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Assistant Professor, Apiculture
Honey bee health, nutrition and pollination
Department of Horticulture
4017 Ag and Life Sciences BldgCorvallis, OR 97331-7304
Honey bee health, nutrition, pheromone biology, and pollination.
I teach Honey Bee Biology and Beekeeping (ENT 322) course each Winter Term and also as an online (E-campus) course during Fall Term.
Ph.D., Entomology, Texas A & M University, May 2007
M.S., Agriculture, Andhra Pradesh Agricultural University , INDIA, 1998
B.S., Agriculture, Andhra Pradesh Agricultural University, INDIA, 1994
2009 March - present: Assistant Professor, Apiculture, Department of Horticulture, Oregon State University
2007 May - 2009 February: Postdoctoral Research Associate, Department of Entomology, Texas A&M University
2003 - April 2007: Research Assistant, Texas A&M University, Colleg Station,TX
2004 to 2006: Teaching Assistant, Texas A&M University, College Station, TX
American Association for the Advancement of Science (AAAS)
American Association of Professional Apiculturists (AAPA)
Entomological Society of America (ESA)
International Society of Chemical Ecology (ISCE)
International Union for the Study of Social Insects (IUSSI)
Sigma Xi (The Scientific Research Society)
I accept graduate students for Horticulture
Jack CJ, Uppala S, Lucas H, Sagili RR (2016) Effects of pollen dilution on infection of Nosema ceranae in honey bees. Journal of Insect Physiology 87: 12-19.
Seitz N, Traynor KS, Steinhauer N, Rennich K, Wilson ME, Ellis JD, Rose R, Tarpy DR, Sagili RR, Caron DM, Delaplane KS, Rangel J, Lee K, Baylis K, Wilkes, JT, Skinner JA, Pettis JS, vanEngelsdorp D (2016) A national survey of managed honey bee 2014 - 2015 annual colony losses in the USA. Journal of Apicultural Research (in press).
Sagili, R.R, C.R. Breece, B.R. Martens, R. Simmons and J.H. Borden (2015) Potential of Honey Bee Brood Pheromone to Enhance Foraging and Yield in Hybrid Carrot Seed. HortTechnology 25 (1): 98-104.
Breece, C.R and Sagili, R.R (2015) Hands-on training emphasized in the Oregon Master Beekeeper Program. Journal of Extension [On-line] 53 (3) Article 3IAW6 http://www.joe.org/joe/2015june/iw6.php
Lee KV, Steinhauer N, Rennich K, Wilson M, Tarpy D,Caron DM, Rose R, Delaplane KS, Baylis K, Lengerich EJ, Pettis, J, Sagili RR, Skinner JA, Wilkes JT, vanEngelsdorp D (2015) A national survey of managed honey bee 2013-14 annual colony losses in the USA. Apidologie 46: 292-305.
Caron DM, Sagili R (2015) Oregon Tech Transfer Team Serving Pacific Northwest Beekeepers. American Bee Journal 155 (5): 573-575.
Borden JH, Campbell M, Card W, McLean JA, Foster B and Sagili RR (2013) Can treatment with brood pheromone increase honey production? American Bee Journal 153 (4): 338-339.
Sagili, R. R. and C. R. Breece. (2012) Effects of Brood Pheromone (SuperBoost) on Consumption of Protein Supplement and Growth of Honey Bee (Hymenoptera: Apidae) Colonies During Fall in a Northern Temperate Climate. J. of Econ. Entomol. 105(4): 1134-1138.
Caron DM, Sagili RR (2012) Honey Bee Colony Mortality - Survey of Beekeepers in the Pacific Northwest. American Bee Journal 152 (3): 257-260.
Caron DM, Sagili RR (2012) Pacific Northwest 2011 Beekeeper Pollination Survey. American Bee Journal 152 (5): 503-506.
Sagili, R. R., T. Pankiw, and B. N. Metz. (2011) Division of Labor Associated with Brood Rearing in the Honey Bee: How Does It Translate to Colony Fitness? PLoS ONE 6(2): e16785. doi:10.1371/journal.pone.0016785
Caron DM, Sagili RR (2010) Honey Bee Colony Mortality in the Pacific Northwest: Winter 2009/2010. American Bee Journal 151 (1): 73-76.
