2020
Dowle, E.J.*, T.H.Q. Powell*, M.M. Doellman, P.J. Meyers, M.B. Calvert, K.K.O Walden, H.M. Robertson, S.H. Berlocher, J.L. Feder, D.A. Hahn, and G.J. Ragland. 2020. Genome-wide variation and transcriptional changes in diverse developmental processes underlie the rapid evolution of seasonal adaptation. Proceedings of the National Academy of Sciences. in press.
*authors contributed equally
Powell, TH.Q, A. Nguyen, Q. Xia, J.L. Feder, G.J. Ragland, and D.A. Hahn. 2020. A rapidly evolved shift in life history timing during ecological speciation is driven by the transition between developmental phases. Journal of Evolutionary Biology. in press.
Doellman, M.M, G. St. Jean, S.P. Egan, T.H.Q. Powell, G.R. Hood, H. Schuler, D. Bruzzese, M. Glover, J.J. Smith, W. Yee, R. Goughnour, J. Rull, M. Aluja, and J.L. Feder. 2020. Evidence of spatial clines and mixed geographic modes of speciation for North American cherry-infesting Rhagoletis (Diptera:Tephritidae) flies. Ecology and Evolution. in press.
Meyers, P.J., M.M. Doellman, G.J. Ragland, G.R. Hood, S.P. Egan, T.H.Q. Powell, P. Nosil, and J.L. Feder. 2020 Can the genomics of ecological speciation be predicted across the divergence continuum from host races to species? A case study in Rhagoletis. Philosophical Transactions of the Royal Society B. 375: 20190534. - in special issue on "Towards the completion of speciation: the evolution of reproductive isolation beyond the first barriers"
Hood, G.R.*, T.H.Q. Powell*, M.M Doellman, S.B. Sim, M. Glover, W.L. Yee, R. Goughnor, M. Mattsson, D. Schwartz, and J.L. Feder. 2020. Rapid and repeatable host plant shifts drive reproductive isolation follow a recent human-mediated introduction of the apple maggot fly, Rhagoletis pomonella. Evolution 74: 156-168.
*authors contributed equally
2019
Doellman, M.M., H. Schuler, G. St. Jean, G.R. Hood, T.H.Q. Powell, M. Glover, D.J. Bruzzese, J.J. Smith, W.L. Yee, R. B. Goughnor, J. Rull, M. Aluja, and J.L. Feder. 2019. Geographic and ecological dimensions of host plant-associated genetic differentiation and speciation in the Rhagoletis cingulata (Diptera: Tephritidate) sibling species group. Insects. 10: 275.
Doellman, M.M., S.P. Egan, G.J. Ragland, P.J. Meyers, G.R. Hood, T.H.Q. Powell, P. Lazorchak, D.A. Hahn, S.H. Berlocher, P. Nosil, and J.L. Feder 2019. Standing geographic variation in eclosion time and the genomics of host race formation in Rhagoletis pomonella fruit flies. Ecology and Evolution 9: 393-408.
2018
Cha, D.H., T.H.Q. Powell, J.L. Feder, and C.E. Linn Jr. 2018. Identification of a New Blend of Host Fruit Volatiles from Red Downy Hawthorn, Crataegus mollis, Attractive to Rhagoletis pomonella Flies from the Northeastern United States. Journal of Chemical Ecology 44: 671-680.
Doellman, M.M., G.J. Ragland, G.R. Hood, P.J. Meyers, S.P. Egan, T.H.Q. Powell, P. Lazorchak, M.M. Glover, C. Tait, H. Schuler, D.A. Hahn, S.H. Berlocher, J.J. Smith, P. Nosil, and J.L. Feder 2018. Genomic differentiation during speciation-wiht-gene-flow: comparing geographic and host realted variation in divergent life history adaptation in Rhagoletis pomonella. Genes 9: 262
St Jean, G, G.R. Hood, S.P. Egan, T.H.Q. Powell, H. Schuler, M.M. Doellman, M.M. Glover, J.J. Smith, W.L. Yee, R. Goughnor, H.M.A. Thistlewood, S.A. Maxwell, N. Keyghobadi, J. Rull, M. Aluaj, and J. L. Feder. 2018. Limited genetic evidence for host plant related differentiation in the Western cherry fruit fly, Rhagoletis indifferens. Entomologia Experimantalis et Applicata 166: 739-751.
