BOSTRICHUS PARALLELUS 175 
ence to this beetle, it is necessary to discover whether it 
infests bamboos as soon as cut or whether it only attacks 
already dead ones. 
Points in the life history requiring further observation. 
1. Method of egg-laying and number of eggs laid. 
2. Length of time spent in the larval and pupal stages. 
Be 
4. The number of generations in the year. In all pro- 
The length of time spent as a beetle. 
bability, this will be more than one, perhaps 
several, 
. The condition of the bamboos when attacked by the 
beetle, whether green or absolutely dry. 
. The other food-plants of the beetle. 
