How much protein is in a cicada shell?
                                
                                
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                                    5 min read                                
                            
                                While whole cicadas are a noted source of protein, their cast-off shells contain very little. In fact, the exoskeleton, or shell, is primarily composed of chitin, a tough polysaccharide, not protein. The misconception arises because the animal's edible body is protein-rich.