2017
Sim, S.B. M.M. Doellman, G.R. Hood, W.L. Yee, T.H.Q. Powell, D. Schwarz, R.H. Goughnour, S.P. Egan, G. St. Jean, J.J. Smith, T.E. Arcella, J.D.K. Dzursin, and J.L. Feder. 2017. Genetic evidence for the introduction of Rhagoletis pomonella (Diptera:Tephritidae) into the northwestern United States. Journal of Economic Entomology 110: 2599-2608.
Ragland, G.J., M.M. Doellman, P. Meyers, G.R. Hood, S.P. Egan. T.H.Q. Powell, D.A. Hahn, P. Nosil, and J.L. Feder. 2017. A test of genomic modularity among life history adaptations promoting speciation with gene flow. Molecular Ecology 26: 3926-3942.
2016
Meyers, P., T.H.Q. Powell, K. Walden, A. Shieferecke, J.L. Feder, D.A. Hahn, S.H. Robertson, S.H. Berochen, and G.J. Ragland. 2016. Evolutionary divergence of the diapause transcriptome in apple maggot flies: winter chilling and post-winter transcriptional repression. Journal of Experimental Biology 219: 2613-1622.
Powell, T.H.Q. and K.M. Prior. 2016. Coevolution: predation and parasitism. in Encyclopedia of Evolutionary Biology ed. R.Kliman. Oxford Academic Press Pp. 332-338.
2015
Hood, G.R., A.A. Forbes, T.H.Q. Powell, S.P. Egan, G. Hamerlinck, J.J. Smith, and J.L. Feder. 2015. Sequential divergence and the multiplicative origin of community diversity. Proceedings of the National Academy of Sciences 112: E5980-E5989.
-covered by the Wall Street Journal
Arcella, T.E.*, G.R. Hood*, T.H.Q. Powell*, S.B. Sim, W.L. Yee, D. Schwarz, S.P. Egan, R.B. Goughnour, J.J. Smith, and J. L. Feder. 2015. Hybridization and the spread of the apple maggot fly, Rhagoletis pomonells (Diptera: Tephritidae) in the northwestern United States. Evolutionary Applications 8: 834-846.
*authors contributed equally
Egan, S.P., G.J. Ragland, L. Assour, T.H.Q. Powell, G.R. Hood., S. Emrich, P. Nosil, and J.L. Feder. 2015. Experimental evidence of genome-wide impact of ecological selection during early stages of speciation-with-gene-flow. Ecology Letters. 18: 817-825.
-Recommended by F1000
Cunan, E., T.H.Q. Powell, and A.E. Weis. 2015. Evidence for plant mediated competition between defoliating and gall-forming specialists attacking Solidago altissima. American Midland Naturalist. 173: 208-217.
2014
Prior, K.M., T.H.Q. Powell, A. Joseph, and J.J. Hellmann. 2015. Insights from community ecology into the role of enemy release in causing invasion success: the importance of native enemy effects. Biological Invasions. 17: 1283-1297.
Powell, T.H.Q., A.A. Forbes, G.R. Hood, and J.L. Feder. 2014. Ecological adaptation and reproductive isolation in sympatry: genetic and phenotypic evidence for multiple native host races of Rhagoeltis pomonella. Molecular Ecology. 23: 688-704.
Smith, J.J., T.H.Q. Powell, L. Texeira, W.O. Armstrong, R.J. McClowry , R. Isaacs, G. R. Hood, J.L. Feder, and L. Gut. 2014. Genetic structure of cherry fruit fly (Rhagoletis cingulata) populations across managed, unmanaged, and natural habitats. Entomologia Experimentalis et Applicata. 150: 157-168.
2013
Powell, T.H.Q., G.R. Hood, M.O. Murphy, J.S. Heilveil, P. Nosil, S.H. Berlocher, and J.L. Feder. 2013. Genetic divergence across the speciation continuum: the transition from host race to species in Rhagoletis. Evolution. 67: 2561-2576.
