Publications

  • 2019
      • Freda PJ, ZM Ali, GJ Ragland, TM Morgan. 2019. Stage-specific genotype-by-environment interactions for cold and heat hardiness in Drosophila melanogaster. Heredity.
      • Schebeck M, H Schuler, B Einramhof, DA Avtzis, EJ Dowle, M Faccoli, A Battisti, GJ Ragland, C Stauffer, C Bertheau. 2019. The Apennines as a cryptic Pleistocene refugium of the bark beetle Pityogenes chalcographus (Coleoptera: Curculionidae). Biological Journal of the Linnean Society 127, 24-33.
      • Doellman MM, SP Egan, GJ Ragland, PJ Meyers, GR Hood, TH Powell, P Lazorchak, DA Hahn, SH Berlocher, P Nosil, JL Feder. 2019. Standing geographic variation in eclosion time and the genomics of host race formation in Rhagoletis pomonella fruit flies. Ecology and Evolution 9, 393-409.
  • 2018
      • Schebeck M, EJ Dowle, H Schuler, DN Avtzis, C Bertheau, JL Feder, GJ Ragland, C Stauffer. 2018. Pleistocene climate cycling and host plant association shaped the demographic history of the bark beetle Pityogenes chalcographus. Scientific Reports 8, 14207.
      • Everman ER, PJ Freda, M Brown, AJ Schieferecke, GJ Ragland, TJ Morgan. 2018. Ovary development and cold tolerance of the invasive pest Drosophila suzukii (Matsumura) in the central plains of Kansas, United States. Environmental Entomology 47: 1013-1023. doi: 10.1093/ee/nvy074/
      • Doellman, MM, GJ Ragland, GR Hood, PJ Meyers, SP Egan, THQ Powell, P Lazorchak, MM Glover, C Tait, H Schuler, DA Hahn, SH Berlocher, JJ Smith, P Nosil, J Feder. 2018. Genomic differentiation during speciation-with-gene-flow: comparing geographic and host-related variation in divergent life history adaptation in Rhagoletis pomonella. Genes 9: 262.
  • 2017
    • Ragland GJ, MM Doellman, PJ Meyers, GR Hood, SP Egan, THQ Powell, DA Hahn, P Nosil, and JL Feder. 2017. A test of genomic modularity among life-history adaptations promoting speciation with gene flow. Molecular Ecology 26: 3926-3942 . DOI: 10.1111/mec.14178
    • Ragland GJ and E Keep. 2017. Comparative transcriptomics support evolutionary convergence of diapause responses across Insecta. Physiological Entomology 42: 246-256 (special issue on photoperiodic and seasonal morphs). DOI: 10.1111/phen.12193

    • Schebeck M, EM Hansen, A Schopf, GJ Ragland, C Stauffer, and BJ Bentz. 2017. Diapause and overwintering of two spruce bark beetle species. Physiological Entomology 42: 200-210 (special issue on photoperiodic and seasonal morphs). DOI: 10.1111/phen.12200

    • Freda PJ, JT Alex, TJ Morgan, and GJ Ragland. 2017. Genetic decoupling of thermal hardiness across metamorphosis in Drosophila melanogaster. Integrative and Comparative Biology 57: 999-1009.

    • Williams, CM, GJ Ragland, G Betini, LB Buckley, ZA Chevron, K Donohue, J Hereford, MM Humphries, S Lisovski, KE Marshall, PS Schmidt, KS Sheldon, O Varpe, and M Visser. 2017. Understanding evolutionary impacts of seasonality. Integrative and Comparative Biology 57: 921-933.

    • EJ Dowle, RR Bracewell, ME Pfrender, KE Mock, BJ Bentz, and GJ Ragland. 2017. Reproductive isolation and environmental adaptation shape the phylogeography of mountain pine beetle (Dendroctonus ponderosae). Molecular Ecology 26: 6071-6084.

  • 2016
    • Meyers PJ, THQ Powell, KKO Walden, A Schieferecke, JL Feder, DA Hahn, HM Robertson, and SH Berlocher. 2016. Divergence of the diapause transcriptome in apple maggot flies: winter regulation and post-winter transcriptional repression. Journal of Experimental Biology 219: 2613-2622. [pdf]

