Professor James Bell j.r.bell@keele.ac.uk
How aphids fly: take off, free flight and implications for short and long distance migration
Bell, James R.; Shephard, Graham
Authors
Graham Shephard
Abstract
An introduction to high‐speed photography and its entomological impact is provided, emphasizing the importance of high frame rates and high resolution. The take‐off and free flight of Drepanosiphum platanoidis and Myzus persicae were studied in still air using high‐speed photography in HD. The wing tip and body posture were tracked to show how they are displaced during each wingbeat cycle. The important structural elements of the wing are described. The wingbeat is driven by a reinforced leading edge, the pterostigma and costa. The remainder of the coupled fore‐ and hindwing acts as a single aerofoil that deforms during flight, due to sparse venation and a lack of cross veins. During flight, aphids use a ‘near clap and fling’ mechanism with a body pitch close to 90°. Rapid acceleration about the thoracic lateral axis into wing reversal generates enough lift for take‐off, typically within the first or second wingbeat. Unique footage shows that aphids demonstrate a high degree of flight control and manoeuvrability in the lab, occasionally using forward and inverted flight, two flight modes that are otherwise poorly known. While research into the impact of turbulent convection is needed, we posit that the strength of atmospheric forces presents a formidable challenge to aphid migrants. Above the flight boundary layer, migrating aphids may not easily oppose upwardly moving air, although if used, ‘frozen flight’ may cause them to descend on average. We evaluate five devices for insect flight research.
Citation
Bell, J. R., & Shephard, G. (in press). How aphids fly: take off, free flight and implications for short and long distance migration. Agricultural and forest entomology, 1-10. https://doi.org/10.1111/afe.12623
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 13, 2024 |
Online Publication Date | Apr 18, 2024 |
Deposit Date | Apr 22, 2024 |
Publicly Available Date | Apr 22, 2024 |
Journal | Agricultural and Forest Entomology |
Print ISSN | 1461-9555 |
Electronic ISSN | 1461-9563 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Pages | 1-10 |
DOI | https://doi.org/10.1111/afe.12623 |
Keywords | body pitch, wingbeat, high‐speed photography, Myzus persicae, forward flight, clap and fling, Phantom T4040, Drepanosiphum platanoidis, frozen flight, inverted flight |
Public URL | https://keele-repository.worktribe.com/output/796684 |
Publisher URL | https://resjournals.onlinelibrary.wiley.com/doi/10.1111/afe.12623 |
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How aphids fly: Take‐off, free flight and implications for short and long distance migration
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Licence
https://creativecommons.org/licenses/by/4.0/
Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
Copyright Statement
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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