Hood, G.R., W.L. Yee, R.B. Gaoughbour, S. Sim, T. Arcella, G. St. Jean, T.H.Q. Powell, C. Xu , and J. L. Feder. 2013. The geographic distribution of Rhagoletis pomonella (Diptera:Tephritidae) in the western United States: introduced species or native population? Annals of the Entomological Society of America. 106:59-65.
2012
Linn, C.E., W.L. Yee, S. Sim, D.H. Cha, T.H.Q. Powell, R.B. Goughnour, and J.L. Feder. 2012. Behavioral evidence for fruit odor discrimination and sympatric host races of Rhagoletis pomonella flies in the western United States. Evolution. 66: 3632-3641.
Powell, T.H.Q., D. Cha, C. Linn, and J. L. Feder. 2012. On the scent of standing variation for speciation: behavioral evidence for native sympatric host races of Rhagoletis pomonella (Diptera: Tephritidae) in the southern United States. Evolution. 66: 2739-2756.
Cha, D., T.H.Q. Powell, J. L. Feder, and C. Linn. 2012. Geographic variation in fruit volatiles emitted by the hawthorn Crataegus mollis and its consequences for host race formation in the apple maggot fly, Rhagoletis pomonella. Entomologia Experimentali et Applicata 143: 254-268.
Cha, D., Y. Wee, R. Groughour, S.B. Sim, T.H.Q. Powell, J.L. Feder, and C. Linn. 2012. Identification of host fruit volatiles from domestic apple (Malus domestica), native Blackhawthorn (Crataegus douglasii), and introduced ornamental hawthorn (C. monogyna) attractive to Rhagoletis pomonella flies from the western United States. Journal of Chemical Ecology. 38: 319-329.
2011
Cha, D., T.H.Q. Powell, J. L. Feder, and C. Linn. 2011. Identification of host fruit volatiles from three mayhaw species (Crataegus series Aestivales) attractive to mayhaw-origin Rhagoletis pomonella flies. Journal of Chemical Ecology 37: 961-973.
Cha, D., T.H.Q. Powell, J. L. Feder, and C. Linn. 2011. Identification of host fruit volatiles from green hawthorn (Crataegus viridis) and blueberry hawthorn (Crataegus brachyacantha) host plants attractive to different phenotypes of of Rhagoletis pomonella flies in the southern United States. Journal of Chemical Ecology 37: 974-983.
Feder, J.L., R. Gejii, T.H.Q. Powell, and P. Nosil. 2011. Adaptive chromosomal divergence driven by mixed geographic mode of evolution. Evolution 65: 2157-2170.
2010
Feder, J. L., T.H.Q. Powell, K. Filchak, and B. Leung. 2010. The diapause response of Rhagoletis pomonella to varying environmental conditions and its significance for geographic and host plant-related adaptation. Entomologia Experimentalis et Applicata 136: 31-44.
Michel, A.P., S. Sim, T.H.Q. Powell, M.S. Taylor, P. Nosil, and J.L. Feder. 2010. Widespread genomic divergence during sympatric speciation. Proceedings of the National Academy of Sciences of the United States of America 107: 9724-9729.
-Featured in Nature “News and Views” and Science “Editor’s choice”
2009
Forbes, A.A., T.H.Q. Powell, L.L. Stelinski, J.J. Smith and J.L. Feder. 2009. Sequential sympatric speciation across trophic levels. Science 323: 776-779.
-Recommended by F1000
Senapati, S., A.R. Mahon, J. Gordon, C. Nowak, S. Sengupta, T.H.Q. Powell, J.Feder, D.M. Lodge, and C.H. Chang. 2009. Rapid on-chip genetic detection microfluidic platform for real world applications. Biomicrofluidics 3:2:022407.
2008
Forbes, A.A., T.H.Q. Powell, M.A.F. Noor, N.F. Lobo and J.L. Feder. 2008. Polymorphic microsatellite loci for Diachasma alloeum (Hymenoptera: Braconidae). Molecular Ecology Resources 8:373‐376.
2007
Forbes, A.A., T.H.Q. Powell, N.F. Lobo, and J.L. Feder. 2007. Resolving a DNA sequencing artifact associated with Topoisomerase I generated clones in the plasmid pCR®2.1. Biotechniques 42:458‐462.
