This is a good article. Follow the link for more information. Entomology and pest management pdf example of a hymenopteran biological control agent.
It was brought into more widespread use by the entomologist Paul H. However, the practice has previously been used for centuries. Li Diao Yuan, and others. Biological control techniques as we know them today started to emerge in the 1870s. During this decade, in the USA, the Missouri State Entomologist C. Riley and the Illinois State Entomologist W.
The first international shipment of an insect as biological control agent was made by Charles V. Division of Entomology in 1881, with C. This had become a major problem for the newly developed citrus industry in California, but by the end of 1889 the cottony cushion scale population had already declined. This great success led to further introductions of beneficial insects into the USA.