  • 2015
    • Egan, SP, GJ Ragland, L Assour, THQ Powell, GR Hood, S Emrich, P Nosil and JL Feder. 2015. Experimental evidence of genome-wide impact of ecological selection during early stages of speciation-with-gene-flow. Ecology Letters 18: 817–825. [pdf] Equal Contributions *Faculty of 1000 recommended read*
    • Ragland, GJ, K Almskaar, KL Vertacnik, HM Gough, JL Feder, DA Hahn and D Schwarz. 2015. Differences in performance and transcriptome-wide gene expression associated with Rhagoletis (Diptera: Tephritidae) larvae feeding in alternate host fruit environments. Molecular Ecology 24: 2759–2776. [pdf]
  • 2012
    • Reidenbach, K, D Neafsey, C Costantini, N Sagnon, F Simard, G Ragland, S Egan, J Feder, M Muskavitch, and N Besansky. 2012. Patterns of genomic differentiation between ecologically differentiated M and S forms of Anopheles gambiae in West and Central Africa. Genome Biology and Evolution 4: 1202-1212. [pdf]
    • Ragland, GJ, S Goudarzi, S Sim, JL Feder, and DA Hahn. 2012. Environmental interactions during host race formation: host fruit environment moderates a seasonal shift in phenology in host races of Rhagoletis pomonella. Functional Ecology 26: 921-931. [pdf]
    • Teets, NM, JT Peyton, GJ Ragland, H Colinet, D Renault, DA Hahn, and DL Denlinger. 2012. Combined transcriptomic and metabolomic approach uncovers molecular mechanisms of cold tolerance in a temperate flesh fly. Physiological Genomics 44: 764-777. [pdf] *Faculty of 1000 recommended read*
  • 2011
    • Ragland, GJ, SP Egan, JL Feder, SH Berlocher, and DA Hahn. 2011. Developmental trajectories of gene expression reveal candidates for diapause termination, a key life history transition in the apple maggot fly, Rhagoletis pomonella. Journal of Experimental Biology 214: 3948-3960. [pdf]*Featured in InsideJEB*
  • 2010
    • Ragland, GJ, DL Denlinger, and DA Hahn. 2010. Mechanisms of suspended animation are revealed by transcript profiling of diapause in the flesh fly. Proc. Natl. Acad. Sci. 107: 14909-14. [pdf]
  • 2009
    • Schwarz, D, HM Robertson, JL Feder, K Varala, ME Hudson, GJ Ragland, DA Hahn and SH Berlocher. 2009. Sympatric ecological speciation meets pyrosequencing: sampling the transcriptome of the apple maggot Rhagoletis pomonella. BMC Genomics 10: 633. [pdf]
    • Hahn, DA, GJ Ragland, DD Shoemaker and DL Denlinger. 2009. Gene discovery using massively parallel pyrosequencing to develop ESTs for the flesh fly Sarcophaga crassipalpis. BMC Genomics 10: 234. [pdf]
    • Ragland, GJ, J Fuller, JL Feder, and DA Hahn. 2009. Biphasic metabolic rate trajectory of pupal diapause termination and post-diapause development in a tephritid fly. Journal of Insect physiology 55: 344-350 [pdf]
    • Kingsolver, JG, GJ Ragland, and SE Diamond. 2009. Evolution in a constant environment: thermal fluctuations and thermal sensitivity of laboratory and field populations of Manduca sexta. Evolution 63: 537-541. [pdf]
  • Older
    • Ragland, GJ and JG Kingsolver. 2008. Evolution of thermotolerance in seasonal environments: the effects of annual temperature variation and life history timing in Wyeomyia smithii. Evolution 62: 1345-1357. [pdf]*Faculty of 1000 recommended read*
    • Ragland, GJ and JG Kingsolver. 2008. The effect of fluctuating temperatures on ectotherm life history traits: comparisons among geographic populations of Wyeomyia smithii. Evolutionary Ecology Research 10: 29-44. [pdf]
    • Ragland, GJ and JG Kingsolver. 2007. Influence of seasonal timing on thermal ecology and thermal reaction norm evolution in Wyeomyia smithii. Journal of Evolutionary Biology 20: 2144-2153. [pdf]
    • Kingsolver, JG, KR Massie, GJ Ragland, and MH Smith. 2007. Rapid population divergence in thermal reaction norms for an invading species: breaking the temperature-size rule. Journal of Evolutionary Biology 20: 892-900. [pdf]
    • Kingsolver, JG, KR Massie, JG Shlichta, MH Smith, Ragland, GJ, and R Gomulkiewicz. 2007. Relating environmental variation to selection on reaction norms: an experimental test. American Naturalist 169: 163 – 174. [pdf]
    • Kingsolver, JG, JG Shlichta, GJ Ragland, and KR Massie. 2006. Thermal reaction norms for caterpillar growth depend on diet. Evolutionary Ecology Research 8: 703-715. [pdf]
    • Ragland, GJ and PA Carter. 2004. Genetic covariance structure of growth in the salamander Ambystoma macrodactylum. Heredity 92: 569-578. [pdf]
    • Kingsolver, JG, GJ Ragland, and JG Shlichta. 2004. Quantitative genetics of continuous reaction norms: thermal sensitivity of caterpillar growth rates. Evolution 58: 1521-1529. [pdf]
    • Kingsolver, JG, R Izem, and GJ Ragland. 2004. Plasticity of Size and Growth in Fluctuating Thermal Environments: Comparing Reaction Norms and Performance Curves. Integrative and Comparative Biology 44: 450-460. [pdf]