Dowle, E.J.*, T.H.Q. Powell*, M.M. Doellman, P.J. Meyers, M.B. Calvert, K.K.O Walden, H.M. Robertson, S.H. Berlocher, J.L. Feder, D.A. Hahn, and G.J. Ragland. 2020. Genome-wide variation and transcriptional changes in diverse developmental processes underlie the rapid evolution of seasonal adaptation. Proceedings of the National Academy of Sciences. in press.
*authors contributed equally
Powell, TH.Q, A. Nguyen, Q. Xia, J.L. Feder, G.J. Ragland, and D.A. Hahn. 2020. A rapidly evolved shift in life history timing during ecological speciation is driven by the transition between developmental phases. Journal of Evolutionary Biology. in press.
Doellman, M.M, G. St. Jean, S.P. Egan, T.H.Q. Powell, G.R. Hood, H. Schuler, D. Bruzzese, M. Glover, J.J. Smith, W. Yee, R. Goughnour, J. Rull, M. Aluja, and J.L. Feder. 2020. Evidence of spatial clines and mixed geographic modes of speciation for North American cherry-infesting Rhagoletis (Diptera:Tephritidae) flies. Ecology and Evolution. in press.
Meyers, P.J., M.M. Doellman, G.J. Ragland, G.R. Hood, S.P. Egan, T.H.Q. Powell, P. Nosil, and J.L. Feder. 2020 Can the genomics of ecological speciation be predicted across the divergence continuum from host races to species? A case study in Rhagoletis. Philosophical Transactions of the Royal Society B. 375: 20190534. - in special issue on "Towards the completion of speciation: the evolution of reproductive isolation beyond the first barriers"
Hood, G.R.*, T.H.Q. Powell*, M.M Doellman, S.B. Sim, M. Glover, W.L. Yee, R. Goughnor, M. Mattsson, D. Schwartz, and J.L. Feder. 2020. Rapid and repeatable host plant shifts drive reproductive isolation follow a recent human-mediated introduction of the apple maggot fly, Rhagoletis pomonella. Evolution 74: 156-168.
*authors contributed equally
2019
Doellman, M.M., H. Schuler, G. St. Jean, G.R. Hood, T.H.Q. Powell, M. Glover, D.J. Bruzzese, J.J. Smith, W.L. Yee, R. B. Goughnor, J. Rull, M. Aluja, and J.L. Feder. 2019. Geographic and ecological dimensions of host plant-associated genetic differentiation and speciation in the Rhagoletis cingulata (Diptera: Tephritidate) sibling species group. Insects. 10: 275.
Doellman, M.M., S.P. Egan, G.J. Ragland, P.J. Meyers, G.R. Hood, T.H.Q. Powell, P. Lazorchak, D.A. Hahn, S.H. Berlocher, P. Nosil, and J.L. Feder 2019. Standing geographic variation in eclosion time and the genomics of host race formation in Rhagoletis pomonella fruit flies. Ecology and Evolution 9: 393-408.
2018
Cha, D.H., T.H.Q. Powell, J.L. Feder, and C.E. Linn Jr. 2018. Identification of a New Blend of Host Fruit Volatiles from Red Downy Hawthorn, Crataegus mollis, Attractive to Rhagoletis pomonella Flies from the Northeastern United States. Journal of Chemical Ecology 44: 671-680.
Doellman, M.M., G.J. Ragland, G.R. Hood, P.J. Meyers, S.P. Egan, T.H.Q. Powell, P. Lazorchak, M.M. Glover, C. Tait, H. Schuler, D.A. Hahn, S.H. Berlocher, J.J. Smith, P. Nosil, and J.L. Feder 2018. Genomic differentiation during speciation-wiht-gene-flow: comparing geographic and host realted variation in divergent life history adaptation in Rhagoletis pomonella. Genes 9: 262
St Jean, G, G.R. Hood, S.P. Egan, T.H.Q. Powell, H. Schuler, M.M. Doellman, M.M. Glover, J.J. Smith, W.L. Yee, R. Goughnor, H.M.A. Thistlewood, S.A. Maxwell, N. Keyghobadi, J. Rull, M. Aluaj, and J. L. Feder. 2018. Limited genetic evidence for host plant related differentiation in the Western cherry fruit fly, Rhagoletis indifferens. Entomologia Experimantalis et Applicata 166: 739-751.
