You can access the list of all my publications at Google Scholar. 
The following codes are listed after publications: *undergrad student; **grad student, †corresponding author.

  1. Peirce, E.S., Evers, B., Winn, Z.J., Raupp, W.J., Guttieri, M., Fritz, A.K., Poland, J., Akhunov, E., Haley, S., Mason, E. and Nachappa, P†. (2024), Identifying novel sources of resistance to wheat stem sawfly in five wild wheat species. Pest Manag Sci, 80: 2976-2990. https://doi.org/10.1002/ps.8008
  2. Pitt, W.J.**, Cooper, W.R., Pouchnik, D., Headrick, H. and Nachappa, P†. 2024, High-throughput molecular gut content analysis of aphids identifies plants relevant for potato virus Y epidemiology. Insect Science. https://doi.org/10.1111/1744-7917.13327
  3.  Punja, Z.K., Kahl, D., Reade, R., Xiang, Y., Munz, J., and Nachappa, P. 2023. Challenges to Cannabis sativa Production from Pathogens and Microbes-The Role of Molecular Diagnostics and Bioinformatics. Int J Mol Sci. Dec 19;25(1):14. doi: 10.3390/ijms25010014. PMID: 38203190; PMCID: PMC10779078.
  4.  MacWilliams, J., Peirce, E., Pitt, W.J**., Schreiner, M., Matthews, T.*, Yao, L., Broeckling, C., and Nachappa, P†. 2023. Assessing the adaptive role of cannabidiol (CBD) in Cannabis sativa defense against cannabis aphids. Front. Plant Sci. 14:1223894. doi: 10.3389/fpls.2023.1223894
  5.  Winn, Z.J., Hudson-Arns, E., Hammers, M., DeWitt, N., Lyerly, J., Bai, G., St Amand, P., Nachappa, P., Haley, S., and Mason, R.E. 2023. HaploCatcher: An R package for prediction of haplotypes. Plant Genome. Nov 15:e20412. doi: 10.1002/tpg2.20412. Epub ahead of print. PMID: 37968867.
  6.  Withycombe, J**., Schmidtbauer*, M., MacWilliams, J and Nachappa, P†. 2023. Beet curly top virus. Compendium of Cannabis Diseases. N. W. Gauthier and L. D. Thiessen (Editors). https://doi.org/10.1094/9780890546284.05.03.1
  7.  Hackenberg, L**., MacWilliams, J and Nachappa, P†. 2023. Hop latent viroid. Compendium of Cannabis Diseases. N. W. Gauthier and L. D. Thiessen (Editors). https://doi.org/10.1094/9780890546284.05.06.1
  8.  Hayes, C**., Carter, C*., MacWilliams, J., Cranshaw, W., Chaparro, J.M., Prenni, J and Nachappa, P†. 2023. Biology and Management of Hemp Russet Mite. J. Econ. Entomol. J Econ Entomol. 116(5):1706-1714. doi: 10.1093/jeer/toad137. PMID: 37450624.
  9.  Carter*, C., MacWilliams, and Nachappa, P†. 2023. Development of a Real-Time PCR Assay for Detection of Hemp Russet Mite (Aculops cannabicola). Environmental Entomology nvad060. doi: 10.1093/ee/nvad060. Epub ahead of print. PMID: 37535869.
  10.  Szczepaniec, A., Lathrop-Melting, A., Janecek, T., Nachappa, P., Cranshaw, W., Alnajjar, G. and Axtell,A. 2023.  Suppression of hemp russet mite, Aculops cannabicola (Acari: Eriophyidae), in industrial hemp in greenhouse and field, Environmental Entomology, nvad052, https://doi.org/10.1093/ee/nvad052
  11.  Peirce, E.S., Cockrell, D.M., Mason, E., Haley, S., Peairs, F., and Nachappa, P†. 2022. Solid Stems and Beyond: Challenges and Future Directions of Resistance to Wheat Stem Sawfly (Hymenoptera: Cephidae), Journal of Integrated Pest Management, Volume 13, Issue 1, 29
  12.  Albrecht, T., White, S*., Layton, M., Stenglein, M., Haley, S., and Nachappa, P†. 2022. Occurrence of wheat curl mite and mite-vectored viruses of wheat in Colorado and insights into the wheat virome. Plant Dis. 2022 106:10, 2678-2688. Editor’s pick of the month.
  13.  Pitt, W.J.**, Kairy, L*., Villa, E*., Nalam, V.J., and Nachappa, P†. 2022. Virus infection and host plant suitability affect feeding behaviors of cannabis aphid (Hemiptera: Aphididae), a newly described vector of potato virus Y. Environmental Entomology 51(2):322-331. doi: 10.1093/ee/nvac001.
