Journal
BIOLOGY OPEN
Volume 4, Issue 7, Pages 921-928Publisher
COMPANY BIOLOGISTS LTD
DOI: 10.1242/bio.012195
Keywords
Sting; Honey bee; Paper wasp; Penetration; Mechanical property; Biomimetics
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Funding
- National Natural Science Foundation of China [11432008, 11372162]
- 973 Program of MOST [2012CB934001]
- Tsinghua University [20121087991]
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Through natural selection, many animal organs with similar functions have evolved different macroscopic morphologies and microscopic structures. Here, we comparatively investigate the structures, properties and functions of honey bee stings and paper wasp stings. Their elegant structures were systematically observed. To examine their behaviors of penetrating into different materials, we performed penetration-extraction tests and slow motion analyses of their insertion process. In comparison, the barbed stings of honey bees are relatively difficult to be withdrawn from fibrous tissues (e.g. skin), while the removal of paper wasp stings is easier due to their different structures and insertion skills. The similarities and differences of the two kinds of stings are summarized on the basis of the experiments and observations.
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