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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Importance of UV perception for dragonflies (Odonata)
 Jačmeněv, Vjačeslav ; Černý, Martin (advisor) ; Stella, David (referee)
It has long been known that some animals are able to perceive radiation at other wavelengths than perceive we humans. In dragonflies, UV sensitivity has been demonstrated in the 1974, however a recent study has unveiled an extraordinary diversity of genes of specific photoreceptor proteins known as opsins, including UV-sensitive opsin. In addition some dragonflies have coloration on their body and wings, which can reflect UV radiation at unchanged wavelength - UV reflectance. Very little is known about the use of UV in dragonfly life. My thesis summarizes the current knowledge of the importance of UV for dragonflies, focusing on interspecific and intraspecific communication.
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