Insect Ecology at Purdue - Ian Kaplan's Lab



Kaplan I, Pineda A, Bezemer TM. 2018. Application and theory of plant-soil feedbacks on aboveground herbivores. Aboveground-Belowground Community Ecology, eds. Ohgushi T, Wurst S, Johnson S. Springer, in press.

Vidal-Gomez U, Rodriguez-Saona C, Kaplan I. 2018. Constitutive exposure to the volatile methyl salicylate reduces per-capita foraging efficiency of a generalist predator to learned prey associations. Entomologia Experimentalis et Applicata, in press.

Zhu H, Wang W, Qu Y, Fu J, Jiang S, Wang D, Kaplan I, Ren B. 2018. Resource-mediated effects of grazing and irrigation on insect diversity in a meadow steppe. Insect Conservation & Diversity, in press.

Angelella GA, Michel A, Kaplan I. 2018. Using host-associated differentiation to track source population and dispersal distance among insect vectors of plant pathogens. Evolutionary Applications, in press.

Ingerslew K, Kaplan I. 2018. Distantly related crops are not better rotation partners for tomato. Journal of Applied Ecology, in press.

Li X, Garvey M, Kaplan I, Li B, Carrillo J. 2018. Domestication of tomato has reduced the attraction of herbivore natural enemies to pest‐damaged plants. Agricultural & Forest Entomology, in press.

Angelella GA, Nalam V, Nachappa P, White J, Kaplan I. 2018. Endosymbionts differentially alter exploratory probing behavior of a nonpersistent plant virus vector. Microbial Ecology, in press.

Ingwell LL, Avila-Ruiz DA, Foster R, Kaplan I. 2018. Tailoring insect biocontrol for high tunnels. Biological Control, 123:76-86.


Kaplan I. 2017. A cry for help or sexual perfumes? An alternative hypothesis for wasp attraction to the scent of caterpillar‐wounded plants. Plant, Cell & Environment, 40:327-329.

Blubaugh CK, Widick IV, Kaplan I. 2017. Does fear beget fear? Risk-mediated habitat selection triggers predator avoidance at lower trophic levels. Oecologia, 185:1-11.

Rowen E, Gutensohn M, Dudareva N, Kaplan I. 2017. Carnivore attractant or plant elicitor? Multi-functional roles of methyl salicylate lures in tomato defense. Journal of Chemical Ecology, 43:573-585.

Ingwell LL, Thompson SL, Kaplan I, Foster RE. 2017. High tunnels: Protection for rather than from insect pests? Pest Management Science, 73:2439-2446.

Pineda A, Kaplan I, Bezemer TM. 2017. Steering soil microbiomes to suppress aboveground insect pests. Trends in Plant Science, 22:770-778.


Blubaugh CK, Hagler JR, Machtley SA, Kaplan I. 2016. Cover crops increase foraging activity of omnivorous predators in seed patches and facilitate weed biological control. Agriculture, Ecosystems & Environment, 231: 264-270

Kaplan I, Carrillo J, Garvey M, Ode PJ. 2016. Indirect plant–parasitoid interactions mediated by changes in herbivore physiology. Current Opinion in Insect Science, 14: 112-119

Rowen E, Kaplan I. 2016. Eco‐evolutionary factors drive induced plant volatiles: a meta‐analysis. New Phytologist, 210: 284-294

Blubaugh CK, Kaplan I. 2016. Invertebrate seed predators reduce weed emergence following seed rain. Weed Science, 64: 80-86

Angelella GM, Hollarn JD, Kaplan I. 2016. Landscape composition is more important than local management for crop virus-insect vector interactions. Agriculture, Ecosystems & Environment, 233: 253-261


Hoagland L, Navazio J, Zystro J, Kaplan I, Vargas JG, Gibson K. 2015. Key traits and promising germplasm for an organic participatory tomato breeding program in the US Midwest. HortScience, 50: 1301-1308

Angelella GM, Egel DS, Holland JD, Nemacheck JA, Williams CE, Kaplan I. 2015. Differential life history trait associations of aphids with nonpersistent viruses in cucurbits. Environmental Entomology, 44: 562-573

