Abstract ........................................................ 4
Introduction .................................................... 4
Taxonomic History ............................................. 7
Monophyly of Cassidinae ...................................... 12
Monophyly and Classification of Cassidinae s.str ............. 13
Monophyly and Classification of Hispinae s.str ............... 14
Biology of Cassidinae .......................................... 19
Diversity .................................................... 21
Biogeography ................................................. 28
Fossil History ............................................... 33
Host Plants .................................................. 36
Cassidines as Plant Pests .................................... 39
Cassidines as Biocontrol Agents .............................. 41
Other Ecological Aspects ..................................... 42
Trophic Patterns ............................................. 42
Extended Life Histories ...................................... 49
Movement on Leaves ........................................... 49
Endosymbiont Transmission .................................... 50
Gregariousness ............................................... 50
Cycloalexy ................................................... 50
Fecal Use in Cassidinae ...................................... 51
Pupae ........................................................ 53
Annual Cycle ................................................. 54
Courtship .................................................... 54
Sexual Dimorphism ............................................ 54
Maternal Care ................................................ 55
Flightlessness ............................................... 55
Color ........................................................ 55
Genetics ..................................................... 59
Aestivation and Dormancy ..................................... 59
Mass Migrations .............................................. 61
Defensive Mechanisms ....................................... 61
Stridulation ................................................. 62
Natural Enemies .............................................. 62
Conservation ................................................. 63
Materials and Methods .......................................... 63
Taxon Sampling and Preparation of Specimens .................. 63
Terminology and Character Analysis ........................... 66
Morphology of Cassidinae Immature Stages ..................... 67
Morphology of Cassidine Adults ............................... 74
Morphology of Adult Hemisphaerota palmarum ................... 74
Comparative Morphology of Adults ............................. 89
Phylogenetic Methods .......................................... 148
Results ....................................................... 152
Discussion .................................................... 166
Outgroup Structure: Position of Cassidinae within
Chrysomelidae ............................................. 166
Ingroup Structure: Monophyly of Cassidinae .................. 166
Systematics of Tribes ....................................... 170
Emergent Evolutionary Patterns .............................. 185
Conclusions ................................................... 188
Acknowledgments ............................................... 188
References .................................................... 189
Appendix 1. Taxon List for Adult Morphology and Phylogenetic
Analysis of Cassidinae ...................................... 234
Appendix 2. Information Sources for Morphology and Biology
of Immature in 170 Genera of Cassidinae ..................... 237
Appendix 3. Institutional Abbreviations:
List of Institutions and Responsible Individuals who
Provided Specimens for this Study ........................... 243
Appendix 4. Character List .................................... 244
Appendix 5. Clade Support Under Accelerated (Fast) and
Delayed (Slow) Character Transformations .................... 248
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