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Brandi  Schemerhorn    Research Entomologist /ARSUserFiles/34702/Brandi.jpg  ProjectsGenetic and Molecular Mechanisms Underlying Plant-Insect Interactions in Cereal CropsIn-House Appropriated (D)Accession Number:443550Institutional Biological Safety Committee (IBC) Agreement - Purdue UniversityNon-Funded Cooperative Agreement (N)Accession Number:442029Understanding Mechanisms of Multitrophic Interactions between Aphids, Viruses, Symbionts and Cereal PlantsNon-Assistance Cooperative Agreement (S)Accession Number:442727  Publications(Clicking on the reprint iconReprint Icon  will take you to the publication reprint.)Hessian fly (Diptera: Cecidomyiidae) virulence in Louisiana: assessment of field populations from 2023 to efficacy of 27 Hessian fly resistance genes in wheat-(Peer Reviewed Journal) Schemerhorn, B.J., Cambron, S.E., Subramanyam, S.N. 2024. Hessian fly (Diptera: Cecidomyiidae) virulence in Louisiana: assessment of populations from 2008 and 2023 to 23 (R) genes in wheat. Ecological Entomology. https://doi.org/10.1093/jee/toae002.Genome-wide informative microsatellite markers and population structure of Fusarium virguliforme from Argentina and the USA-(Peer Reviewed Journal) Da Silva, L., Tian, H., Schemerhorn, B.J., Xu, J., Cai, G. 2023. Genome-wide informative microsatellite markers and population structure of Fusarium virguliforme from Argentina and the USA. The Journal of Fungi. https://doi.org/10.3390/jof9111109.Differential gene expression between viruliferous and non-viruliferous Schizaphis graminum (Rondani)-(Peer Reviewed Journal) Crane, Y.M., Crane, C.F., Schemerhorn, B.J. 2023. Differential gene expression between viruliferous and non-viruliferous Schizaphis graminum (Rondani). PLOS ONE. 18(11):e0294013. https://doi.org/10.1371/journal.pone.0294013.Molecular characterization of eliminated chromosomes in Hessian Fly (Mayetiola destructor (Say))-(Peer Reviewed Journal) Crane, Y.M., Crane, C.F., Cambron, S.E., Springmeyer, L.J., Schemerhorn, B.J. 2023. Molecular characterization of eliminated chromosomes in Hessian Fly (Mayetiola destructor (Say)). Chromosome Research (2023). 31(1). Article 3.  https://doi.org/10.1007/s10577-023-09718-8Wheat yield in a tolerant winter wheat line infested by Hessian fly (Mayetiola destructor)-(Peer Reviewed Journal) Roe, K.E., Schemerhorn, B.J. 2021. Wheat yield in a tolerant winter wheat line infested by Hessian fly (Mayetiola destructor). Advances in Entomology. 9(2):70-84. https://doi.org/10.4236/ae.2021.92007.Relationship of secreted salivary protein variants to virulence in Hessian fly (Mayetiola destructor (Say))-(Peer Reviewed Journal) Crane, Y.M., Crane, C.F., Schemerhorn, B.J. 2019. Relationship of secreted salivary protein variants to virulence in Hessian fly (Mayetiola destructor (Say)). Advances in Entomology. 8: 15-33. https://doi.org/10.4236/ae.2020.81002.Phenotypic and molecular characterization of Hessian fly resistance in diploid wheat, Aegilops tauschii-(Peer Reviewed Journal) Nemacheck, J.A., Schemerhorn, B.J., Scofield, S.R., Subramanyam, S.N. 2019. Phenotypic and molecular characterization of Hessian fly resistance in diploid wheat, Aegilops tauschii. Biomed Central (BMC) Plant Biology. 19:439. https://doi.org/10.1186/s12870-019-2058-6.Multiple molecular defense strategies in Brachypodium distachyon surmount Hessian fly (Mayetiola destructor) larvae-induced susceptibility for plant survival-(Peer Reviewed Journal) Subramanyam, S., Nemacheck, J.A., Hargarten, A., Sardesai, N., Williams, C.E., Schemerhorn, B.J. 2019. Multiple molecular defense strategies in Brachypodium distachyon surmount Hessian fly (Mayetiola destructor) larvae-induced susceptibility for plant survival. Scientific Reports. 