Research Summary
Research interests include insect-plant interactions in agricultural systems, chemical ecology, induced host-plant defenses, natural-enemy ecology, tritrophic interactions and gall-inducing insects.
In the News
Research Keywords
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Recent Publications
Vertical tillage effects on crop production and pest management in Pennsylvania
Lefever, A. M., Wallace, J. M., White, C. M., Duiker, S. W., Esker, P. D. & Tooker, J., Mar 1 2024, In: Agronomy Journal. 116, 2, p. 520-530 11 p.Research output: Contribution to journal › Article › peer-review
Comparative anatomy of venom glands suggests a role of maternal secretions in gall induction by cynipid wasps (Hymenoptera: Cynipidae)
Guiguet, A., Tooker, J. F., Deans, A. R., Miko, I., Ning, G., Schweger, S. & Hines, H. M., Sep 1 2023, In: Insect Systematics and Diversity. 7, 5, 3.Research output: Contribution to journal › Article › peer-review
Extreme acidity in a cynipid gall: a potential new defensive strategy against natural enemies
Guiguet, A., McCartney, N. B., Gilbert, K. J., Tooker, J. F., Deans, A. R., Ali, J. G. & Hines, H. M., Mar 1 2023, In: Biology Letters. 19, 3, 20220513.Research output: Contribution to journal › Article › peer-review
Nematodes Associated with Terrestrial Slugs in Mid-Atlantic (Delaware, USA) Soybean
Kunkel, B., Cissel, W. J., Tooker, J. F., Howe, D. K., Denver, D. R., Mc Donnell, R. J. & Hiltpold, I., Mar 2023, In: Agronomy. 13, 3, 645.Research output: Contribution to journal › Article › peer-review
Abscisic Acid: A Potential Secreted Effector Synthesized by Phytophagous Insects for Host-Plant Manipulation
Seng, S., Ponce, G. E., Andreas, P., Kisiala, A., De Clerck-Floate, R., Miller, D. G., Chen, M. S., Price, P. W., Tooker, J. F., Emery, R. J. N. & Connor, E. F., Jun 2023, In: Insects. 14, 6, 489.Research output: Contribution to journal › Article › peer-review
New Information about Lizard Beetles (Coleoptera: Erotylidae: Languria angustata (Beauvois, 1805) and Languria mozardi Latreille, 1807) in Pennsylvania
Skvarla, M. J., Tooker, J. & Murillo-Williams, A., Mar 17 2023, In: Coleopterists Bulletin. 77, 1, p. 28-31 4 p.Research output: Contribution to journal › Article › peer-review
Plant size, latitude, and phylogeny explain within-population variability in herbivory
The Herbivory Variability Network, Nov 1 2023, In: Science. 382, 6671, p. 679-683 5 p.Research output: Contribution to journal › Article › peer-review
Insecticide-contaminated honeydew: risks for beneficial insects
Calvo-Agudo, M., Tooker, J. F., Dicke, M. & Tena, A., Apr 2022, In: Biological Reviews. 97, 2, p. 664-678 15 p.Research output: Contribution to journal › Article › peer-review
More phylogenetically diverse polycultures inconsistently suppress insect herbivore populations
Coco, A. M., Yip, E. C., Kaplan, I. & Tooker, J. F., Apr 2022, In: Oecologia. 198, 4, p. 1057-1072 16 p.Research output: Contribution to journal › Article › peer-review
Planted-green cover crops in maize/soybean rotations confer stronger bottom-up than top-down control of slugs
Le Gall, M., Boucher, M. & Tooker, J. F., Aug 15 2022, In: Agriculture, Ecosystems and Environment. 334, 107980.Research output: Contribution to journal › Article › peer-review
Adverse effects of inbreeding on the transgenerational expression of herbivoreinduced defense traits in Solanum carolinense
Nihranz, C. T., Helms, A. M., Tooker, J. F., Mescher, M. C., De Moraes, C. M. & Stephenson, A. G., Oct 2022, In: PloS one. 17, 10 October, e0274920.Research output: Contribution to journal › Article › peer-review
Early-season plant cover supports more effective pest control than insecticide applications
Rowen, E. K., Pearsons, K. A., Smith, R. G., Wickings, K. & Tooker, J. F., Jul 2022, In: Ecological Applications. 32, 5, e2598.Research output: Contribution to journal › Article › peer-review
The effect of zinc fertilizer on maize growth, leaf mineral nutrition, and caterpillar herbivory
Rowen, E. K. & Tooker, J. F., Oct 2022, In: Arthropod-Plant Interactions. 16, 5, p. 525-535 11 p.Research output: Contribution to journal › Article › peer-review
Oak Galls Exhibit Ant Dispersal Convergent with Myrmecochorous Seeds
Warren, R. J., Guiguet, A., Mokadam, C., Tooker, J. F. & Deans, A. R., Aug 2022, In: American Naturalist. 200, 2, p. 292-301 10 p.Research output: Contribution to journal › Comment/debate › peer-review
Wheat intraspecific diversity suppressed diseases with subdued yield, economic return and arthropod predation services
Baniszewski, J., Burton, A., Kemanian, A. R., Roth, G. & Tooker, J., Aug 1 2021, In: Agriculture, Ecosystems and Environment. 315, 107438.Research output: Contribution to journal › Article › peer-review