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Colour and fluorescence emission of Euchroea auripigmenta beetle

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Academic year: 2021

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Figure

Figure 1. E. auripigmenta beetle displays a striking yellow colouration when illuminated by visible white light (a) and UV light (b), giving rise to fluorescence emission, in the latter case
Figure 2. The elytra of E. auripigmenta exhibit a black-spotted yellow colouration in the dry state
Figure 3. TEM analysis showed the presence of spike-like protuberances covering the cuticle of E
Figure 4. Spectra of the reflection factor measured from E. auripigmenta beetle’s elytra by spectrophotometry in a distoproximal configuration for different incidence angles θ i and detection angles θ r (a,c,e) all exhibit a low intensity below ca
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