9:2596. https://doi.org/10.1038/s41598-019-39615-2.A multiplexing strategy for mesoscale targeted sequencing of populations-(Peer Reviewed Journal) Crane, Y.M., Crane, C.F., Sanmiguel, P., Schemerhorn, B.J. 2018. A multiplexing strategy for mesoscale targeted sequencing of populations. Academia Journal of Agricultural Research. 8(8):221-228. https://doi.org/10.15413/ajar.2018.0168.Modulation of nonessential amino acid biosynthetic pathways in virulent Hessian fly larvae (Mayetiola destructor), feeding on susceptible host wheat (Triticum aestivum)-(Peer Reviewed Journal) Subramanyam, S., Nemacheck, J.A., Shreve, J., Schemerhorn, B.J., Shukle, R.H., Williams, C.E. 2018. Modulation of nonessential amino acid biosynthetic pathways in virulent Hessian fly larvae (Mayetiola destructor), feeding on susceptible host wheat (Triticum aestivum). Journal of Insect Physiology. 105:54-63. https://doi.org/10.1016/j.jinsphys.2018.01.001.Physical and metabolic consequences of Hessian fly infestation are more severe on nonhost Brachypodium distachyon than on host-plant resistant wheat-(Peer Reviewed Journal) Hargarten, A., Nemacheck, J.A., Subramanyam, S., Xiao, X., Schemerhorn, B.J., Williams, C.E. 2017. Physical and metabolic consequences of Hessian fly infestation are more severe on nonhost Brachypodium distachyon than on host-plant resistant wheat. Arthropod-Plant Interactions. doi:10.1007/s11829-017-9542-4.A novel, economical way to assess virulence in field populations of Hessian fly (Diptera: Cecidomyiidae) utilizing H13 as a model-(Peer Reviewed Journal) Johnson, A.J., Abdel Moniem, H.E., Flanders, K.L., Buntin, G.D., Subramanyam, S., Shukle, R.H., Schemerhorn, B.J. 2017. A novel, economical way to assess virulence in field populations of Hessian fly (Diptera: Cecidomyiidae) utilizing H13 as a model. Journal of Economic Entomology. 110(4): 1863–1868. https://doi.org/10.1093/jee/tox129.Tolerance as a potential control method for Hessian fly (Diptera:Cecidomyiidae) in winter wheat.-(Peer Reviewed Journal)Use of microsatellite and SNP markers to characterize biotypes in Hessian fly-(Peer Reviewed Journal) Schemerhorn, B.J., Crane, Y.M., Cambron, S.E., Crane, C.F., Shukle, R.H. 2015. Use of microsatellite and SNP markers to characterize biotypes in Hessian fly. Journal of Insect Science. 15(1):158. doi: 10.1093/jisesa/iev138.Effectiveness of genes for Hessian fly (Diptera: Cecidomyiidae) resistance in the southeastern United States-(Peer Reviewed Journal) Shukle, R.H., Cambron, S.E., Moniem, H.A., Schemerhorn, B.J., Redding, J.R., Buntin, D.G., Flanders, K.L., Reisig, D.D., Mohammadi, M. 2015. Effectiveness of genes for Hessian fly (Diptera: Cecidomyiidae) resistance in the southeastern United States. Journal of Economic Entomology. 109(1): 399-405.A massive expansion of effector genes underlies gall-formation in the wheat pest Mayetiola destructor-(Peer Reviewed Journal) Zhao, C., Escalanta, L.N., Chen, H., Benatti, T.R., Qu, J., Chellapilla, S., Waterhouse, R.M., Wheeler, D., Andersson, M.N., Bao, R., Batterton, M., Behura, S.K., Blankenburg, K.P., Caragea, D., Carolan, J.C., Coyle, M., El-Bouhssini, M., Francisco, L., Friedrich, M., Gill, N., Grace, T., Grimmelikhuijzen, C.J., Han, Y., Hauser, F., Herndon, N., Holder, M., Ioannidis, P., Jackson, L., Javaid, M., Jhangiani, S.N.,  Johnson, A.J., Kalra, D., Korchina, V., Kovar, C.L., Lara, F., Lee, S.L., Liu, X., Lofstedt, C., Mata, R., Mathew, T., Muzny, D.M., Nagar, S., Nazareth, L.V., Okwuonu, G., Ongeri, F., Perales, L., Peterson, B.F., Pu, L., Robertson, H.M., Schemerhorn, B.J., Scherer, S.E., Shreve, J.T., Simmons, D., Subramanyam, S., Thornton, R.L., Xue, K., Weissenberger, G.M., Williams, C.E., Worley, K.C., Zhu, D., Zhu, Y., Harris, M.O., Shukle, R.H., Werren, J.H., Zdobnov, E.M., Chen, M., Brown, S.J., Stuart, J.J., Richards, S. 2015. A massive expansion of effector genes underlies gall-formation in the wheat pest Mayetiola destructor. Current Biology. 