Kaplan I, Lewis D. 2014. What happens when crops are turned on? Simulating constitutive volatiles for tri-trophic pest suppression across an agricultural landscape. Pest Management Science, 71: 139-150

Thaler JS, Olsen EL, Kaplan I. 2015. Jasmonate-induced plant defenses and prey availability impact the preference and performance of an omnivorous stink bug, Podisus maculiventris. Arthropod-Plant Interactions, 9: 141-148

Blubaugh CK, Kaplan I. 2015. Tillage compromises weed seed predator activity across developmental stages. Biological Control, 81: 76-82


van Nouhuys S, Kaplan I. 2014. Beyond a taxonomically driven approach for describing pattern and process in complex insect communities. Current Opinion in Insect Science, 2: v-vii

Gutensohn M, Nguyen TTH, McMahon RD, Kaplan I, Pichersky E, Dudareva N. 2014. Metabolic engineering of monoterpene biosynthesis in tomato fruits via introduction of the non-canonical substrate neryl diphosphate. Metabolic Engineering, 24: 107-116

Kaplan I, McArt SH, Thaler JS. 2014. Plant defenses and predation risk differentially shape patterns of consumption, growth, and digestive efficiency in a guild of leaf-chewing insects. PLoS ONE, 9(4)

Kelly JL, Hagler JR, Kaplan I. 2014. Semiochemical lures reduce emigration and enhance pest control services in open-field predator augmentation. Biological Control, 71: 70-77

Radville L, Gonda-King L, Gomez S, Kaplan I. Preisser EL. 2014. Are exotic herbivores better competitors? A meta-analysis. Ecology, 95: 30-36


Mouttet R, Kaplan I, Bearez P, Amiens-Desneux E, Desneux N. 2013. Spatiotemporal patterns of induced resistance and susceptibility linking diverse plant parasites. Oecologia, 173: 1379-1386

Dudareva N, Klempien A, Muhlemann JK, Kaplan I. 2013. Tansley Review -- Biosynthesis, function and metabolic engineering of plant volatile organic compounds. New Phytologist, 198: 16-32

Soler R, Erb M, Kaplan I. 2013. Long distance root-shoot signaling in plant-insect community interactions. Trends in Plant Science, 18: 149-156


Braasch J, Wimp GM, Kaplan I. 2012. Testing for phytochemical synergism: arthropod community responses to induced plant volatile blends across crops. Journal of Chemical Ecology, 38: 1264-1275

Braasch J, Kaplan I. 2012. Over what distance are plant volatiles bioactive? Estimating the spatial dimensions of attraction in an arthropod assemblage. Entomologia Experimentalis et Applicata, 145: 115-123

Thaler JS, McArt SH, Kaplan I. 2012. Compensatory mechanisms for ameliorating the fundamental trade-off between predator avoidance and foraging. Proceedings of the National Academy of Sciences (USA), 109: 12075-12080

Kaplan I. 2012. Attracting carnivorous arthropods with plant volatiles: the future of biocontrol or playing with fire? Biological Control, 60: 77-89

Kaplan I, Thaler JS. 2012. Phytohormone-mediated plant resistance and predation risk act independently on the population growth and wing formation of potato aphids, Macrosiphum euphorbiae. Arthropod-Plant Interactions, 6: 181-186

Kelly JL, Hagler JR, Kaplan I. 2012. Employing immunomarkers to track dispersal and trophic relationships of a piercing-sucking predator, Podisus maculiventris (Hemiptera: Pentatomidae). Environmental Entomology, 41: 1527-1533

Kaplan I. 2012. Trophic complexity and the adaptive value of damage-induced plant volatiles. PLOS Biology, 10(11): e1001437


Kaplan I, Angelella G, Blubaugh C, Braasch J, Caceres V, Prado J, Quesada C, Sadof CS, Spigler M, Thompson S. 2011. Book review: Relationships of natural enemies and non-prey foods. American Entomologist 57: 116-117

Price PW, Denno RF, Eubanks MD, Finke DL, Kaplan I. 2011. Insect Ecology: Behavior, Populations, and Communities. Cambridge University Press Publisher link

Blubaugh CK, Caceres VA, Kaplan I, Larson J, Sadof CS, Richmond DS. 2011. Ground beetle (Coleoptera: Carabidae) phenology, diversity, and response to weed cover in a turfgrass ecosystem. Environmental Entomology, 40: 1093-1101

