New greenhouse predatory mite Anystis

New greenhouse predatory mite Anystis

A new generalist predator will soon become commercially available to greenhouses. "This new predator Anystis is effective against several key greenhouse pests by controlling thrips and spider mites and suppressing aphids. As a generalist predator, Anystis also preys on Echinothrips and mealybugs for which no biocontrol agents exist," said Rose Buitenhuis, PhD, Vineland Research and Innovation Centre's Senior Research Scientist, Biological Control. "Anystis is functionally compatible with commonly-used biocontrol agents including aphid parasitoids and Neioseiulus cucumeris and is a valuable addition to an Integrated Pest Management (IPM) program."

Discovered at Vineland Research and Innovation Centre in Ontario, this is a result of a five-year project funded in part by Ottawa under the Canadian Agricultural Partnership's AgriScience Program, a federal, provincial, territorial initiative in collaboration with the Université du Québec ŕ Montréal (UQAM) and the biocontrol producer Applied Bio-nomics Ltd.

Despite the predator's cannibalistic tendencies, Vineland's research team, led by Senior Research Technician Taro Saito, was able to develop in a laboratory setting two high-performing rearing systems for Anystis with costs similar to other commonly used biocontrol agents. The research team also determined adult predators can be shipped from the insectary to the customer with a low mortality rate.

Last spring, they transferred the predator to Applied Bio-nomics Ltd. for scaling up those mass rearing systems and for commercialization.

"Anystis is an exciting new predator. It appears to be a true generalist and is not intimidated by some of the toughest pest's natural defenses, such as wax and webbing. It is easy to see and scout, helping growers see their activity. And, it is always hungry, a very good trait," said Brian Spencer, President of Applied Bio-nomics Ltd. "We appreciate Vineland's excellent research and their excellent communication abilities and look forward to continuing our association with them."

The company is now successfully rearing Anystis with a limited number of mites available to growers to try.

Read more on Greenhouse Canada.

Photo created by freepic.diller - www.freepik.com

Source: Greenhouse Canada

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