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Beetle exoskeleton, SEM
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Beetle exoskeleton, SEM
Beetle exoskeleton. Coloured scanning electron micrograph (SEM) of the external surface of the exoskeleton of a billbug beetle (Family Curculionidae), a type of weevil or snout beetle. Insect exoskeletons are mostly made of a polysaccharide called chitin and a protein called sclerotin that makes the exoskeleton hard. The scale-like structures are modified setae (hairs). Magnification unknown
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Media ID 6460425
© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY
Beetle Coleoptera Coleopteran Coloured Sem Curculionidae Exoskeleton Hair Hairs Insecta Scale Scales Seta Setae Skin Surface
EDITORS COMMENTS
This print showcases the intricate beauty of a beetle exoskeleton under the scanning electron microscope (SEM). The colored SEM image reveals the external surface of a billbug beetle, belonging to the Curculionidae family, commonly known as weevils or snout beetles. Insect exoskeletons are composed mainly of chitin, a polysaccharide, and sclerotin, a protein that provides rigidity to their protective outer layer. This combination makes their exoskeleton incredibly hard and durable. The mesmerizing scale-like structures visible in this image are actually modified setae or hairs that adorn the beetle's skin. These setae play various roles for insects such as sensing their environment or providing protection against predators. Although the magnification level used to capture this stunning image remains unknown, it allows us to appreciate every minute detail present on the beetle's exoskeleton. This photograph not only offers an artistic perspective on nature but also serves as a valuable tool for zoologists and entomologists studying these fascinating creatures. It highlights the remarkable diversity found within invertebrates like beetles while emphasizing their importance in our ecosystem. Science Photo Library has once again provided us with an awe-inspiring visual representation of wildlife through this extraordinary snapshot from the world of insects.
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