Many insects transmit diseases in humans or suck blood or cause nuisance and irritation and hence are undesirable and need eradication. The following insects are included in this section.
When harvested produce is stored in houses, godowns and warehouses, it is attacked by a variety of insects that specialise in thriving under enclosed conditions. Although moisture, fungus, rodents and birds also cause damage to the stored grains, insects are considered to be the chief destroyers of harvested grains. The following insect pests are included in this section.