  14.  Peirce, E.S., Cockrell, D.M, Ode, P.J., Peairs, F.B., and Nachappa, P. 2022. Triticale as a potential trap crop forthe wheat stem sawfly (Hymenoptera: Cephidae) in winter wheat. Front. Agron. 4:779013. doi: 10.3389/fagro.2022.779013.
  15.  Xie, Y., Nachappa, P., Nalam, V.J and Pearce, S. 2022. Genomic and Molecular Characterization of Wheat Streak Mosaic Virus Resistance Locus 2 (Wsm2) in Common Wheat (Triticum Aestivum L.). Front.Plant Sci.13:928949. doi:10.3389/fpls.2022.928949
  16.  Moh'd A. Al Mousa, Nachappa, P., Ruiter, D.E., Givens, D.R., Fairchild, M.P. 2022. Caddisflies (Insecta: Trichoptera) of Montane and Alpine Lakes of Northern Colorado (USA). Western North American Naturalist, 82(3), 563-576.
  17.  Chiginsky, J**., Langemeier, K*., MacWilliams, J., Albrecht, T., Cranshaw, W., Fulladolsa, AC., Kapuscinski, M, Stenglein, M., and Nachappa, P†. 2021. First insights into the virus and viroid communities in hemp (Cannabis sativa). Front. Agron. 3:778433. doi: 10.3389/fagro.2021.778433
  18.  Nalam, V., Albrecht, T., Issacs, T*., Moh*, S., Kansman, J**., Finke, D., and Nachappa, P. 2021. Diurnal feeding as a potential mechanism of osmoregulation in aphids. Insect Science 28, 521–532.
  19.  Nachappa, P†., Haley, S., and Pearce, S. 2021. Interactions between the wheat curl mite and viruses: 2021. Resistance status and mechanisms. Focus issue on "Insect Adaptation and Host Plant Resistance: Integrating Modern and Traditional Approaches". Andy Michel and Marion Harris (eds). Current Opinion in Insect Science (45): 21-27.
  20.  Nalam, V.J., Han, J**., Pitt*, W.J., Acharya, S.R**., and Nachappa, P†. 2021. Location, location, location: Feeding site affects aphid performance by altering access and quality of food source. PLoS ONE 16(2): e0245380.
  21.  Joshi, K**., Baumgardner, J.L*., MacPhail, M.*, Acharya, S.R.**, Blotevogel, E., Dayan, F.E., Nachappa, P., and Nalam, V.J. 2021. The source of rag5-mediated resistance to soybean aphids is located in the stem. Front. Plant Sci. 12:689986. doi: 10.3389/fpls.2021.689986
  22.  Nachappa, P†., Margolies, D. C., Nechols, J. R., Whitfield, A. E., and Rotenberg, D. 2020. Tomato spotted wilt virus benefits its thrips vector, by modulating different plant responses in tomato. Frontiers in Plant Science 11:575564.
  23.  Nachappa, P†., Fulladolsa, A.C., and Stenglein, M. 2020. Wild wild west: Emerging viruses and viroids of hemp. Outlooks in Pest Management 31 (4) 175-179. Invited review.
  24.  Kansman, J**., Nalam, V.J., Nachappa, P., and Finke, D. 2020. Plant water stress intensity influences use of host plants by aphids. Ecological Entomology 45 (6): 1437-1444.
  25.  Nalam, V, Han, J**., Nachappa, P., and Szczepaniec, A. 2020. Drought stress and pathogen infection alter feeding behavior of a phytopathogen vector. Entomologia Experimentalis et Applicata 1-11. This paper was chosen as the Editor’s Choice Paper.
  26.  Han, J**., Yu, I., Nalam, V and Nachappa, P†. 2019. Vector competence of thrips species to transmit Soybean vein necrosis virus. Frontiers in Microbiology 10:431. doi: 10.3389/fmicb.2019.00431. This paper was among Frontiers’ top articles for views and downloads in 2020.
  27. Keough, S**., Danielson, J*., Marshall, J., Lagos, D., Voegtlin, D., Srinivasan, R., and Nachappa, P†. 2018. Factors affecting population dynamics of thrips vectors of Soybean vein necrosis virus. Environmental Entomology 47(3):734-740.
  28.  Angelella, G**., Nalam, V.J., Nachappa, P., White, J and Kaplan, I. 2018. Endosymbionts differentially alter exploratory probing behavior of a nonpersistent plant virus vector. Microbial Ecology (2018) 76:453–458.
  29.  Keough, S**, Han, J**., Shuman, T*., Wise, K., and Nachappa, P†. 2016. Effects of Soybean vein necrosis virus on life history and host preference of its vector, Neohydatothrips variabilis and evaluation of vector status of Frankliniella tritici and F. fusca. Journal of Economic Entomology 109 (5): 1979-1987.
