TRYXALIS NASUTA. 
Points in the life history requiring further observation. 
1. When and where the eggs are laid. 
2. The length of time the insect spends in the larval, 
z.é., in the wingless condition. This is important 
since this and the egg stages are generally the 
easiest, in the case of locusts, to combat. 
3. Length of time spent in the perfect or winged condi- 
tion. 
4. The number of generations passed through during 
the year: 