25:613-620. DOI: 10.1016/j.cub.2014.12.057.Differential expression of candidate salivary effector proteins in field collections of Hessian fly, Mayetiola destructor-(Peer Reviewed Journal) Johnson, A.J., Shukle, R.H., Chen, M., Srivastava, S., Subramanyam, S., Schemerhorn, B.J., Weintraub, P.G., Moniem, H., Flanders, K.L., Williams, C.E. 2015. Differential expression of candidate salivary effector proteins in field collections of Hessian fly, Mayetiola destructor. Insect Molecular Biology. 24(2):191-202. DOI: 10.1111/imb.12148.The evolution of Hessian Fly from the Old World to the New World: evidence from molecular markers-(Peer Reviewed Journal)Population structure and the colonization route of one of the oldest North American invasive insects: Stories from the worn road of the Hessian Fly, Mayetiola destructor (Say)-(Peer Reviewed Journal) Morton, P.K., Schemerhorn, B.J. 2013. Population structure and the colonization route of one of the oldest North American invasive insects: Stories from the worn road of the Hessian Fly, Mayetiola destructor (Say). PLoS One. 8(3): e59833. DOI:10.1371/journal.pone.0059833.A genome-wide survey of small interfering RNA and micro RNA pathway genes in a galling insect-(Peer Reviewed Journal) Shreve, J.T., Shukle, R.H., Subrqamanyam, S., Johnson, A.J., Williams, C.E., Schemerhorn, B.J., Stuart, J.J. 2013. A genome-wide survey of small interfering RNA and micro RNA pathway genes in a galling insect. Journal of Insect Physiology. 59:367-376.Biological and molecular characterization of Hessian fly (Diptera: Cecidomyiidae) from Israel-(Peer Reviewed Journal) Johnson, A.J., Weintraub, P., Schemerhorn, B.J., Shukle, R.H., Katoch, R. 2012. Biological and molecular characterization of Hessian fly (Diptera: Cecidomyiidae) from Israel. Bulletin of Entomological Research. 102:632-643.Hessian fly - associated bacteria: transmission, essentiality, and composition-(Peer Reviewed Journal) Bansal, R., Hulbert, S., Schemerhorn, B.J., Reese, J.C., Withworth, J.R., Stuart, J.J., Chen, M. 2011. Hessian fly - associated bacteria: transmission, essentiality, and composition. PLoS One. 6(8):e23170.Translational insect genomics: pheromone traps and molecular markers genotype Hessian flies for virulence to resistance gene H13 in wheat-(Abstract Only) Johnson, A.J., Buntin, G., Flanders, K., Reay-Jones, F., Reisig, D., Schemerhorn, B.J., Stuart, J.J., Shukle, R.H. 2022. Translational insect genomics: pheromone traps and molecular markers genotype Hessian flies for virulence to resistance gene H13 in wheat. Plant Genomics Series. 78:30.Genotyping virulence to H13 wheat in field collections of Hessian fly from the southeastern United States-(Abstract Only)Differential transcription of cytochrome P450s and glutathione S transferases in DDT-susceptible and resistant Drosophila melanogaster strains in response to DDT and oxidative stress-(Peer Reviewed Journal) Sun, L., Schemerhorn, B.J., Jannash, A., Walters, K., Adamec, K., Muir, W., Pittendrigh, B. 2011. Differential transcription of cytochrome P450s and glutathione S transferases in DDT-susceptible and resistant Drosophila melanogaster strains in response to DDT and oxidative stress. Journal of Pesticide Biochemistry and Physiology. p. 7-15.Use of a nuclear marker to assess population structure in Hessian fly (Mayetiola destructor)-(Peer Reviewed Journal) Johnson, A.J., Morton, P.K., Schemerhorn, B.J., Shukle, R.H. 2011. Use of a nuclear marker to assess population structure in Hessian fly (Mayetiola destructor). Annals of the Entomological Society of America. 