John Tooker

Affiliate Researcher
Titles and Affiliations
Professor, Entomology

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

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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalComment/debatepeer-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 journalArticlepeer-review

Are polycultures for silage pragmatic medleys or gallimaufries?

Burton, A. B., Baniszewski, J., Roth, G. W., Tooker, J. F. & Kemanian, A. R., Mar 1 2021, In: Agronomy Journal. 113, 2, p. 1205-1221 17 p.

Research output: Contribution to journalArticlepeer-review

Life History, Biology, and Distribution of Pterostichus melanarius (Coleoptera: Carabidae) in North America

Busch, A. K., Wham, B. E. & Tooker, J. F., Dec 17 2021, In: Environmental entomology. 50, 6, p. 1257-1266 10 p.

Research output: Contribution to journalArticlepeer-review

Assessing surface and subsurface transport of neonicotinoid insecticides from no-till crop fields

Frame, S. T., Pearsons, K. A., Elkin, K. R., Saporito, L. S., Preisendanz, H. E., Karsten, H. D. & Tooker, J. F., Mar 1 2021, In: Journal of Environmental Quality. 50, 2, p. 476-484 9 p.

Research output: Contribution to journalArticlepeer-review

Are bacterial symbionts associated with gall induction in insects?

Hammer, T. J., De Clerck-Floate, R., Tooker, J. F., Price, P. W., Miller, D. G. & Connor, E. F., Feb 2021, In: Arthropod-Plant Interactions. 15, 1, p. 1-12 12 p.

Research output: Contribution to journalArticlepeer-review

Preventative pest management in field crops influences the biological control potential of epigeal arthropods and soil-borne entomopathogenic fungi

Johnston-Fennell, L., Tooker, J., Nault, B. A. & Wickings, K., Oct 1 2021, In: Field Crops Research. 272, 108265.

Research output: Contribution to journalArticlepeer-review

Wild bees as winners and losers: Relative impacts of landscape composition, quality, and climate

Kammerer, M., Goslee, S. C., Douglas, M. R., Tooker, J. F. & Grozinger, C. M., Mar 2021, In: Global Change Biology. 27, 6, p. 1250-1265 16 p.

Research output: Contribution to journalArticlepeer-review

Preventive insecticide use affects arthropod decomposers and decomposition in field crops

Pearsons, K. A. & Tooker, J. F., Jan 2021, In: Applied Soil Ecology. 157, 103757.

Research output: Contribution to journalArticlepeer-review