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.
Large trees in forests, plantations and orchards are attacked by different types of insects. Generally in forests, insect populations are maintained below the damage levels by their natural enemies. But sometimes pest outbreaks do take place causing immense damage to trees and timber. In orchards pest control strategies have to be in place to deal with the pest outbreaks. The following insects attack large trees in forests and orchards.
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.