Frontmatter -- Table of Contents -- List of Plates -- List of Figures -- Systematic Index -- Abstract -- Acknowledgments -- Introduction -- Materials and Methods -- General Morphology of Adult Females -- Revision of the Tribe Serrolecaniini -- Revision of Various Genera of Sphaerococcinae, The "Legless Mealybugs" -- Additional Changes and Species of Uncertain Placement -- Discussion -- References Cited -- Index to Host Plants -- Index to Scale Insect Taxa