Jared Gregory Ali, Ph.D.

Jared Gregory Ali, Ph.D.

  • Assistant Professor of Entomology
535 ASI Bldg.
University Park, PA 16802

Areas of Expertise

  • Entomology & Nematology
  • Insect-Plant Interactions
  • Behavioral Ecology
  • Chemical Ecology
  • Multi-trophic Interactions


  • Postdoctoral Fellow - Cornell University (2013), Ecol. & Evol. Biology
  • PhD - University of Florida (2011), Entomology & Nematology
  • MSc - University of Delaware (2008), Entomology & Applied Ecology

My focus is on the behavior and chemical ecology of mutli-trophic interactions. This includes plant responses to belowground herbivory, nematode and insect community ecology, chemical ecology, and coevolution. Research projects include trophic cascades, above-belowground interactions, chemotaxis of soil nematodes, and the evolution of plant defense strategies.


Top-down effects from parasitoids may mediate plant defence and plant fitness
Functional Ecology, Tan, Ching Wen, Peiffer, Michelle L., Ali, Jared G., Luthe, Dawn S., Felton, Gary W., 2020

The role of toxic nectar secondary compounds in driving differential bumble bee preferences for milkweed flowers
Oecologia, Villalona, Eris, Ezray, Briana D., Laveaga, Erica, Agrawal, Anurag A., Ali, Jared G., Hines, Heather M., 2020

Asymmetry in Herbivore Effector Responses
Journal of Chemical Ecology, Ray, Swayamjit, Helms, Anjel M., Matulis, Nina L., Davidson-Lowe, Elizabeth, Grisales, William, Ali, Jared G., 2020

The Combined Effect of Elevated O3 Levels and TYLCV Infection Increases the Fitness of Bemisia tabaci Mediterranean on Tomato Plants
Environmental entomology, Cui, Hongying, Sun, Yucheng, Zhao, Zihua, Zhang, Youjun, Ali, Jared, 2019

Host Plant Effects on Winter Moth (Lepidoptera
Environmental entomology, O'Donnell, Kaitlyn, Elkinton, Joseph, Donahue, Charlene, Groden, Eleanor, Ali, Jared, 2019

Host Plant Salinity Stress Affects the Development and Population Parameters of Nilaparvata lugens (Hemiptera
Environmental entomology, Quais, Md Khairul, Ansari, Naved Ahmad, Wang, Gui Yao, Zhou, Wen Wu, Zhu, Zeng Rong, Ali, Jared, 2019

Nitrogen Fertilization of Host Plant Influenced the Nutritional Status and Life History of the Madeira Mealybug (Hemiptera
Environmental entomology, Rhodes, Stephanie A., Turnbull, Matthew W., Chong, Juang Horng, Ali, Jared, 2019

Induced Plant Defenses Against Herbivory in Cultivated and Wild Tomato
Journal of Chemical Ecology, Paudel, Sulav, Lin, Po An, Foolad, Majid R., Ali, Jared Gregory, Rajotte, Edwin George, Felton, Gary, 2019

Chemical cues linked to risk
Functional Ecology, Helms, Anjel M., Ray, Swayamjit, Matulis, Nina L., Kuzemchak, Margaret C., Grisales, William, Tooker, John F., Ali, Jared G., 2019

Asymmetric effects of a leaf-chewing herbivore on aphid population growth
Ecological Entomology, Davidson-Lowe, Elizabeth, Szendrei, Zsofia, Ali, Jared Gregory, 2019

Airborne signals synchronize the defenses of neighboring plants in response to touch
Journal of experimental botany, Markovic, Dimitrije, Colzi, Ilaria, Taiti, Cosimo, Ray, Swayamjit, Scalone, Romain, Ali, Jared Gregory, Mancuso, Stefano, Ninkovic, Velemir, 2019

Plant Bio-Wars
Journal of Chemical Ecology, Castano-Duque, Lina, Helms, Anjel, Ali, Jared Gregory, Luthe, Dawn S., 2018