104:666-674.Characterization of Microsatellite Loci in Smicronyx Sodidus, the Gray Sunflower Seed Weevil (Coleoptera:  Curculionidae)-(Peer Reviewed Journal) Shujuan, L., Sun, L., Schemerhorn, B.J., Oseto, C.Y., Ferris, V.R. 2010. Characterization of Microsatellite Loci in Smicronyx Sodidus, the Gray Sunflower Seed Weevil (Coleoptera:  Curculionidae). Entomological News. 121:195:199.Differential response of DDT susceptible and resistant Drosophila melanogaster strains to DDT and oxidative stress-(Peer Reviewed Journal) Sun, L., Schemerhorn, B.J., Muir, W., Pittendrigh, B. 2011. Differential response of DDT susceptible and resistant Drosophila melanogaster strains to DDT and oxidative stress. Insect Molecular Biology. 100(1);7-15.Virulence in Hessian fly (Diptera: cecidomyiidae) field collections from the Southeastern United States to twenty-one resistance (R) genes in wheat-(Peer Reviewed Journal) Cambron, S.E., Buntin, G.D., Weisz, R., Holland, J.D., Flanders, K.L., Schemerhorn, B.J., Shukle, R.H. 2010. Virulence in Hessian fly (Diptera: cecidomyiidae) field collections from the Southeastern United States to twenty-one resistance (R) genes in wheat. Journal of Economic Entomology. 103:229-2235.Bowman-Birk inhibitor affects pathways associated with energy metabolism in Drosophila melanogaster-(Peer Reviewed Journal) Li, H., Sun, L., Omprakest, M., Xie, J., Wu, J., Schemerhorn, B.J., Pittendrigh, B. 2010. Bowman-Birk inhibitor affects pathways associated with energy metabolism in Drosophila melanogaster. Insect Molecular Biology. 13(3):303-313.Aestivation and diapause syndromes reduce the water balance requirements for pupae of the Hessian fly, Mayetiola destructor.-(Peer Reviewed Journal)A neo-sex-chromosome that drives post-zygotic sex determiniation in the Hessian fly-(Peer Reviewed Journal) Benatti, T., Valicente, R., Aggarwal, R., Zhao, C., Walling, J., Chen, M., Cambron, S.E., Schemerhorn, B.J., Stuart, J. 2010. A neo-sex-chromosome that drives post-zygotic sex determiniation in the Hessian fly. Genetics. 184:769-777.Neurotoxic and Cytotoxic Effects of Venom from Different Populations of the Egyptian Scorpio Maurus Palmatus-(Peer Reviewed Journal) Abdel-Rahman, M.A., Omran, M.A., Abdel-Nabi, I.M., Nassier, O.A., Schemerhorn, B.J. 2010. Neurotoxic and Cytotoxic Effects of Venom from Different Populations of the Egyptian Scorpio Maurus Palmatus. Toxicon. 55:298-306.Localization and Characterization of 170 BAC-derived clones and mapping of Ninety-Four Microsatellites in the Hessian Fly-(Peer Reviewed Journal) Schemerhorn, B.J., Crane, Y.M., Morton, P.K., Aggarwal, R., Stuart, J.J. 2009. Localization and Characterization of 170 BAC-derived clones and mapping of Ninety-Four Microsatellites in the Hessian Fly. Journal of Heredity.  Available at: http://jhered.oxfordjournals.org/cgi/content/abstract/esp045.A BAC-based physical map of the Hessian fly (Mayetiola destructor) genome anchored to polytene chromosomes-(Peer Reviewed Journal) Aggarwal, R., Benatti, T., Gill, N., Chen, M., Schemerhorn, B.J., Fellers, J.P., Stuart, J.J. 2009. A BAC-based physical map of the Hessian fly (Mayetiola destructor) genome anchored to polytene chromosomes. Biomed Central (BMC) Genomics.  10:293.Transcriptional Signatures in Response to Wheat Germ Agglutinin and Starvation in Drosophila melanogaster Larval Midgut-(Peer Reviewed Journal) Li, H., Sun, L., Muir, W., Xie, J., Schemerhorn, B.J., Pittindrigh, B. 2009. Transcriptional Signatures in Response to Wheat Germ Agglutinin and Starvation in Drosophila melanogaster Larval Midgut. Insect Molecular Biology. p. 21-31.Genetic Variation of Hessian Fly Populations from Manitoba Canada-(Abstract Only) Shreve, J.J., Morton, P.K., Wise, I.L., Shukle, R.H., Schemerhorn, B.J. 2008. Genetic Variation of Hessian Fly Populations from Manitoba Canada. Annals of the Entomological Society of America. Available: http://esa.confex.com/esa/2008/webprogram/Paper37737.html.Transcriptomic profile of Drosophila melanogaster