Potential New Treatment against Varroa Mites

Our Extension Agent, Allyson Shabel, sent this news story about a potential new treatment against Varroa mites. With any new treatment, it may be a while before it becomes publicly available.

EPA Registers New Biochemical Miticide to Combat Varroa Mites in Beehives
FYI

Posted by rhallberg from IPM in the South:

The Environmental Protection Agency has registered a new biochemical miticide, Potassium Salts of Hops Beta Acids (K-HBAs), which is intended to provide another option for beekeepers to combat the devastating effects of the Varroa mite on honey bee colonies and to avoid the development of resistance toward other products. Rotating products to combat Varroa mites is an important tactic to prevent resistance development and to maintain the usefulness of individual pesticides.

The registrant, a company called Beta Tech Hop Products, derived K-HBAs from the cones of female hop plants, Humulus lupulus. To control mites on honey bees, the product is applied inside commercial beehives via plastic strips.

Varroa mites are parasites that feed on developing bees, leading to brood mortality and reduced lifespan of worker bees. They also transmit numerous honeybee viruses. The health of a colony can be critically damaged by an infestation of Varroa mites. Once infested, if left untreated, the colony will likely die.

This biochemical, like all biopesticides, is a naturally-occurring substance with minimal toxicity and a non-toxic mode of action against the target pest(s). There are numerous advantages to using biopesticides, including reduced toxicity to other organisms (not intended to be affected), effectiveness in small quantities, and reduced environmental impact.

More information on this registration can be found at http://www.regulations.gov in Docket ID EPA-HQ-OPP-2014-0375.

Xing Ping Hu, Dr.
Professor / Extension Specialist
Graduate Program Officer
Department of Entomology and Plant Pathology
Auburn University
Alabama Cooperative Extension System
203 Extension Hall
Auburn, AL 36804
334-844-6392 Office

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