Greg Krawczyk

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Affiliate Researcher
Titles and Affiliations
Research Professor, Entomology

Research Summary

Research interests include integrated pest management in agricultural ecosystems, sustainable fruit production methods, biology and management of tree fruit insect pests, pesticide resistance management in agricultural ecosystems, phytophagous and predato

In the News

Research Keywords

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Recent Publications

Invasion of the Brown Marmorated Stink Bug (Hemiptera: Pentatomidae) into the United States: Developing a National Response to an Invasive Species Crisis through Collaborative Research and Outreach Efforts

Ludwick, D., Morrison, W. R., Acebes-Doria, A. L., Agnello, A. M., Bergh, J. C., Buffington, M. L., Hamilton, G. C., Harper, J. K., Hoelmer, K. A., Krawczyk, G., Kuhar, T. P., Pfeiffer, D. G., Nielsen, A. L., Rice, K. B., Rodriguez-Saona, C., Shearer, P. W., Shrewsbury, P. M., Talamas, E. J., Walgenbach, J. F., Wiman, N. G. & 1 others, Leskey, T. C., 2021, In: Journal of Integrated Pest Management. 11, 1, 4.

Research output: Contribution to journalArticlepeer-review

Survey for adventive populations of the samurai wasp, trissolcus japonicus (Hymenoptera: Scelionidae) in Pennsylvania at commercial fruit orchards and the surrounding forest

Peterson, H. M., Talamas, E. & Krawczyk, G., Mar 2021, In: Insects. 12, 3, 258.

Research output: Contribution to journalArticlepeer-review

Development of a LiDAR-guided section-based tree canopy density measurement system for precision spray applications

Sultan Mahmud, M., Zahid, A., He, L., Choi, D., Krawczyk, G., Zhu, H. & Heinemann, P., Mar 2021, In: Computers and Electronics in Agriculture. 182, 106053.

Research output: Contribution to journalArticlepeer-review

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

Walgenbach, J. F., Schoof, S. C., Bosch, D., Escudero-Colomar, L. A., Lingren, B. & Krawczyk, G., Oct 1 2021, In: Environmental entomology. 50, 5, p. 1063-1074 12 p.

Research output: Contribution to journalArticlepeer-review

Season-long monitoring of the brown marmorated stink bug (Hemiptera: Pentatomidae) throughout the United States using commercially available traps and lures

Acebes-Doria, A. L., Agnello, A. M., Alston, D. G., Andrews, H., Beers, E. H., Bergh, J. C., Bessin, R., Blaauw, B. R., Buntin, G. D., Burkness, E. C., Chen, S., Cottrell, T. E., Daane, K. M., Fann, L. E., Fleischer, S. J., Guédot, C., Gut, L. J., Hamilton, G. C., Hilton, R., Hoelmer, K. A. & 18 others, Hutchison, W. D., Jentsch, P., Krawczyk, G., Kuhar, T. P., Lee, J. C., Milnes, J. M., Nielsen, A. L., Patel, D. K., Short, B. D., Sial, A. A., Spears, L. R., Tatman, K., Toews, M. D., Walgenbach, J. D., Welty, C., Wiman, N. G., Van Zoeren, J. & Leskey, T. C., Feb 8 2020, In: Journal of economic entomology. 113, 1, p. 159-171 13 p.

Research output: Contribution to journalArticlepeer-review

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

Alford, A., Kuhar, T. P., Hamilton, G. C., Jentsch, P., Krawczyk, G., Walgenbach, J. F., Welty, C. & Anderson, T., Apr 6 2020, In: Journal of economic entomology. 113, 2, p. 1043-1046 4 p.

Research output: Contribution to journalArticlepeer-review

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

Joshi, N. K., Hull, L. A. & Krawczyk, G., 2020, In: Journal of Entomological Science. 55, 1, p. 105-116 12 p.

Research output: Contribution to journalArticlepeer-review

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

Leach, H., Biddinger, D. J., Krawczyk, G., Smyers, E. & Urban, J. M., Oct 2019, In: Crop Protection. 124, 104833.

Research output: Contribution to journalArticlepeer-review

Successful management of Halyomorpha halys (Hemiptera: Pentatomidae) in commercial apple orchards with an attract-and-kill strategy

Morrison, W. R., Blaauw, B. R., Short, B. D., Nielsen, A. L., Bergh, J. C., Krawczyk, G., Park, Y. L., Butler, B., Khrimian, A. & Leskey, T. C., Jan 2019, In: Pest Management Science. 75, 1, p. 104-114 11 p.

Research output: Contribution to journalArticlepeer-review

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)

Hajek, A. E., Solter, L. F., Maddox, J. V., Huang, W. F., Estep, A. S., Krawczyk, G., Weber, D. C., Hoelmer, K. A., Sanscrainte, N. D. & Becnel, J. J., May 1 2018, In: Journal of Eukaryotic Microbiology. 65, 3, p. 315-330 16 p.

Research output: Contribution to journalArticlepeer-review