Greg Krawczyk

Extension Tree Fruit Entomologist, Research Professor

Huck Affiliations

Publication Tags

Halyomorpha Halys Hemiptera Pentatomidae Bug Monitoring Orchards Traps Insecticides Canopy Orchard Invasive Species Pests Fruits Fruit Insecticide Apples Integrated Pest Management Tortricidae Lepidoptera Toxicity Phenology Pheromones Ecology Bifenthrin Thiamethoxam

Most Recent Publications

Feeding and oviposition by the brown marmorated stink bug, Halyomorpha halys (Stål) induce direct and systemic changes in volatile compound emissions from potted peach and tree of heaven

Hillary M. Peterson, Swayamjit Ray, Jared G. Ali, Grzegorz Krawczyk, 2022, Arthropod-Plant Interactions on p. 227-247

LiDAR-sensed tree canopy correction in uneven terrain conditions using a sensor fusion approach for precision sprayers

Md Sultan Mahmud, Azlan Zahid, Long He, Daeun Choi, Grzegorz Krawczyk, Heping Zhu, 2021, Computers and Electronics in Agriculture

Comparison of Sex Pheromone and Kairomone-Enhanced Pheromone Lures for Monitoring Oriental Fruit Moth (Lepidoptera: Tortricidae) in Mating Disruption and Non-Disruption Tree Fruit Orchards

James F. Walgenbach, Steven C. Schoof, Dolors Bosch, Lucia Adriana Escudero-Colomar, Bill Lingren, Grzegorz Krawczyk, 2021, Environmental Entomology on p. 1063-1074

Md Sultan Mahmud, Azlan Zahid, Long He, Daeun Choi, Grzegorz Krawczyk, Heping Zhu, Paul Heinemann, 2021, Computers and Electronics in Agriculture

Dalton Ludwick, William R. Morrison, Angelita L. Acebes-Doria, Arthur M. Agnello, J. Christopher Bergh, Matthew L. Buffington, George C. Hamilton, Jayson K. Harper, Kim A. Hoelmer, Gregory Krawczyk, Thomas P. Kuhar, Douglas G. Pfeiffer, Anne L. Nielsen, Kevin B. Rice, Cesar Rodriguez-Saona, Peter W. Shearer, Paula M. Shrewsbury, Elijah J. Talamas, James F. Walgenbach, Nik G. Wiman, Tracy C. Leskey, 2021, Journal of Integrated Pest Management

Baseline Toxicity of the Insecticides Bifenthrin and Thiamethoxam on Halyomorpha halys (Hemiptera: Pentatomidae) Collected from the Eastern United States

Adam Alford, Thomas P. Kuhar, George C. Hamilton, Peter Jentsch, Grzgorz Krawczyk, James F. Walgenbach, Celeste Welty, Troy Anderson, 2020, Journal of Economic Entomology on p. 1043-1046

Angelita L. Acebes-Doria, Arthur M. Agnello, Diane G. Alston, Heather Andrews, Elizabeth H. Beers, J. Christopher Bergh, Ric Bessin, Brett R. Blaauw, G. David Buntin, Eric C. Burkness, Shi Chen, Ted E. Cottrell, Kent M. Daane, Lauren E. Fann, Shelby J. Fleischer, Christelle Guédot, Larry J. Gut, George C. Hamilton, Richard Hilton, Kim A. Hoelmer, William D. Hutchison, Peter Jentsch, Greg Krawczyk, Thomas P. Kuhar, Jana C. Lee, Joshua M. Milnes, Anne L. Nielsen, Dilani K. Patel, Brent D. Short, Ashfaq A. Sial, Lori R. Spears, Kathy Tatman, Michael D. Toews, James D. Walgenbach, Celeste Welty, Nik G. Wiman, Janet Van Zoeren, Tracy C. Leskey, 2020, Journal of Economic Entomology on p. 159-171

Insecticide Baseline Sensitivity in Codling Moth (Lepidoptera: Tortricidae) Populations from Orchards under Different Management Practices

Neelendra K. Joshi, Larry A. Hull, Greg Krawczyk, 2020, Journal of Entomological Science on p. 105-116

Evaluation of insecticides for control of the spotted lanternfly, Lycorma delicatula, (Hemiptera: Fulgoridae), a new pest of fruit in the Northeastern U.S.

