clearwing
noun
                                                                                                                            
                                                            clear·wing
                    
                                                                                                              
                                                                                                                                  ˈklir-ˌwiŋ 
                                                      
                                                          
            
            variants  
 or clearwing moth
        
    
                                
              
          
                                                      : a moth (as of the families Sesiidae or Sphingidae) having the wings largely transparent and devoid of scales                                      
                
                    
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  Merriam-Webster unabridged




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