  30.  Selig, P**., Keough, S**., Nalam, V and Nachappa, P†. 2016. Jasmonate-dependent plant defenses mediate soybean thrips and soybean aphid performance on soybean. Arthropod-Plant Interactions 10 (4): 273-282.
  31.  Nachappa, P†., Culkin, C**., Saya, P.M*., Han, J**., and Nalam, V. 2016. Water Stress modulates soybean aphid performance, feeding behavior, and virus transmission in soybean. Frontiers in Plant Science 7:552. doi: 10.3389/fpls.2016.00552. 
  32.  Nachappa, P., Levy, J., Pierson, E., and Tamborindeguy, C. 2014. Bacterial plant pathogen titer in its insect vector correlates with reduced population growth rate of the vector. Journal of Invertebrate Pathology 115:55-61.
  33.  Nachappa, P†., Margolies, D. C., Nechols, J. R., Whitfield, A. E., and Rotenberg, D. 2013. Tomato spotted wilt virus benefits a non-vector arthropod, Tetranychus urticae, by modulating different plant responses in tomato. PLOS ONE 8(9): e75909.
  34.  Nalam, V. J., Shah, J., and Nachappa, P†. 2013. Emerging role of roots in plant responses to aboveground insect herbivory. Insect Science 20: 286-296. Invited review.
  35.  Hout, O. B**., Nachappa, P., and Tamborindeguy, C. 2013. The evolutionary strategies of plant defense have a dynamic impact on the adaptations and interactions of vectors and pathogens. Insect Science 20: 297-306. Invited review.
  36.  Nachappa, P., Levy, J., and Tamborindeguy, C. 2012. Transcriptome analyses of Bactericera cockerelli adults in response to “Candidatus Liberibacter solanacearum” infection. Molecular Genetics and Genomics 287 (10): 803-817.
  37.  Nachappa, P., Shapiro, A. A*., and Tamborindeguy, C. 2012. Effect of “Candidatus Liberibacter solanacearum” on the fitness of its vector, Bactericera cockerelli (Hemiptera: Triozidae). Phytopathology 102 (1): 41-46.
  38.  Nachappa, P., Levy, J., Pierson, E., and Tamborindeguy, C. 2011. Diversity of endosymbionts in the potato psyllid, Bactericera cockerelli (Hemiptera: Triozidae) vector of zebra chip disease. Current Microbiology 62:1510-1520.
  39.  Nachappa, P†., Margolies, D.C., Nechols, J.R., and Campbell, J.F. 2011. Variation in predator foraging behavior changes predator-prey spatio-temporal dynamics. Functional Ecology 25: 1309-1317.
  40.  Medina, R., Nachappa, P., and Tamborindeguy, C. 2011. Differences in bacterial diversity of Host-associated populations of Phylloxera notabilis Pergande (Hemiptera: Aphididae) in pecan and water hickory. Journal of Evolutionary Biology 24 (4):761-771.
  41.  Nachappa, P., Margolies, D.C., Nechols, J.R., and Morgan, T.J. 2010. Genetic variation of foraging behaviors and associated life histories in a predatory mite. Evolutionary Ecology 24: 631-655.
  42.  Nachappa, P., Margolies, D.C., and Nechols, J.R. 2006. Resource-dependent giving-up time of the predatory mite, Phytoseiulus persimilis. Journal of Insect Behavior 19: 741-52.
  43.  Nachappa, P., Margolies, D.C., Nechols, J.R., and Loughin, T. 2006. Phytoseiulus persimilis response to herbivore-induced plant volatiles as a function of mite-days. Experimental Applied Acarology 40: 231-239.
  44.  Nachappa, P., Guillebeau, L. P., Braman, S.K., and All, J. N. 2006. Susceptibility of twolined spittlebug, Prosapia bicincta (Say) (Hemiptera: Cercopidae) life stages to entomophagous arthropods in turfgrass. Journal of Economic Entomology 99(5): 1711-1716.
  45.  Nachappa, P., Braman, S.K., Guillebeau, L. P., and All, J. N. 2006. Functional response of the tiger beetle, Megacephala carolina carolina (Coleoptera: Cicindelidae) on twolined spittlebug (Hemiptera: Cercopidae) and fall armyworm (Lepidoptera: Noctuidae). Journal of Economic Entomology 99(5): 1583-1589.
  46.  Nachappa, P., Braman, S.K., and Guillebeau, L. P. 2006. Exclusive use of hollies as male-specific hosts of twolined spittlebug (Hemiptera: Cercopidae). Journal of Entomological Science 41: 261-263.