Insect wing damage: causes, consequences and compensatory mechanisms.

J Exp Biol

Functional Morphology and Biomechanics, Institute of Zoology, Kiel University, Am Botanischen Garten 1-9, D-24098 Kiel, Germany.

Published: May 2020

The evolution of wings has played a key role in the success of insect species, allowing them to diversify to fill many niches. Insect wings are complex multifunctional structures, which not only have to withstand aerodynamic forces but also need to resist excessive stresses caused by accidental collisions. This Commentary provides a summary of the literature on damage-reducing morphological adaptations in wings, covering natural causes of wing collisions, their impact on the structural integrity of wings and associated consequences for both insect flight performance and life expectancy. Data from the literature and our own observations suggest that insects have evolved strategies that (i) reduce the likelihood of wing damage and (ii) allow them to cope with damage when it occurs: damage-related fractures are minimized because wings evolved to be damage tolerant and, in the case of wing damage, insects compensate for the reduced aerodynamic efficiency with dedicated changes in flight kinematics.

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Source
http://dx.doi.org/10.1242/jeb.215194DOI Listing

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