larval midgut and responses to oxidative stress-(Peer Reviewed Journal) Hong-Mei, L., Buczkowski, G., Schemerhorn, B.J., Murdock, L.L., Pittindrigh, B.R. 2008. Transcriptomic profile of Drosophila melanogaster larval midgut and responses to oxidative stress. Insect Molecular Biology: 335-339.Regional Genetic Variation of Populations of the Hessian fly in the Southeastern United States-(Abstract Only) Morton, P.K., Schemerhorn, B.J. 2007. Regional Genetic Variation of Populations of the Hessian fly in the Southeastern United States. Entomological Society of America Regional Meeting Proceedings.  p. 42. Available:  http://www.ent.iastate.edu/entsoc/ncb2008/2008_ESA_NCB_program.pdf.Population Dynamics of the Wheat Pest, Hessian fly, in the Southeastern United States-(Abstract Only) Morton, P.K., Schemerhorn, B.J. 2007. Population Dynamics of the Wheat Pest, Hessian fly, in the Southeastern United States. Entomological Society of America Regional Meeting Proceedings. p. 42.  Avaliable: http://www.ent.iastate.edu/entsoc/ncb2008/2008_ESA_NCB_program.pdf.Regional Genetic Vatiation of Populations of the Hessian fly in the Southeastern United States-(Abstract Only) Morton, P.K., Schemerhorn, B.J. 2007. Regional Genetic Vatiation of Populations of the Hessian fly in the Southeastern United States. p. 57.Entomological Society of America Proceedings.Tissue and developmental expression of a gene from Hessian fly encoding an ABC-active-transporter protein during interactions with wheat-(Peer Reviewed Journal) Shukle, R.H., Yoshiyama, M., Morton, P.K., Schemerhorn, B.J. 2007. Tissue and developmental expression of a gene from Hessian fly encoding an ABC-active-transporter protein during interactions with wheat. Journal of Insect Physiology. 55:146-154.DEVELOPMENT OF MICROSATELLITE GENETIC MARKERS IN HESSIAN FLY (MAYETIOLA DESTRUCTOR)-(Peer Reviewed Journal) Schemerhorn, B.J., Crane, Y.M. 2006. Development of microsatellite genetic markers in Hessian fly (Mayetiola destructor). Molecular Ecology Notes. 44(3):3-10.GENOME-WIDE ANALYSIS OF PHENOBARBITAL-INDUCIBLE GENES IN DROSOPHILA MELANOGASTER-(Peer Reviewed Journal) Sun, W., Margum, V., Sun, L., Buczkowski, G., Bennet, G., Schemerhorn, B.J., Muir, W., Pittendrigh, B. 2006. Genome-wide analysis of phenobarbital-inducible genes in Drosophila melanogaster. Insect Molecular Biology. 15(4):455-464.DEVELOPMENT OF MICROSATELLITE MARKERS IN HESSIAN FLY (MAYETIOLA DESTRUCTOR) AND ANALYSIS OF HESSIAN FLY BIOTYPES.  INDICATIONS FOR CONTROL OF PEST IN THE FIELD-(Abstract Only) Schemerhorn, B.J., Crane, Y.M. 2006. Development of microsatellite markers in Hessian fly (Mayetiola destructor) and analysis of Hessian fly biotypes.  Indications for control of pest in the field [Abstract]. Seventeenth Biennial International Plant Resistance to Insects Workshop. p. 39.ASSESSING THE PHYLOGENETICS OF HESSIAN FLY USING MITOCHONDRIAL AND NUCLEAR MARKERS-(Abstract Only) Johnson, A.J., Schemerhorn, B.J., Shukle, R.H. 2006. Assessing the phylogenetics of Hessian fly using mitochondrial and nuclear markers [abstract]. International Plant Resistance to Insects Workshop Abstracts & Proceedings. p. 41.POPULATION STRUCTURE OF HESSIAN FLY, MAYETIOLA DESTRUCTOR (SAY), IN THE SOUTHEASTERN UNITED STATES-(Abstract Only) Morton, P.K., Crane, Y.M., Schemerhorn, B.J. 2006. Population structure of hessian fly, mayetiola destructor (say), in the southeastern united states. [abstract]. International Plant Resistance to Insects Workshop  Abstracts & Proceedings.Population Structure of Hessian fly, Mayetiola destructor (Say), in the Southeastern United States-(Abstract Only) Morton, P.K., Crane, C.F., Schemerhorn, B.J. 2006. Population Structure of Hessian fly, Mayetiola destructor (Say), in the Southeastern United States. International Plant Resistance to Insects Workshop  Abstracts & Proceedings. p. 34.RANGEWIDE POPULATION GENETIC STRUCTURE OF THE AFRICAN MALARIA VECTOR ANOPHELES FUNESTUS-(Peer Reviewed Journal) Michel, A.P., Ingrasci, M.J., Schemerhorn, B.J., Kern, M., Le Goff, G., Coetzee, M., Elissa, N., Fontenille, D., Vulule, J., Lehmann, T. 2005. Rangewide population genetic structure of the african malaria vector anopheles funestus. Molecular Ecology. 