Knowledge of the life cycle of an insect population enables biological controls to be used in place of current pesticide use. An example includes the use of Bacillus thuringiensis (Bt) which affects _______ of moths and butterflies.
A) All stages
B) The larval stage
C) The pupa stage
D) The eggs
E) The larval and pupa stages

Question

Quizplus · Accepted Answer

Bacillus thuringiensis (Bt) specifically targets the larval stage of moths and butterflies, where it acts as a stomach poison that disrupts their feeding and eventually leads to their death.

Knowledge of the Life Cycle of an Insect Population Enables