2017
Sim, S.B. M.M. Doellman, G.R. Hood, W.L. Yee, T.H.Q. Powell, D. Schwarz, R.H. Goughnour, S.P. Egan, G. St. Jean, J.J. Smith, T.E. Arcella, J.D.K. Dzursin, and J.L. Feder. 2017. Genetic evidence for the introduction of Rhagoletis pomonella (Diptera:Tephritidae) into the northwestern United States. Journal of Economic Entomology 110: 2599-2608.
Ragland, G.J., M.M. Doellman, P. Meyers, G.R. Hood, S.P. Egan. T.H.Q. Powell, D.A. Hahn, P. Nosil, and J.L. Feder. 2017. A test of genomic modularity among life history adaptations promoting speciation with gene flow. Molecular Ecology 26: 3926-3942.
2016
Meyers, P., T.H.Q. Powell, K. Walden, A. Shieferecke, J.L. Feder, D.A. Hahn, S.H. Robertson, S.H. Berochen, and G.J. Ragland. 2016. Evolutionary divergence of the diapause transcriptome in apple maggot flies: winter chilling and post-winter transcriptional repression. Journal of Experimental Biology 219: 2613-1622.
Powell, T.H.Q. and K.M. Prior. 2016. Coevolution: predation and parasitism. in Encyclopedia of Evolutionary Biology ed. R.Kliman. Oxford Academic Press Pp. 332-338.
2015
Hood, G.R., A.A. Forbes, T.H.Q. Powell, S.P. Egan, G. Hamerlinck, J.J. Smith, and J.L. Feder. 2015. Sequential divergence and the multiplicative origin of community diversity. Proceedings of the National Academy of Sciences 112: E5980-E5989.
-covered by the Wall Street Journal
Arcella, T.E.*, G.R. Hood*, T.H.Q. Powell*, S.B. Sim, W.L. Yee, D. Schwarz, S.P. Egan, R.B. Goughnour, J.J. Smith, and J. L. Feder. 2015. Hybridization and the spread of the apple maggot fly, Rhagoletis pomonells (Diptera: Tephritidae) in the northwestern United States. Evolutionary Applications 8: 834-846.
*authors contributed equally
Egan, S.P., G.J. Ragland, L. Assour, T.H.Q. Powell, G.R. Hood., S. Emrich, P. Nosil, and J.L. Feder. 2015. Experimental evidence of genome-wide impact of ecological selection during early stages of speciation-with-gene-flow. Ecology Letters. 18: 817-825.
-Recommended by F1000
Cunan, E., T.H.Q. Powell, and A.E. Weis. 2015. Evidence for plant mediated competition between defoliating and gall-forming specialists attacking Solidago altissima. American Midland Naturalist. 173: 208-217.
2014
Prior, K.M., T.H.Q. Powell, A. Joseph, and J.J. Hellmann. 2015. Insights from community ecology into the role of enemy release in causing invasion success: the importance of native enemy effects. Biological Invasions. 17: 1283-1297.
Powell, T.H.Q., A.A. Forbes, G.R. Hood, and J.L. Feder. 2014. Ecological adaptation and reproductive isolation in sympatry: genetic and phenotypic evidence for multiple native host races of Rhagoeltis pomonella. Molecular Ecology. 23: 688-704.
Smith, J.J., T.H.Q. Powell, L. Texeira, W.O. Armstrong, R.J. McClowry , R. Isaacs, G. R. Hood, J.L. Feder, and L. Gut. 2014. Genetic structure of cherry fruit fly (Rhagoletis cingulata) populations across managed, unmanaged, and natural habitats. Entomologia Experimentalis et Applicata. 150: 157-168.
2013
Powell, T.H.Q., G.R. Hood, M.O. Murphy, J.S. Heilveil, P. Nosil, S.H. Berlocher, and J.L. Feder. 2013. Genetic divergence across the speciation continuum: the transition from host race to species in Rhagoletis. Evolution. 67: 2561-2576.
