- 7.5 Oviposition and Chemoreception -- 7.6 Concluding Remarks -- 7.7 Acknowledgements -- 7.8 References -- Chapter 8 The Plant8217;s Response towards Insect Egg Deposition -- 8.1 Introduction -- 8.2 Plant Tissue: Changes in Response towards Oviposition -- 8.3 Plant Surface Chemicals: Changes in Response towards Oviposition -- 8.4 Plant Volatiles: Changes in Response towards Oviposition -- 8.5 Concluding Remarks -- 8.6 Acknowledgements -- 8.7 References -- Chapter 9 Oviposition Pheromones in Herbivorous and Carnivorous Insects -- 9.1 Introduction -- 9.2 Oviposition Deterring Pheromon.
Monika Hilker, Torsten Meiners (editors).
Includes bibliographical references and indexes.
Oxford, UK ; Malden, MA : Blackwell Pub., c2002