| Head-capsule design and mandible control in beetle larvae: a three-dimensional approach. | |
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MedLine Citation:
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PMID: 10723076 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This work provides the morphological basis of mandible kinematics of beetle larvae with different types of head capsules, orientation of mouthparts, mandible design, and feeding behavior. Short descriptions are provided for the hypognathous head of Liocola marmorata (Scarabaeidae), the prognathous head of Cybister lateralimarginalis (Dytiscidae), and the hyperprognathous head of Hydrophilus piceus (Hydrophilidae). Using 3D measurements of a set of points selected on the head, 3D models of head capsules and mandible articulations were made for the larvae of these three species. Further calculations of the models showed differences in spatial positions of mandible axes and insertion points of mandible muscles. Functional consequences of these differences and evolutionary aspects of changes in head design and mandible articulations are discussed. It is suggested that the approach used in this study may be useful for further comparative studies of mandible mechanics of a broad variety of insect taxa. |
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Authors:
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S Gorb; R G Beutel |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of morphology Volume: 244 ISSN: 0362-2525 ISO Abbreviation: J. Morphol. Publication Date: 2000 Apr |
Date Detail:
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Created Date: 2000-06-02 Completed Date: 2000-06-02 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0406125 Medline TA: J Morphol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1-14 Citation Subset: IM |
Copyright Information:
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Copyright 2000 Wiley-Liss, Inc. |
Affiliation:
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Max-Planck-Institut für Entwicklungsbiologie, Tübingen, Germany. stas.gorb@tuebingen.mpg.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Beetles / anatomy & histology* Biomechanics Feeding Behavior Head / anatomy & histology Larva Mandible / anatomy & histology Morphogenesis |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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