Rodriguez-Saona C, Kaplan I, Braasch J, Chinnasamy D, Williams L. 2011. Field responses of predaceous arthropods to methyl salicylate: a meta-analysis and case study in cranberries. Biological Control, 59: 294-303

Kaplan I, Thaler JS. 2011. Do plant defenses enhance or diminish prey suppression by omnivorous Heteroptera? Biological Control, 59: 53-60

Kaplan I, Sardanelli S, Rehill BJ, Denno RF. 2011. Toward a mechanistic understanding of competition in vascular-feeding herbivores: an empirical test of the sink competition hypothesis. Oecologia, 166: 627-636


Kaplan I, Thaler JS. 2010. Plant resistance attenuates the consumptive and non-consumptive impacts of predators on prey. Oikos, 119: 1105-1113   


Barbosa P, Hines J, Kaplan I, Martinson H, Szczepaniec A, Szendrei Z. 2009. Associational resistance and susceptibility: having right or wrong neighbors. Annual Review of Ecology, Evolution & Systematics, 40: 1-20  

Kaplan I, Dively GP, Denno RF. 2009. The costs of anti-herbivore defense traits in agricultural crop plants: a case study involving leafhoppers and trichomes. Ecological Applications, 19: 864-872  

Kaplan I, Sardanelli S, Denno RF. 2009. Field evidence for indirect interactions between foliar-feeding insect and root-feeding nematode communities on Nicotiana tabacum. Ecological Entomology, 34: 262-270  


Denno RF, Gruner D, Kaplan I. 2008. Potential for entomopathogenic nematodes in biological control: a meta-analytical synthesis and insights from trophic cascade theory. Journal of Nematology, 40: 61-72  

Kaplan I, Halitschke R, Kessler A, Sardanelli S, Denno RF. 2008. Effects of plant vascular architecture on aboveground-belowground-induced responses to foliar and root herbivores on Nicotiana tabacum. Journal of Chemical Ecology, 34: 1349-1359  

Kaplan I, Halitschke R, Kessler A, Rehill BJ, Sardanelli S, Denno RF. 2008. Physiological integration of roots and shoots in plant defense strategies links above- and belowground herbivory. Ecology Letters, 11: 841-851  

Kaplan I, Dively GP, Denno RF. 2008. Variation in tolerance and resistance to the leafhopper Empoasca fabae (Hemiptera: Cicadellidae) among potato cultivars: implications for action thresholds. Journal of Economic Entomology, 101: 959-968  

Kaplan I, Halitschke R, Kessler A, Sardanelli S, Denno RF. 2008. Constitutive and induced defenses to herbivory in above- and belowground plant tissues. Ecology, 89: 392-406  


Kaplan I, Denno RF. 2007. Interspecific interactions in phytophagous insects revisited: a quantitative assessment of competition theory. Ecology Letters, 10: 977-994  

Kaplan I, Lynch ME, Dively GP, and Denno RF. 2007. Leafhopper-induced plant resistance enhances predation risk in a phytophagous beetle. Oecologia, 152: 665-675  

Denno RF, Kaplan I. 2007. Plant-mediated interactions in herbivorous insects: mechanisms, symmetry, and challenging the paradigms of competition past. In: Ecological Communities: Plant Mediation in Indirect Interaction Webs, eds Ohgushi T, Craig TP, Price PW, p. 19-50. Cambridge University Press  


Lynch ME, Kaplan I, Dively GP, Denno RF. 2006. Host-plant-mediated competition via induced resistance: interactions between pest herbivores on potatoes. Ecological Applications 16: 855-864  

Styrsky JD, Kaplan I, Eubanks MD. 2006. Plant trichomes indirectly enhance tritrophic interactions involving a generalist predator, the red imported fire ant. Biological Control 36: 375-384  


Kaplan I, Eubanks MD. 2005. Aphids alter the community-wide impact of fire ants. Ecology 86: 1640-1649  


Kaplan I, Eubanks MD. 2002. Disruption of cotton aphid (Homoptera: Aphididae)-natural enemy dynamics by red imported fire ants (Hymenoptera: Formicidae). Environmental Entomology 31: 1175-1183