Introduction: Surface Properties and their Functions in Biological Systems.- Protection and Defence.- Biological Properties of Fruit and Seed Slime Envelope: How to Live, Fly, and Not Die.- Easily Damaged Integument of Some Sawflies (Hymenoptera) is Part of a Defence Strategy Against Predators.- Anti–wetting.- Water Repellence in Gecko Skin: How Do Geckos Keep Clean?.- Anti-Wetting Surfaces in Heteroptera (Insecta): Hairy Solutions to Any Problem.- Water Repellent Properties of Spiders: Topographical Variations and Functional Correlates.- Dry in the Water: The Superhydrophobic Water Fern Salvinia – a Model for Biomimetic Surfaces.- Brochosomal Coatings of the Integument of Leafhoppers (Hemiptera, Cicadellidae).- Transport.- Pull, Push and Evaporate: The Role of Surfaces in Plant Water Transport.- Aerodynamics.- Molding and Carving Cell Surfaces: The Joke of a Fold and the Origin and Evolution of Feathers.- Acoustics.- Surface Structure of Sound Emission Organs in Urania Moths.- SensorySystems.- Functional Coupling of Cercal Filiform Hairs and Campaniform Sensilla in Crickets.- Optics.- Advanced Photonic Systems on the Wing-Scales of Lepidoptera.- Sub-micron Structures Causing Reflection and Antireflection in Animals.- Surface Colors of Insects: Wings and Eyes.- Butterfly Photonics: Form and Function.