fellow seed 

 parent 



Green seed 

 parent 



First hybrid generation 

 All yellow seed 



Second hybrid generation 

 Three yellow, one green 



The Colorado Potato Beetle 



Leptinotarsa decemlineata 



V..X/ \ .^i ^ ./ 



? /W^ 



j Parent type \ / Variety torfuosa 



Potato Beetle 

 Leptinotarsa multitceniata 



