Influence of starvation on the growth and feeding of Locusta migratoria manilensis

Tolerance of starvation from the first instar to adult,and food intake and feeding rates at different times after starvation from the third instar to adult,of Locusta migratoria manilensis(Meyen),was studied in a laboratory.The results indicate that starvation tolerance gradually increased with each instar with an average duration of resistance to starvation of 46-116 h.Within the same instar,food intake and feeding rate were higher than normal after 12 h of starvation,no different to normal after 24 h of starvation and obviously less than normal after 36 or 48 h of starvation.Appetite and feeding rate were inversely related to the degree of hunger.