Neem extracts act on various insects in the following ways:
- Disrupts the development of eggs, larvae, or pupae
- Blocks the molting of larvae or nymphs
- Disrupts mating and sexual communication
- Repels larvae and adults
- Stops females from laying eggs
- Sterilizes adults
- Stops feeding
- Blocks the ability to swallow
- Sends metamorphosis awry at various stages
