In this article we will discuss about:- 1. Introduction to Metamorphosis in Insects 2. Causation of Molting in Insects 3. Factors Controlling 4. Mechanism of Action of Insect Hormones. Introduction to Metamorphosis in Insects: In any consideration of metamorphosis in insects, it must be taken into account that metamorphosis in these animals is a special form of molting (the periodic [...]
Although a large number of insects are injurious to crops and are to be eliminated or effectively kept under check, there are a number of insects which are of use to man in a number of ways and need protection. There are many crops, particularly those of fruits and vegetables that cannot be successfully grown and harvested without the active [...]
5The three universally appreciated insects are the honey-bee, the lac insect, and the silkworm. Honey extraction from wild hives is definitely a case of exploitation, but modern bee-keeping provides an illustrious example of science enabling man to enter into a just and ethically sound partnership at least with one species of honey-bee. The relationship with the lac insect also need [...]