Hood, G.R., W.L. Yee, R.B. Gaoughbour, S. Sim, T. Arcella, G. St. Jean, T.H.Q. Powell, C. Xu , and J. L. Feder. 2013. The geographic distribution of Rhagoletis pomonella (Diptera:Tephritidae) in the western United States: introduced species or native population? Annals of the Entomological Society of America. 106:59-65.
2012
Linn, C.E., W.L. Yee, S. Sim, D.H. Cha, T.H.Q. Powell, R.B. Goughnour, and J.L. Feder. 2012. Behavioral evidence for fruit odor discrimination and sympatric host races of Rhagoletis pomonella flies in the western United States. Evolution. 66: 3632-3641.
Powell, T.H.Q., D. Cha, C. Linn, and J. L. Feder. 2012. On the scent of standing variation for speciation: behavioral evidence for native sympatric host races of Rhagoletis pomonella (Diptera: Tephritidae) in the southern United States. Evolution. 66: 2739-2756.
Cha, D., T.H.Q. Powell, J. L. Feder, and C. Linn. 2012. Geographic variation in fruit volatiles emitted by the hawthorn Crataegus mollis and its consequences for host race formation in the apple maggot fly, Rhagoletis pomonella. Entomologia Experimentali et Applicata 143: 254-268.
Cha, D., Y. Wee, R. Groughour, S.B. Sim, T.H.Q. Powell, J.L. Feder, and C. Linn. 2012. Identification of host fruit volatiles from domestic apple (Malus domestica), native Blackhawthorn (Crataegus douglasii), and introduced ornamental hawthorn (C. monogyna) attractive to Rhagoletis pomonella flies from the western United States. Journal of Chemical Ecology. 38: 319-329.
2011
Cha, D., T.H.Q. Powell, J. L. Feder, and C. Linn. 2011. Identification of host fruit volatiles from three mayhaw species (Crataegus series Aestivales) attractive to mayhaw-origin Rhagoletis pomonella flies. Journal of Chemical Ecology 37: 961-973.
Cha, D., T.H.Q. Powell, J. L. Feder, and C. Linn. 2011. Identification of host fruit volatiles from green hawthorn (Crataegus viridis) and blueberry hawthorn (Crataegus brachyacantha) host plants attractive to different phenotypes of of Rhagoletis pomonella flies in the southern United States. Journal of Chemical Ecology 37: 974-983.
Feder, J.L., R. Gejii, T.H.Q. Powell, and P. Nosil. 2011. Adaptive chromosomal divergence driven by mixed geographic mode of evolution. Evolution 65: 2157-2170.
2010
Feder, J. L., T.H.Q. Powell, K. Filchak, and B. Leung. 2010. The diapause response of Rhagoletis pomonella to varying environmental conditions and its significance for geographic and host plant-related adaptation. Entomologia Experimentalis et Applicata 136: 31-44.
Michel, A.P., S. Sim, T.H.Q. Powell, M.S. Taylor, P. Nosil, and J.L. Feder. 2010. Widespread genomic divergence during sympatric speciation. Proceedings of the National Academy of Sciences of the United States of America 107: 9724-9729.
-Featured in Nature “News and Views” and Science “Editor’s choice”
2009
Forbes, A.A., T.H.Q. Powell, L.L. Stelinski, J.J. Smith and J.L. Feder. 2009. Sequential sympatric speciation across trophic levels. Science 323: 776-779.
-Recommended by F1000
Senapati, S., A.R. Mahon, J. Gordon, C. Nowak, S. Sengupta, T.H.Q. Powell, J.Feder, D.M. Lodge, and C.H. Chang. 2009. Rapid on-chip genetic detection microfluidic platform for real world applications. Biomicrofluidics 3:2:022407.
2008
Forbes, A.A., T.H.Q. Powell, M.A.F. Noor, N.F. Lobo and J.L. Feder. 2008. Polymorphic microsatellite loci for Diachasma alloeum (Hymenoptera: Braconidae). Molecular Ecology Resources 8:373‐376.
2007
Forbes, A.A., T.H.Q. Powell, N.F. Lobo, and J.L. Feder. 2007. Resolving a DNA sequencing artifact associated with Topoisomerase I generated clones in the plasmid pCR®2.1. Biotechniques 42:458‐462.