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Natural Pest Control: Tiny Pest-eating Insect Fights Fruit Flies

Date:
December 14, 2007
Source:
American Society for Horticultural Science
Summary:
Farmers and vineyard owners have a new weapon in their pest management arsenal. A commonly used parasitoid, or parasitic insect that kills its host, has proven to be quite effective in the control of fruit flies in vineyards.

Mediterranean fruit fly, a worldwide agricultural pest.
Credit: Scott Bauer

Farmers and vineyard owners have a new weapon in their pest management arsenal. A commonly used parasitoid, or parasitic insect that kills its host, has proven to be quite effective in the control of fruit flies in vineyards. These tiny pest-devouring insects are considered to be powerful "biocontrol agents" since they reduce the need for chemical pest management applications.

Jean Pierre Kapongo, Ph.D., an entomologist specializing in environmental health at the University of Guelph in Ontario, Canada, recently published the results of a research study that will aid vintners and fruit farmers in their ability to produce healthier crops. According to Kapongo, vineyard owners and farmers can now control fruit flies (Ceratitis capitata) with Muscidifurax raptor, an insect currently used in the control of other types of pests.

The study investigated the use of Muscidifurax raptor to control fruit flies in vineyards. Until recently, fruit flies were usually controlled with chemical insecticides and selected natural enemies. Kapongo explained that these traditional control methods were not popular with farmers because of the adverse effects of chemicals and the unreliability of using living parasites.

"Now we have discovered a parasitoid that is easily produced and effective in controlling fruit flies.", Kapongo commented. He added that insectaries, where parasitic insects are commercially produced and sold, are ready to increase production of the insects in response to market demands from vineyard owners.

Kopongo noted that using the Muscidifurax raptor parasitoid to control flies benefits the environment and promotes agricultural sustainability because the method lessens the need for chemical pesticides.

Researchers believe that the study results will have additional application for controlling flies that threaten animals in confined environments such as poultry houses, dairies and horse stables.


Story Source:

The above story is based on materials provided by American Society for Horticultural Science. Note: Materials may be edited for content and length.


Cite This Page:

American Society for Horticultural Science. "Natural Pest Control: Tiny Pest-eating Insect Fights Fruit Flies." ScienceDaily. ScienceDaily, 14 December 2007. <www.sciencedaily.com/releases/2007/12/071206145217.htm>.
American Society for Horticultural Science. (2007, December 14). Natural Pest Control: Tiny Pest-eating Insect Fights Fruit Flies. ScienceDaily. Retrieved August 22, 2014 from www.sciencedaily.com/releases/2007/12/071206145217.htm
American Society for Horticultural Science. "Natural Pest Control: Tiny Pest-eating Insect Fights Fruit Flies." ScienceDaily. www.sciencedaily.com/releases/2007/12/071206145217.htm (accessed August 22, 2014).

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