B.Sc. in Biology, Texas State University, 2006
M.Sc. in Population and Conservation Biology, Texas State Universty, 2009
Ph.D. in Biologial Sciences, University of Notre Dame, 2016
Post-Doctoral Fellow, Rice Academy of Fellows, Rice University, 2016-2018
Research Assistant Professor, Wayne State University, 2018-2019
Assistant Professor, Wayne State University, 2019-Present
Research interest(s)/area of expertise
- Evolutionary Ecology
- Adaptation and Speciation
- Multi-trophic interactions
- DNA diagnostics
Doellman MM, Hood GR, Xu CCY, Gersfeld J, Holmes N, Yee W, Feder JL. (2020) Identifying diagnostic genetic markers for a cryptic invasive agricultural pest: a test case using the apple maggot fly, Rhagoletis pomonella (Diptera: Tephritidae). Annals of the Entomological Society of America. In press.
Hood GR, Powell THQ, Doellman MM, Sim, SB, Glover M, Yee WL, Goughnour RB, Mattson M, Schwarz D, Feder JL. (2020) Rapid and repeatable host plant shifts drive reproductive isolation following a human-mediated introduction. Evolution 74:156-168.
Hood GR, Weaver AK, Comerford MS, Morton PM, Egan SP. (2019) Human-mediated disturbance in multitrophic interactions results in outbreak levels of North America’s most venomous caterpillar. Biology Letters 19:20190407.
Hood GR, Zhang L, Hu EG, Ott JR, Egan, SP. (2019) Cascading reproductive isolation: plant phenology drives temporal isolation among populations of a host-specific herbivore. Evolution 73:554-568.
Tvedte ES, Walden KKO, McElroy KE, Forbes AA, Hood GR, Logsdon Jr JM, Feder JL Robertson HM. (2019) Genome of the parasitoid wasp Diachasma alloeum, an emerging model for ecological speciation and transitions to asexual reproduction. Genome Biology and Evolution 11:2767-2773.
Zhang L, Hood GR, Ott JR, Egan SP. (2019) Temporal isolation between sympatric host plants cascades across multiple trophic levels of host-associated insects. Biology Letters 15:20190507.
Driscoe AL, Nice CC, Busbee RW, Hood GR, Egan SP, Ott JR. (2019) Host plant association and spatial autocorrelation as drivers of genetic differentiation among populations of a regionally host-specific insect herbivore. Molecular Ecology 28:4197-4211.
Doellman MM, Egan SP, Ragland GJ, Meyers PJ, Hood GR, Powell THQ, Lazorchak P, Hahn DA, Berlocher SH, Nosil P, Feder JL. (2019) Standing genetic variation in eclosion time and genome wide patterns of geographic and host related differentiation in Rhagoletis pomonella. Ecology and Evolution 9:393-409.
Egan SP, Zhang L, Comerford M, Hood GR. (2018) Botanical parasitism of an insect by a parasitic plant. Current Biology 28:R863-R864.
Hood GR, Zhang L, Topper L*, Pinto PBDF, del Pino G, Comerford MS, Egan SP. (2018) ‘Closing the life cycle’ in Andricus quercuslanigera (Ashmead 1881) (Hymenoptera: Cynipidae). Annals of the Entomological Society of America.
Schuler H, Egan SP, Hood GR, Driscoe A, Ott JR. (2018) Patterns of Wolbachia infection among populations of the gall wasp Belonocnema treatae: the effects of generation, geography, ecology and history. BMC Evolutionary Biology 18:1.
Ragland GJ, Meyers PJ, Doellman MM, Hood GR, Egan SP, Powell THQ, Hahn DA, Nosil P, Feder JL. (2017) A test of genomic modularity among life history adaptations promoting speciation-with-gene-flow. Molecular Ecology 26:3926-3942.
Hood GR, Ott JR. (2017) Independent life history evolution between generations of bivoltine species: a case study of cyclical parthenogenesis Oecologia 183:1053-1064.
Hamerlinck G., Lemoine NP, Hood GR, Abbott KC, Forbes AA. (2016) Meek mothers with powerful daughters: effects of novel host environments and small trait differences on parasitoid competition. Oikos 1:1-12.
Hamerlinck G, Hulbert D, Hood GR, Smith JJ, Forbes AA. (2016) Histories of host shifts and cospeciation among free-living parasitoids of Rhagoletis flies. Journal of Evolutionary Biology 29:1766-1779.
Mattsson M, Hood GR, Feder JL, Ruedas LA. (2016) Rapid and repeatable shifts in life history timing of Rhagoletis pomonella (Diptera: Tephritidae) following colonization of novel host plants in the Pacific Northwestern United States. Ecology and Evolution 5:5823-5837.
Hood GR, Forbes AA, Powell THQ, Egan SP, Hamerlinck G, Smith JJ, Feder JL. (2015) Sequential divergence and the multiplicative origin of community diversity. Proceedings of the National Academy of Science USA 112:E5980-E5989.
Arcella T‡, Hood GR‡, Powell THQ‡, Sim SB, Yee WL, Schwarz D, Egan SP, Goughnour RB, Smith JJ, Feder JL. (2015) Hybridization and the spread of the Apple Maggot Fly, Rhagoletis pomonella (Diptera: Tephritidae), in the Northwestern United States. Evolutionary Applications 8:834-846. ‡Equal author contribution
Egan, SP, Ragland GR, Assour L, Powell THQ, Hood GR, Emrich S, Nosil P, Feder JL. (2015) Experimental evidence natural selection drives genome-wide divergence during sympatric speciation. Ecology Letters 18:817-825.
Powell, THQ, Forbes AA, Hood GR, Feder JL. (2013) Ecological adaptation and reproductive isolation in sympatry: genetic and phenotypic evidence for multiple native host races in Rhagoletis pomonella. Molecular Ecology 23:688-704.
Powell THQ, Hood GR, Murphy M*, Heilveil JS, Berlocher SH, Nosil P, Feder JL. (2013) Genomic divergence along a speciation continuum: the transition from host race to species in Rhagoletis (Diptera: Tephritidae). Evolution 67:2561-2576.
Hood GR, Egan SP, Feder JL. (2012) Evidence for sexual isolation as a prezygotic barrier to gene flow between morphologically divergent species of Rhagoletis fruit flies. Ecological Entomology 37:521-528.
Hood GR, Egan SP, Feder JL. (2012) Interspecific competition and speciation in endoparasitoids. Evolutionary Biology 39:219-230.
Egan SP, Hood GR, Feder JL, Ott JR. (2012) Divergent host plant use promotes reproductive isolation among cynipid gall wasp populations. Biology Letters 8:605-608.
Hood GR, Ott JR. (2011) Generational shape shifting: changes in egg shape and egg size between asexual and sexual generations of a cyclically parthenogenic gall former. Entomologia Experimentalis et Applicata 141:88-96.
Egan SP, Hood GR, Ott JR. (2011) Natural selection on gall size: Variable contributions of individual host plants to landscape wide patterns. Evolution 65:3543-3557.
Hood GR, Ott JR. (2009) Developmental plasticity and reduced susceptibility to natural enemies following host plant defoliation in a specialized herbivore. Oecologia 162:673-83.
- Ecology (BIO 4130)
Biogeography (BIO 4420)
Technical Communication in Molecular Biotechnology (BIO 6994)