Grzegorz (Greg) Krawczyk

Extension Tree Fruit Entomologist, Research Professor

Huck Affiliations

Publication Tags

Halyomorpha Halys Hemiptera Pentatomidae Bug Apples Integrated Pest Management Insecticides Orchards Mortality Phenology Deltamethrin Pests Cydia Pomonella Lepidoptera Diapause Temperature Traps Insect Mating Disruption Overwintering Grapholita Molesta Fruit Moths Pest Control Insecticide

Most Recent Papers

Impact of BMSB Control on Pennsylvania’s Tree Fruit IPM Programs

David Biddinger, Larry Hull, Grzegorz Krawczyk, Edwin Rajotte, PA Biglerville,

Invasion of the Brown Marmorated Stink Bug (Hemiptera: Pentatomidae) into the USA: Developing a national response to an invasive species crisis through collaborative research and outreach efforts

Dalton Ludwick, William Morrison, Angelita Acebes-Doria, Arthur Agnello, Christopher Bergh, Matthew Buffington, George Hamilton, Jayson Harper, Kim Hoelmer, Grzegorz Krawczyk, Thomas Kuhar, Douglas Pfeiffer, Anne Nielsen, Kevin Rice, Cesar Rodriguez-Saona, Peter Shearer, Paula Shrewsbury, Elijah Talamas, James Walgenbach, Nik Wiman, Tracy Leskey, 2020, on p. 1-16

Evaluation of insecticides for control of the spotted lanternfly, Lycorma delicatula, (Hemiptera

Heather Leach, David Biddinger, Grzegorz Krawczyk, Erica Smyers, Julie Marie Urban, 2019, Crop Protection

Successful management of Halyomorpha halys (Hemiptera

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

Improved monitoring of oriental fruit moth (Lepidoptera

Valentina Mujica, Michele Preti, Esteban Basoalto, Liliana Cichon, Eduardo Fuentes-Contreras, Wilson Barros-Parada, Greg Krawczyk, Marcelo Z. Nunes, Jim F. Walgenbach, Randy Hansen, Alan L. Knight, 2018, Journal of Applied Entomology on p. 731-744

Nosema maddoxi sp. nov. (Microsporidia, Nosematidae), a Widespread Pathogen of the Green Stink Bug Chinavia hilaris (Say) and the Brown Marmorated Stink Bug Halyomorpha halys (Stål)

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 Eukaryotic Microbiology on p. 315-330

Preliminary data on the biology of brown marmorated stink bug halyomorpha halys (Hemiptera, pentatomidae) in georgia

Maka Murvanidze, Greg Krawczyk, Nino Inasaridze, Lika Dekanoidze, Natia Samsonadze, Mariam Macharashvili, Sopho Khutsishvili, Salome Shengelaia, 2018, Turkish Journal of Zoology

Phenology of brown marmorated stink bug described using female reproductive development

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

Deltamethrin-Incorporated Nets as an Integrated Pest Management Tool for the Invasive Halyomorpha halys (Hemiptera

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

Population dynamics and flight phenology model of codling moth differ between commercial and abandoned apple orchard ecosystems

Neelendra K. Joshi, Edwin G. Rajotte, Kusum J. Naithani, Greg Krawczyk, Larry A. Hull, 2016, Frontiers in Physiology

Most-Cited Papers

Pest status of the brown marmorated stink bug, Halyomorpha halys in the USA

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

Biology, ecology, and management of brown marmorated stink bug (Hemiptera

Kevin B. Rice, Chris J. Bergh, Erik J. Bergmann, David Biddinger, Christine Dieckhoff, Galen Dively, Hannah Fraser, Tara Gariepy, George Hamilton, Tim Haye, Ames Herbert, Kim Hoelmer, Cerruti R. Hooks, Ashley Jones, Grzegorz 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 Frazier Tooker, 2014, Journal of Integrated Pest Management

Attraction of the invasive halyomorpha halys (Hemiptera

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

Deltamethrin-Incorporated Nets as an Integrated Pest Management Tool for the Invasive Halyomorpha halys (Hemiptera

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

Spatial distribution of brown marmorated stink bug (Hemiptera

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

Phenology of brown marmorated stink bug described using female reproductive development

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

A comparison of various mating disruption technologies for control of two internally feeding Lepidoptera in apples

Eric Bohnenblust, Larry A. Hull, Grzegorz Krawczyk, 2011, Entomologia Experimentalis et Applicata on p. 202-211

Extrafloral nectar in an apple ecosystem to enhance biological control

M. W. Brown, Clarissa R. Mathews, Greg Krawczyk, 2010, Journal of economic entomology on p. 1657-1664

Monitoring oriental fruit moth and codling moth (Lepidoptera

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

Evaluating sex-pheromone- and kairomone-based lures for attracting codling moth adults in mating disruption versus conventionally managed apple orchards in Pennsylvania

Neelendra K. Joshi, Larry A. Hull, Edwin George Rajotte, Grzegorz Krawczyk, Eric Bohnenblust, 2011, Pest Management Science on p. 1332-1337