Airborne signals synchronize the defenses of neighboring plants in response to touch
JOURNAL OF EXPERIMENTAL BOTANY, Markovic, Dimitrije, Colzi, Ilaria, Taiti, Cosimo, Ray, Swayamjit, Scalone, Romain, Ali, Jared, Mancuso, Stefano, Ninkovic, Velemir, 2018

Mycorrhizal composition influences plant anatomical defense and impacts herbivore growth and survival in a life-stage dependent manner
Pedobiologia, Malik, Rondy J., Ali, Jared G., Bever, James D., 2018

Susceptibility of wounded and intact black soldier fly Hermetia illucens (L.) (Diptera
Journal of invertebrate pathology, Tourtois, Joseph, Ali, Jared Gregory, Grieshop, Matthew J., 2017

Choosy mothers pick challenging plants
Ecological Entomology, Hufnagel, Monica, Schilmiller, Anthony L., Ali, Jared, Szendrei, Zsofia, 2017

Trade-offs and tritrophic consequences of host shifts in specialized root herbivores
Functional Ecology, Ali, Jared Gregory, Agrawal, Anurag A., 2017

Identification of plant semiochemicals and evaluation of their interactions with early spring insect pests of asparagus
Journal of Plant Interactions, Morrison, William R., Ingrao, Adam, Ali, Jared, Szendrei, Zsofia, 2016

Asymmetry of plant-mediated interactions between specialist aphids and caterpillars on two milkweeds
Functional Ecology, Ali, Jared G., Agrawal, Anurag A., 2014

Above-ground herbivory by red milkweed beetles facilitates above- and below-ground conspecific insects and reduces fruit production in common milkweed
Journal of Ecology, Erwin, Alexis C., Züst, Tobias, Ali, Jared Gregory, Agrawal, Anurag A., 2014

Sending Mixed Messages
Journal of Chemical Ecology, Ali, Jared G., Campos-Herrera, Raquel, Alborn, Hans T., Duncan, Larry W., Stelinski, Lukasz L., 2013

An amino acid substitution inhibits specialist herbivore production of an antagonist effector and recovers insect-induced plant defenses
Plant physiology, Schmelz, Eric A., Huffaker, Alisa, Carroll, Mark J., Alborn, Hans T., Ali, Jared G., Teal, Peter E.A., 2012

Subterranean, herbivore-induced plant volatile increases biological control activity of multiple beneficial nematode species in distinct habitats
PloS one, Ali, Jared G., Alborn, Hans T., Campos-Herrera, Raquel, Kaplan, Fatma, Duncan, Larry W., Rodriguez-Saona, Cesar, Koppenhöfer, Albrecht M., Stelinski, Lukasz L., 2012

Interspecific nematode signals regulate dispersal behavior
PloS one, Kaplan, Fatma, Alborn, Hans T., von Reuss, Stephan H., Ajredini, Ramadan, Ali, Jared Gregory, Akyazi, Faruk, Stelinski, Lukasz L., Edison, Arthur S., Schroeder, Frank C., Teal, Peter E., 2012

Induced Release of a Plant-Defense Volatile 'Deceptively' Attracts Insect Vectors to Plants Infected with a Bacterial Pathogen
PLOS PATHOGENS, Mann, Rajinder, Ali, Jared, Hermann, Sara, Tiwari, Siddharth, Pelz-Stelinski, Kirsten, Alborn, Hans, Stelinski, Lukasz, 2012

Ecology and Evolution of Soil Nematode Chemotaxis
JOURNAL OF CHEMICAL ECOLOGY, Rasmann, Sergio, Ali, Jared, Helder, Johannes, van der Putten, Wim H., None, 2012

Specialist versus generalist insect herbivores and plant defense
TRENDS IN PLANT SCIENCE, Ali, Jared, Agrawal, Anurag, 2012

Constitutive and induced subterranean plant volatiles attract both entomopathogenic and plant parasitic nematodes
Journal of Ecology, Ali, Jared G., Alborn, Hans T., Stelinski, Lukasz L., 2011