A Study on the Wing Structure and Flapping Behavior of a Dragonfly.

Sudo, Seiichi; Tsuyuki, Koji; Ikohagi, Toshiaki; Ohta, Fukuo; Shida, Satoshi; Tani, Junji

doi:10.1299/jsmec.42.721

Cited by 32 publications

(22 citation statements)

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“…The significance of inspiration from nature for technical solutions has been regarded as biomimetics or bionics. Therefore, extensive investigations on the movements of many insects have been conducted by authors [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Aspects in the Relation between Locomotive Organs and Behavior of Beach Flea

Amano

Sudo

2013

J. Abmech

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An experimental study is presented outlining the mechanical aspects of biological locomotion in beach fleas. Two basic types of dynamic behavior of beach fleas were examined, and their locomotive organs were observed microscopically. The jumping and swimming of beach fleas were analyzed by the high-speed video camera system. The structural properties of swimming and leaping organs were also studied. In the experiment for the jumping analysis, the relation between the surface roughness of ground and the horizontal jump distance were examined. Mechanical aspects in the relation between locomotive organs and behavior of beach flea were considered.

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Section: Introductionmentioning

confidence: 99%

Mechanical Aspects in the Relation between Locomotive Organs and Behavior of Beach Flea

Amano

Sudo

2013

J. Abmech

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“…However, odonates are one of only two insect orders, the other being Blattodea, that make use of direct flight musculature to drive the wing's down stroke. The aptitude of odonates to a fast forward‐thrust flight powered by direct flight musculature coupled with the ability to hover in mid‐air and their relatively large size make them a favorite study organism for biomechanical studies oriented around insect flight (Wootton, 1991; Sudo et al., 1999; Kesel, 2001; Wootton, 2002, 2003). All odonates owe their flight ability to “smart” mechanisms such as the nodus that provide rigid support while maximizing aerodynamic properties of the wing (Wootton et al., 1998).…”

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Molecules, morphology and fossils: a comprehensive approach to odonate phylogeny and the evolution of the odonate wing

et al. 2008

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We undertook a comprehensive morphological and molecular phylogenetic analysis of dragonfly phylogeny, examining both extant and fossil lineages in simultaneous analyses. The legitimacy of higher-level family groups and the phylogenetic relationship between families were tested. Thirteen families were supported as monophyletic (Aeshnidae, Calopterygidae, Chlorocyphidae, Euphaeidae, Gomphidae, Isostictidae, Lestidae, Libellulidae, Petaluridae, Platystictidae, Polythoridae, Pseudostigmatidae and Synthemistidae) and eight as non-monophyletic (Amphipterygidae, Coenagrionidae, Corduliidae, Megapodagrionidae, Protoneuridae and Synlestidae), although Perilestidae and Platycnemididae were recovered as monophyletic under Bayesian analyses. Nine families were represented by one species, thus monophyly was not tested (Epiophlebiidae, Austropetaliidae, Chlorogomphidae, Cordulegastridae, Macromiidae, Chorismagrionidae, Diphlebiidae, Lestoideidae and Pseudolestidae). Epiprocta and Zygoptera were recovered as monophyletic. Ditaxinerua is supported as the sister lineage to Odonata, Epiophlebiidae and the lestid-like damselflies are sister to the Epiprocta and Zygoptera, respectively. Austropetaliidae + Aeshnidae is the sister lineage to the remaining Anisoptera. Tarsophlebia's placement as sister to Epiprocta or as sister to Epiprocta + Zygoptera was not resolved. Refinements are made to the current classification. Fossil taxa did not seem to provide signals crucial to recovering a robust phylogeny, but were critical to understanding the evolution of key morphological features associated with flight. Characters associated with wing structure were optimized revealing two wing character complexes: the pterostigma-nodal brace complex and the costal wing base & costal-ScP junction complex. In turn, these two complexes appear to be associated; the pterostigma-nodal brace complex allowing for further modification of the wing characters comprised within the costal wing base & costal-ScP junction complex leading the modern odonate wing.

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“…Therefore, extensive investigations on the motion of a great many animals have been conducted [1][2][3]. Authors also have been studying the insect flight [4][5][6][7], insect swimming [8][9][10], and insect jump [11][12][13] from the view point of dynamics. Through our previous studies, authors noticed the importance of the jump in animal evolution from the land to the sky.…”

Section: Introductionmentioning

confidence: 99%

On the Motility and Locomotive Organs of Beach Flea

et al. 2015

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Abstract-Some semiterrestrial beach fleas are capable of swimming movement using their pleopods in water. Movements of swimming organ in beach flea were examined by high-speed video camera system. The structural properties of terrestrial beach flea pleopods were studied through the measurements of some morphological parameters. The swimming legs of the beach flea were examined with a color 3D laser scanning microscope. The relation between morphology of pleopod and motility of the beach flea was considered.Index Terms-Bio-mechanics, Hydrodynamics, Beach flea, Swimming, Motility I. INTRODUCTIONIn the developments of biomimetics and bionics, the study of various functions of animals is of fundamental interest and importance with respect to a variety of technical developments. The motility is an important discriminate characteristic of animals. Therefore, extensive investigations on the motion of a great many animals have been conducted [1][2][3]. Authors also have been studying the insect flight [4][5][6][7], insect swimming [8][9][10], and insect jump [11][12][13] from the view point of dynamics. Through our previous studies, authors noticed the importance of the jump in animal evolution from the land to the sky. For example, the springtails jump, and can be carried away to strong wind in the sky.Beach fleas are semiterrestrial, and they inhabit in coastal environments. In beach fleas, the usual way to move is by walking, but jumping is also used to escape from predators or disturbance. The jumping and swimming movements of beach fleas were analyzed by the high-speed video camera system in our previous report [11]. The report, however, presents the results within the limited analysis conditions. Research data on the structural properties and morphological parameters of swimming legs of the beach flea are insufficient and there still remains a large unexplored domain.In this paper, the details of swimming movements of pleopod and morphological parameters in the beach flea are presented. The swimming mechanisms of the beach flea are also discussed. The results obtained here should provide useful clues for future research and the development of micro swimming robots. II. EXPERIMENTAL APPARATUS AND PROCEDURES A. Swimming AnalysisThe experiments of the beach flea swimming were conducted by use of a high-speed video camera system (Photron FASTCAM SA5). A block diagram of the experimental apparatus is shown in Fig.1. The experimental apparatus consists of the water container system and the high-speed video camera system. The rectangular container made of the transparent acrylic plastic with dimension 58 mm in height and 7 mm × 54 mm wide was used for free and tethered swimming analyses. The water container is to keep twodimensional movements of beach flea swimming. The container was filled with water for swimming. Swimming movements of beach flea were analyzed in two dimensional coordinate system. A series of frames of free swimming of beach flea were analyzed by a personal computer. A series of frames of leg rowing of ...

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A Study on the Wing Structure and Flapping Behavior of a Dragonfly.

Cited by 32 publications

References 1 publication

Mechanical Aspects in the Relation between Locomotive Organs and Behavior of Beach Flea

Mechanical Aspects in the Relation between Locomotive Organs and Behavior of Beach Flea

Molecules, morphology and fossils: a comprehensive approach to odonate phylogeny and the evolution of the odonate wing

On the Motility and Locomotive Organs of Beach Flea

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