biological control
...ue to ring barking) which are palatable to native birds (such as the Tata), altering the composition of natural forests and direct pray on native insects and birds, dramatically altering the climate for other plants. Therefore biological control today is a contemporary issue in New Zealand as it spends over 11 million dollars annually trying to control the destruction caused by the Bushtail possum inevitably affecting the New Zealand economy. Biological control is the use of one living organism to control another it is achieved by the use of augmentation and use of biological controlling agents. Traditional methods of controlling the Bushtail possum have included the use of harsh chemical like DDT, which harmfully affect native wildlife, as well as humans due to the accumulation of toxic residues and has diverse affect beneficial animals such as the honey bees. The usage of biological pest control can be used as an overall pest management programme to reduce the environmental and public safety hazards of chemicals. In order for the biological control to be effective, it must have good search ability to recognize the pest species and attack it. However, this method of approach to pest control requires more time and profound understanding of the biology of the pest and its enemies. Moreover it requires a certain amount of time to obtain results. There are...