Comparative whole-body kinematics of closely related insect species with different body morphology

Theunissen L, Bekemeier H, Dürr V (2015)
Journal of Experimental Biology 218(3): 340-352.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Legged locomotion through natural environments is very complex and variable. For example, leg kinematics may differ strongly among species, but even within the same species it is adaptive and context-dependent. Inter-species differences in locomotion are often difficult to interpret, because both morphological and ecological differences among species may be strong and, as a consequence, confound each other's effects. In order to understand better how body morphology affects legged locomotion, we compare unrestrained whole-body kinematics of three stick insect species with different body proportions, but similar feeding ecology: Carausius morosus, Aretaon asperrimus and Medauroidea extradentata (= Cuniculina impigra). In order to co-vary locomotory context, we introduced a gradually increasing demand for climbing by varying the height of stairs on the set-up.The species were similar in many aspects, for example in using distinct classes of steps, with minor differences concerning the spread of corrective short steps. Major differences were related to (1) antenna length, (2) segment lengths of thorax and head, and (3) the ratio of leg length over body length: (1) Whereas all species continuously moved their antennae, only Medauroidea executed high swing movements with its front legs to search for obstacles in the near-range environment. (2) Whereas all species adjusted their body inclination, the range in which body segments moved differed considerably, with longer thorax segments tending to be moved more. (3) Finally, leg posture, time courses of leg joint angles and intra-leg coordination differed most strongly in long-legged Medauroidea.
Stichworte
Cuniculina; Aretaon; Carausius; Medauroidea; stick insect; motion capture; leg coordination; locomotion; kinematics; insect
Erscheinungsjahr
2015
Zeitschriftentitel
Journal of Experimental Biology
Band
218
Ausgabe
3
Seite(n)
340-352
ISSN
0022-0949
eISSN
1477-9145
Page URI
https://pub.uni-bielefeld.de/record/2706187

Zitieren

Theunissen L, Bekemeier H, Dürr V. Comparative whole-body kinematics of closely related insect species with different body morphology. Journal of Experimental Biology. 2015;218(3):340-352.
Theunissen, L., Bekemeier, H., & Dürr, V. (2015). Comparative whole-body kinematics of closely related insect species with different body morphology. Journal of Experimental Biology, 218(3), 340-352. doi:10.1242/jeb.114173
Theunissen, Leslie, Bekemeier, Holger, and Dürr, Volker. 2015. “Comparative whole-body kinematics of closely related insect species with different body morphology”. Journal of Experimental Biology 218 (3): 340-352.
Theunissen, L., Bekemeier, H., and Dürr, V. (2015). Comparative whole-body kinematics of closely related insect species with different body morphology. Journal of Experimental Biology 218, 340-352.
Theunissen, L., Bekemeier, H., & Dürr, V., 2015. Comparative whole-body kinematics of closely related insect species with different body morphology. Journal of Experimental Biology, 218(3), p 340-352.
L. Theunissen, H. Bekemeier, and V. Dürr, “Comparative whole-body kinematics of closely related insect species with different body morphology”, Journal of Experimental Biology, vol. 218, 2015, pp. 340-352.
Theunissen, L., Bekemeier, H., Dürr, V.: Comparative whole-body kinematics of closely related insect species with different body morphology. Journal of Experimental Biology. 218, 340-352 (2015).
Theunissen, Leslie, Bekemeier, Holger, and Dürr, Volker. “Comparative whole-body kinematics of closely related insect species with different body morphology”. Journal of Experimental Biology 218.3 (2015): 340-352.

3 Zitationen in Europe PMC

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PMID: 28597315
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Stick Insect Locomotion
Theunissen L, Bekemeier H, Dürr V (2014)
Bielefeld University.
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