Non-wetting wings and legs of the cranefly aided by fine structures of the cuticle

Hu, Hsuan-Ming S., Watson, Gregory S., Cribb, Bronwen W. and Watson, Jolanta A. (2011) Non-wetting wings and legs of the cranefly aided by fine structures of the cuticle. Journal of Experimental Biology, 214 6: 915-920. doi:10.1242/jeb.051128

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Author Hu, Hsuan-Ming S.
Watson, Gregory S.
Cribb, Bronwen W.
Watson, Jolanta A.
Title Non-wetting wings and legs of the cranefly aided by fine structures of the cuticle
Journal name Journal of Experimental Biology   Check publisher's open access policy
ISSN 0022-0949
Publication date 2011-03-01
Sub-type Article (original research)
DOI 10.1242/jeb.051128
Open Access Status File (Publisher version)
Volume 214
Issue 6
Start page 915
End page 920
Total pages 6
Place of publication Cambridge, United Kingdom
Publisher The Company of Biologists
Collection year 2012
Language eng
Abstract Non-wetting surfaces are imperative to the survival of terrestrial and semi-aquatic insects as they afford resistance to wetting by rain and other liquid surfaces that insects may encounter. Thus, there is an evolutionary pay-off for these insects to adopt hydrophobic technologies, especially on contacting surfaces such as legs and wings. The cranefly is a weak flier, with many species typically found in wet/moist environments where they lay eggs. Water droplets placed on this insect’s wings will spontaneously roll off the surface. In addition, the insect can stand on water bodies without its legs penetrating the water surface. The legs and wings of this insect possess thousands of tiny hairs with intricate surface topographies comprising a series of ridges running longitudinally along the long axis of the hair fibre. Here we demonstrate that this fine hair structure enhances the ability of the hairs to resist penetration into water bodies.
Keyword wing
leg
insect
anti-wetting
atomic force microscopy
hair
water
adhesion
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
Centre for Microscopy and Microanalysis Publications
 
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Created: Sun, 20 Mar 2011, 10:10:07 EST