Chemical defense in Platyphora kollari Baly and Leptinotarsa behrensi Harold (Coleoptera: Chrysomelidae). Hypotheses on the origin and evolution of leaf beetles toxins V. PlasmanM. PlehiersJ. M. Pasteels Pages: 107 - 112
Pyrrolizidine alkaloids and pentacyclic triterpene saponins in the defensive secretions of Platyphora leaf beetles Jacques M. PasteelsArnaud TermoniaThomas Hartmann Pages: 113 - 120
Anti-sense expression of putrescine N-methyltransferase confirms defensive role of nicotine in Nicotiana sylvestris against Manduca sexta Claudia VoelckelTamara KrügelIan T. Baldwin Pages: 121 - 126
Horizontal transmission of biosynthetic capabilities for pederin in Paederus melanurus (Coleoptera: Staphylinidae) Rupert L. L. Kellner Pages: 127 - 130
Chemical studies of porostome nudibranchs: comparative and ecological aspects Margherita GavagninErnesto MolloGuido Cimino Pages: 131 - 136
Jasmonic acid treatment and mammalian herbivory differentially affect chemical defenses and growth of wild mustard (Brassica kaber) Donald F. CipolliniMichelle L. Sipe Pages: 137 - 143
Sensilla on cabbage root fly tarsae sensitive to egg-associated compounds Ruurd de JongErich Städler Pages: 145 - 147
Evidence for a female sex pheromone mediating male trailing behavior in the red-sided garter snake, Thamnophis sirtalis parietalis Michael P. LeMasterRobert T. Mason Pages: 149 - 152