Heather Leach, David J. Biddinger, Greg Krawczyk, Erica Smyers, Julie M. Urban, 2019, Crop Protection

Most-Cited Papers

Tracy C. Leskey, George C. Hamilton, Anne L. Nielsen, Dean F. Polk, Cesar Rodriguez-Saona, J. Christopher Bergh, D. Ames Herbert, Tom P. Kuhar, Douglas Pfeiffer, Galen P. Dively, Cerruti R.R. Hooks, Michael J. Raupp, Paula M. Shrewsbury, Greg Krawczyk, Peter W. Shearer, Joanne Whalen, Carrie Koplinka-Loehr, Elizabeth Myers, Douglas Inkley, Kim A. Hoelmer, Doo Hyung Lee, Starker E. Wright, 2012, Outlooks on Pest Management on p. 218-226

Kevin B. Rice, Chris J. Bergh, Erik J. Bergmann, Dave J. Biddinger, Christine Dieckhoff, Galen Dively, Hannah Fraser, Tara Gariepy, George Hamilton, Tim Haye, Ames Herbert, Kim Hoelmer, Cerruti R. Hooks, Ashley Jones, Greg Krawczyk, Thomas Kuhar, Holly Martinson, William Mitchell, Anne L. Nielsen, Doug G. Pfeiffer, Michael J. Raupp, Cesar Rodriguez-Saona, Peter Shearer, Paula Shrewsbury, P. Dilip Venugopal, Joanne Whalen, Nik G. Wiman, Tracy C. Leskey, John F. Tooker, 2014, Journal of Integrated Pest Management

Tracy C. Leskey, Arthur Agnello, J. Christopher Bergh, Galen P. Dively, George C. Hamilton, Peter Jentsch, Ashot Khrimian, Grzegorz Krawczyk, Thomas P. Kuhar, Doo Hyung Lee, William R. Morrison, Dean F. Polk, Cesar Rodriguez-Saona, Peter W. Shearer, Brent D. Short, Paula M. Shrewsbury, James F. Walgenbach, Donald C. Weber, Celeste Welty, Joanne Whalen, Nik Wiman, Faruque Zaman, 2015, Journal of Economic Entomology on p. 746-756

T. P. Kuhar, B. D. Short, G. Krawczyk, T. C. Leskey, 2017, Journal of Economic Entomology on p. 543-545

William R. Morrison, Brett R. Blaauw, Brent D. Short, Anne L. Nielsen, James C. Bergh, Greg Krawczyk, Yong Lak Park, Bryan Butler, Ashot Khrimian, Tracy C. Leskey, 2019, Pest Management Science on p. 104-114

Spatial distribution of brown marmorated stink bug (Hemiptera: Pentatomidae) injury at harvest in mid-atlantic apple orchards

Shimat V. Joseph, Jonathan W. Stallings, Tracy C. Leskey, Greg Krawczyk, Dean Polk, Bryan Butler, J. Christopher Bergh, 2014, Journal of Economic Entomology on p. 1839-1848

Anne L. Nielsen, Shelby Fleischer, George C. Hamilton, Tori Hancock, Gregorz Krawczyk, Jana C. Lee, Emily Ogburn, John M. Pote, Amy Raudenbush, Ann Rucker, Michael Saunders, Victoria P. Skillman, Jeanne Sullivan, Jody Timer, James Walgenbach, Nik G. Wiman, Tracy C. Leskey, 2017, Ecology and Evolution on p. 6680-6690

Angelita L. Acebes-Doria, Arthur M. Agnello, Diane G. Alston, Heather Andrews, Elizabeth H. Beers, J. Christopher Bergh, Ric Bessin, Brett R. Blaauw, G. David Buntin, Eric C. Burkness, Shi Chen, Ted E. Cottrell, Kent M. Daane, Lauren E. Fann, Shelby J. Fleischer, Christelle Guédot, Larry J. Gut, George C. Hamilton, Richard Hilton, Kim A. Hoelmer, William D. Hutchison, Peter Jentsch, Greg Krawczyk, Thomas P. Kuhar, Jana C. Lee, Joshua M. Milnes, Anne L. Nielsen, Dilani K. Patel, Brent D. Short, Ashfaq A. Sial, Lori R. Spears, Kathy Tatman, Michael D. Toews, James D. Walgenbach, Celeste Welty, Nik G. Wiman, Janet Van Zoeren, Tracy C. Leskey, 2020, Journal of Economic Entomology on p. 159-171

Ann E. Hajek, Leellen F. Solter, Joseph V. Maddox, Wei Fone Huang, Alden S. Estep, Grzegorz Krawczyk, Donald C. Weber, Kim A. Hoelmer, Neil D. Sanscrainte, James J. Becnel, 2018, Journal of Protozoology on p. 315-330

Monitoring oriental fruit moth and codling moth (Lepidoptera: Tortricidae) with combinations of pheromones and kairomones

A. Knight, L. Cichon, J. Lago, E. Fuentes-Contreras, W. Barros-Parada, L. Hull, G. Krawczyk, B. Zoller, R. Hansen, R. Hilton, E. Basoalto, 2014, Journal of Applied Entomology on p. 783-794