1. Economic Impacts Honeybee –Varroatosis Varroa destructorVarroa Huge threat to beekeeping; can kill colony Tend to infect drone brood over worker brood Hard to treat: Chemically, Physically, Cultural http://video.google.com/videoplay?docid=-7304562435786960616 - 10 minute videohttp://video.google.com/videoplay?docid=-7304562435786960616 Image courtesy of: Scott Bauer, USDA Agricultural Research Service, Bugwood.org

2. Economic Impacts Honeybee –Tracheal mite (Acarapis woodi)Acarapis –Spread to U.S. in 1984 –Enter tracheal system of adults –Only 3% annual loss so not a major pest –May cause wing deformity and improper flying –Treatment: Chemical, Resistant bees, Crisco patties –http://video.google.com/videoplay?docid=-530248919698814753 – 9 minute videohttp://video.google.com/videoplay?docid=-530248919698814753 Photo by Lilia De Guzman

3. Sampling Technique for Tracheal Mites We will try this in lab if bees availablethis Image from USDA pamphlet

4. Bibliography Continued Bauer, Scott. 2006. USDA Image Gallery. Varroa mites image. http://www.ars.usda.gov/is/graphics/photos/jun02/k5111-7.htm http://www.ars.usda.gov/is/graphics/photos/jun02/k5111-7.htm Caron, Dewey M. 1999. Honey Bee Biology and beekeeping. Wicwas Press, LLC. Cp. 20. De Guzman, Lilia. 2006. USDA Image Gallery. Tracheal mite image. http://www.ars.usda.gov/is/graphics/photos/dec04/k5069-23.htm http://www.ars.usda.gov/is/graphics/photos/dec04/k5069-23.htm Sanford, M.T. And H.L. Cromroy. 2007. Univ. of Florida. Featured Creatures: Varroa mites & tracheal mites. http://creatures.ifas.ufl.edu/misc/bees/varroa_mite.htm http://creatures.ifas.ufl.edu/misc/bees/tracheal_mite.htm http://creatures.ifas.ufl.edu/misc/bees/varroa_mite.htm http://creatures.ifas.ufl.edu/misc/bees/tracheal_mite.htm Shimanuki, Hachiro, and David A. Knox. 2000. Diagnosis of Honey Bee Diseases. U.S. Department of Agriculture, Agriculture Handbook No. AH–690, 61 pp. http://www.ars.usda.gov/is/np/honeybeediseases/honeybeediseases.pdf USDA. 2006. Tracheal Mite Dissection Video. http://www.ars.usda.gov/pandp/docs.htm?docid=14370 http://www.ars.usda.gov/pandp/docs.htm?docid=14370