Plate 5 



Three egg sticks of Cactoblastis cactorum on a young segment of Opuntia inermis. 

 Below: Regrowth from destroyed 0. inermis, showing feeding marks oi 

 Chelinidea tabulata, cochineal {Dadylopins opun(iae), and egg sticks of Cactoblastis 

 cactorum, October 1929. 



