The Basics of Pest Control

Physical pest control methods include traps, netting and bait stations. They are often more effective when combined with other pest control techniques such as removing the nesting site or blocking access to food and water. Traps, for example, can be set in the ground or under eaves to catch rodents, while netting is used to protect crops. Keeping the area clean also can help deter pests. It is important to check and empty traps regularly and to remove any dead pests.

Eradication is a rare goal in outdoor pest situations, but sometimes it is attempted when a new, destructive pest first arrives. For example, the eradication of Mediterranean fruit fly, gypsy moth and fire ants has been accomplished by government agencies in many locations. In enclosed areas, such as indoor homes and gardens, eradication is more practical because it can be easier to control the pests.

Prevention is the main goal of pest control. It is usually possible to prevent pests from developing by changing environmental conditions or using cultural, mechanical or biological controls. Cultural controls include maintaining sanitary conditions, storing food in tightly sealed containers and removing garbage regularly.

Mechanical controls include mowing, hoeing and weeding to destroy insect eggs and to physically remove pests. Organic mulches, composting and field burning can also help to keep soil healthy and reduce pest populations.

Biological controls include the use of natural enemies and the introduction of pathogens to disrupt or alter pest life cycles. This is a time-consuming process that requires extensive research into the biology of the pest and its potential natural enemies, as well as care in the selection and release of the enemy species to avoid adverse effects on other native wildlife or plants.

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