14:4235-4248.MOLECULAR DIFFERENTIATION BETWEEN CHROMOSOMALLY DEFINED INCIPIENT SPECIES OF ANOPHELES FUNESTUS-(Peer Reviewed Journal) Michel, A. P., Guelbeogo, W. M., Grushko, O., Schemerhorn, B.J., Kern, M, Willard, M. B., Sagnon, N. F., Costantini, C., Besansky, N. J. 2005. Molecular differentiation between chromosomally defined incipient species of anopheles funestus. 14(4):375-387.  . Insect Molecular Biology.A first assessment of mitochondrial DNA variation and geographic distribution of haplotypes in the Hessian fly (Diptera: Cecidomyiidae)-(Peer Reviewed Journal) Johnson, A.J., Schemerhorn, B.J., Shukle, R.H. 2004. A first assessment of mitochondrial DNA variation and geographic distribution of haplotypes in the Hessian fly (Diptera: Cecidomyiidae). Annals of the Entomological Society of America.97(5):940-048.A FIRST ASSESSMENT OF MITOCHONDRIAL DNA VARIATION AND GEOGRAPHIC DISTRIBUTION OF HAPLOTYPES IN THE HESSIAN FLY  (DIPTERA:  CECIDOMYIIDAE)-(Peer Reviewed Journal) Johnson, A.J., Schemerhorn, B.J., Shukle, R.H. 2004. A first assessment of mitochondrial dna variation and geographic distribution of haplotypes in the hessian fly  (diptera:  cecidomyiidae). Annals of the Entomological Society of America.  97(5):940-948.REVEALING LINEAGES OF HESSIAN FLY POPULATIONS IN THE UNITED STATES AND WORLDWIDE-(Abstract Only) Johnson, A.J., Schemerhorn, B.J. and Shukle, R.H.  2004. Revealing lineages of Hessian fly populations in the United States and worldwide. North Central Branch Meeting of the Entomological Society of America, Kansas City, MO Available:  http://esa.ent.iastate.edu/confreg/?gridaction=viewonepresentation&year=2004&presnum=033GEOGRAPHIC DISTRIBUTION OF HESSIAN FLY (DIPTERA: CECIDOMYIIDAE) MITOCHONDRIAL HAPLOTYPES IN THE UNITED STATES-(Abstract Only) Johnson, A.J., Shukle, R.H., Schemerhorn, B.J. 2003. Geographic distribution of hessian fly (diptera: cecidomyiidae) mitochondrial haplotypes in the united states. Entomological Society of America Annual Meeting  North Central Branch. National Meeting of the Entomological Society of America, Cincinnati, OH. Available: http://esa.confex.com/esa/2003/techprogram/paper_11083.htm  ARS News ArticlesitemVirulent Hessian Flies Renew Attack on U.S. Wheat
 Brandi Schemerhorn Areas of Expertise: Population Genetics, Risk Assessment, Molecular Marker Development, Host-plant Interactions Doctor Brandon (Brandi) Schemerhorn is the lead scientist of the USDA ARS Insect Pest Interactions Research Project in West Lafayette, Indiana USA. Her specialty is population dynamics, risk assessment, and molecular interactions of host-pest interactions. She received her Ph.D. from the University of Notre Dame.  The overarching priorities of her research are to identify and predict the spread of virulence in pests and pathogens in agricultural crops. Her work specializes on the insect and viruses they transmit. Her primary research subjects are control of Hessian fly, a devastating pest of wheat throughout the world, and how Greenbug and Cherry Oat Aphid transmit Cereal dwarf viruses. **Phone:** +1 765-494-7494 **Email:** brandi.schemerhorn@usda.gov  **Education:** B.S. Biology Rockhurst University 1993 M.S. Biology – Ecology Emphasis University of Central Missouri 2001 Ph.D.  Biology – Tropical and Infectious Disease Center for Tropical Disease Research and Training – University of Notre Dame 2003


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