6 September 2017 Butterflies regulate wing temperatures using radiative cooling
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Abstract
Butterfly wings are live organs embedded with multiple sensory neurons and, in some species, with pheromoneproducing cells. The proper function of butterfly wings demands a suitable temperature range, but the wings can overheat quickly in the sun due to their small thermal capacity. We developed an infrared technique to map butterfly wing temperatures and discovered that despite the wings’ diverse visible colors, regions of wings that contain live cells are the coolest, resulting from the thickness of the wings and scale nanostructures. We also demonstrated that butterflies use behavioral traits to prevent overheating of their wings.
Conference Presentation
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Cheng-Chia Tsai, Cheng-Chia Tsai, Norman Nan Shi, Norman Nan Shi, Crystal Ren, Crystal Ren, Julianne Pelaez, Julianne Pelaez, Gary D. Bernard, Gary D. Bernard, Nanfang Yu, Nanfang Yu, Naomi Pierce, Naomi Pierce, } "Butterflies regulate wing temperatures using radiative cooling", Proc. SPIE 10367, Light in Nature VI, 103670A (6 September 2017); doi: 10.1117/12.2274297; https://doi.org/10.1117/12.2274297
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