Pankiw T, Sagili RR, Metz BN (2008) Brood pheromone effects on colony protein supplement consumption and growth in the honey bee (Hymenoptera: Apidae) in a subtropical winter climate. Journal of Economic Entomology 101 (6): 1749-1755
Sagili RR, Pankiw T (2008) Effects of brood pheromone modulated brood rearing behaviors on honey bee (Apis mellifera L.) colony growth. Journal of Insect Behavior 22 (5): 339–349.
Sagili RR, Pankiw T (2007) Effects of protein constrained brood food on honey bee (Apis mellifera L.) pollen foraging and colony growth. Behavioral Ecology and Sociobiology 61: 1471-1478
Sagili RR, Pankiw T, Zhu-Salzman K (2005) Effects of soybean trypsin inhibitor on hypopharyngeal gland protein content, total midgut protease activity and survival of the honey bee (Apis mellifera L.). Journal of Insect Physiology 51: 953-957
Pankiw T, Roman R, Sagili RR, Zhu-Salzman K (2004) Pheromone-modulated behavioral suites influence colony growth in the honey bee (Apis mellifera).Naturwissenschaften 91:575-578
Scientific Conference and Symposium Presentations
Sagili RR and Breece C (2012) Effects of pollen quality (diversity) on honey bee physiology, immunocompetence and colony growth. American Bee Research Conference, Riverdale, MD.
Sagili RR (2011) Role of nutrition in honey bees. British Columbia Honey Producers Association Annual Conference, Richmond, BC, Canada.
Sagili RR (2011) Current challenges facing beekeeping industry in the United States. Ashoka Trust for Research in Ecology and the Environment, Bangalore, India.
Sagili RR and Breece C (2010) Effects of pollen quality on honey bee nutritional status and colony growth. American Bee Research Conference, Orlando, FL.
Sagili RR and Pankiw T (2007) Poster titled Effects of brood pheromone modulated foraging behavior on honey bee colony growth. USDA/CSREES Awardees Workshop, Entomological Society of America meeting, San Diego, CA.
Sagili RR and Pankiw T (2006) Effects of protein constrained brood food on honey bee (Apis mellifera L.) pollen foraging and colony growth. IUSSI World Congress, Washington DC.
Sagili RR and Pankiw T (2005) Effects of soybean trypsin inhibitor on hypopharyngeal gland protein content, total midgut protease activity and survival of the honey bee (Apis mellifera L.). Entomological Society of America, Fort Lauderdale, FL.
Sagili RR and Pankiw T (2005) Effects of soybean trypsin inhibitor on hypopharyngeal gland protein content and colony level foraging behavior of the honey bee. Joint meeting of AAPA, USDA north central regional project 202, American Bee Research Conference, Reno, NV.
Sagili RR and Pankiw T (2004) Effects of soybean trypsin inhibitor on hypopharyngeal gland protein content, total midgut protease activity and survival of the honey bee (Apis mellifera L.). Entomological Society of America, Salt Lake City, UT.
Behavioral Ecology and Sociobiology
Journal of Apicultural Research
Journal of Insect Physiology
Journal of Invertebrate Pathology
Preventive Veterinary Medicine
Journal of Economic Entomology
Outreach and Extension
Edmunds B, Little R, Sagili R. 2016. Nurturing Mason Bees in Your Backyard in Western Oregon. Oregon State University Extension Publication EM 9130.
R. Sagili, C. Breece, H. Vanderpool and K. Torgerson. 2015. Overwintered Honey Bee Nucleus Colonies: Big Solutions in Small Packages. Pacific Northwest Extension Publication PNW 682.
R. Sagili, J. Kling, C. Breece 2015 Pollination and Seed Set in Meadowfoam. Oregon State University Extension Publication EM8666.
Hoovcen, L., R. Sagili R and E. Johansen. 2013 How to Reduce Bee Poisoning from Pesticides. Pacific Northwest Extension Publication PNW 591.
Sagili, R.R. and D.M. Burgett. 2011. Evaluating Honey Bee Colonies for Pollination: A Guide for Commercial Growers and Beekeepers. Pacific Northwest Extension Publication PNW 623.
Awards and Honors
2015 Savery Outstanding Young Faculty Award (OSU Agricultural Research Foundation)
2015 OSUEA Newer Faculty Award
2015 OSUEA Search for Excellence Award (Oregon Master Beekeeper Program)
Oregon State Beekeepers Association Honorary Lifetime Membership
If possible playing cricket and badminton apart from exploring beautiful Oregon.