Abstracts - Deutsche Zoologische Gesellschaft
Abstracts - Deutsche Zoologische Gesellschaft Abstracts - Deutsche Zoologische Gesellschaft
72 Morphology SymposiumO MO.15 (Mo) - DEExpert climbers: biomechanics of surface attachment in insectsWalter FederleDepartment of Zoology, University of Cambridge, UKMany insects are capable of climbing on smooth and often slippery plant surfaces, carrying loadsand withstanding detachment forces of more than 100 times their own body weight. The mechanismsof how this impressive performance is achieved are still poorly understood. Insect foot pads broadlydivide into two principal groups, namely ‘hairy’ and ‘smooth’ pads. In both groups, control of attachmentand detachment during locomotion is largely passive and involves sophisticated mechanicalsystems. A key mechanism for the control of attachment and detachment during locomotion is thedirectional dependence of attachment devices, which make contact when pulled towards the bodybut detach when pushed away from it. Nevertheless, many climbing insects use their feet for pushing,even on smooth substrates. They do this by walking on different parts of the foot, using pads onthe proximal tarsus for pushing and pads at its distal end for pulling. Insect adhesion is mediated bysmall volumes of fluid secreted into the pad contact zone. This secretion does not generally increaseattachment except on rough substrates, where it helps to maximise contact area. Adhesive padsexhibit considerable static friction even when secretion has accumulated. Insects appear to preventsliding by virtue of the non-Newtonian properties of their two-phasic adhesive secretion rather thanthrough direct contact between the cuticle and the substrate.
Neurobiology Symposium 73Neurobiology Symposium
- Page 26 and 27: 22 Behavioral Biology Symposium
- Page 28 and 29: 24 Behavioral Biology SymposiumO BB
- Page 30 and 31: 26 Behavioral Biology SymposiumO BB
- Page 32 and 33: 28 Behavioral Biology SymposiumO BB
- Page 34 and 35: 30 Developmental Biology Symposium
- Page 36 and 37: 32 Developmental Biology SymposiumO
- Page 38 and 39: 34 Developmental Biology SymposiumO
- Page 40 and 41: 36 Developmental Biology Symposium
- Page 42 and 43: 38 Evolutionary Biology Symposium
- Page 44 and 45: 40 Evolutionary Biology SymposiumO
- Page 46 and 47: 42 Evolutionary Biology SymposiumO
- Page 48 and 49: 44 Evolutionary Biology SymposiumO
- Page 50 and 51: 46 Evolutionary Biology SymposiumO
- Page 52 and 53: 48 Evolutionary Biology SymposiumO
- Page 54 and 55: 50 Evolutionary Biology SymposiumO
- Page 56 and 57: 52 Ecology Symposium
- Page 58 and 59: 54 Ecology SymposiumO EC.3 (Sa) - E
- Page 60 and 61: 56 Ecology SymposiumO EC.7 (Sa) - E
- Page 62 and 63: 58 Ecology SymposiumO EC.11 (Sa) -
- Page 64 and 65: 60 Ecology SymposiumO EC.15 (Mo) -
- Page 66 and 67: 62 Ecology Symposium
- Page 68 and 69: 64 Morphology Symposium
- Page 70 and 71: 66 Morphology SymposiumO MO.3 (Su)
- Page 72 and 73: 68 Morphology SymposiumO MO.7 (Mo)
- Page 74 and 75: 70 Morphology SymposiumO MO.11 (Mo)
- Page 78 and 79: 74 Neurobiology Symposium
- Page 80 and 81: 76 Neurobiology SymposiumO NB.3 (Su
- Page 83 and 84: Physiology Symposium 79Physiology S
- Page 85 and 86: Physiology Symposium 81O PH.1 (Sa)
- Page 87 and 88: Physiology Symposium 83O PH.5 (Sa)
- Page 89 and 90: Physiology Symposium 85O PH.9 (Sa)
- Page 91 and 92: Physiology Symposium 87especially c
- Page 93: Physiology Symposium 89O PH.17 (Mo)
- Page 96 and 97: 92 Zoological Systematics Symposium
- Page 98 and 99: 94 Zoological Systematics Symposium
- Page 100 and 101: 96 Zoological Systematics Symposium
- Page 102 and 103: 98 Zoological Systematics Symposium
- Page 104 and 105: 100 Zoological Systematics Symposiu
- Page 106 and 107: 102 Zoological Systematics Symposiu
- Page 108 and 109: 104 Behavioral Biology Posters
- Page 110 and 111: 106 Behavioral Biology PostersP BB.
- Page 112 and 113: 108 Behavioral Biology PostersP BB.
- Page 114 and 115: 110 Behavioral Biology PostersP BB.
- Page 116 and 117: 112 Behavioral Biology PostersP BB.
- Page 118 and 119: 114 Behavioral Biology PostersP BB.
- Page 120 and 121: 116 Behavioral Biology PostersP BB.
- Page 122 and 123: 118 Developmental Biology Posters
- Page 124 and 125: 120 Developmental Biology PostersP
Neurobiology Symposium 73Neurobiology Symposium
Change language