BUTTERFLY OF THE ORANGE. 19 



which is rarely found in Victoria, although it has a wide 

 geographical range ; it is a tropical species, and closely 

 allied to the Indian P. erithronus. 



A small bird, Zosterops coerulescens, or White Eye, is 

 said to be a great destroyer of these caterpillars ; but, 

 as these birds are great pests of the fruit-grower, I cannot 

 advocate their protection. In Victoria, Tachinid Flies are 

 not uncommon, so we can look upon them as useful helps 

 In the orchard. 



