Insect pests are the major destructive agents in the fruits and vegetables, with negative impact over their quality. Insect pests that feed internally in fruit are more difficult to detect and to disinfest, and are thus of greater concern in quarantine efforts. Cosmetic quality is of due importance in fruits and vegetables. In addition to direct damage of plant systems, fruits and seeds, they leave important contaminants such as body parts or exoskeleton, eggs and off-odour on produce. 

Hammer is a pyrethroid insecticide, which is effective through contact and ingestion. It disrupts  the sodium channel of axons, hence causing malfunction in insects nervous system and making the insect paralysed.