Preface to the Progress Series; Preface to Volume X B; Contributors; Evolution of Steroid Hormones and Steroid-Hormone Receptors Gerd Kauser; Evolution of Developmental Peptide Hormones and Their Receptors Jozef Vanden Broack, Liliane Schoofs, and Arnold De Loof; Arthropoda-Insecta: Embryology August Dorn; Arthropoda-Insecta: Larval Development and Metamorphosis-Molecular Aspects Margarethe Spindler-Barth and Klaus-Deiter Spindler; Arthropoda-Insecta: Diapause David S. Saunders; Arthropoda-Insecta: Caste Differentiation Klaus Hartfelder; Arthropoda-Insecta: Endocrine Control of Phase...