• The lab research focuses on social evolution and genetics. We study bees to understand the genetic underpinnings and ecological constraints selecting for social behavior. This research includes:

    Field and lab experiments in New England and Australia to understand the behavior and ecology of native bees
    Genomics to understand relatedness and gene expression of individuals in social groups
    Molecular phylogeny to understand bee biodiversity, historical biogeography, as well as the age and origin of sociality
  • Publications

    Academic Article

    Year Title
    2018 Climate-mediated behavioural variability in facultatively social beesBiological Journal of the Linnean Society.  125:165-170. 2018
    2018 The effect of maternal care on gene expression and DNA methylation in a subsocial bee.Nature Communications.  9:3468. 2018
    2018 Climatic variation across a latitudinal gradient affect phenology and group size, but not social complexity in small carpenter beesInsectes Sociaux.  65:483-492. 2018
    2018 Phylogeography and population genetics of the Australian small carpenter bee, Ceratina australensisBiological Journal of the Linnean Society.  124:747-755. 2018
    2018 Changes in maternal investment with climate moderate social behaviour in a facultatively social beeBehavioral Ecology and Sociobiology.  72:69. 2018
    2018 Behavioral and genetic mechanisms of social evolution: insights from incipiently and facultatively social beesApidologie.  49:13-30. 2018
    2018 Decline of bumble bees in northeastern North America, with special focus on Bombus terricolaBiological Conservation.  217:437-445. 2018
    2018 The price of insurance: costs and benefits of worker production in a facultatively social beeBehavioral Ecology.  29:204-211. 2018
    2017 Effects of nutritional deprivation on development and behavior in the subsocial bee Ceratina calcarata (Hymenoptera: Xylocopinae).Journal of Experimental Biology.  220:4456-4462. 2017
    2017 Sociodemographic variation in foraging behavior and the adaptive significance of worker production in the facultatively social small carpenter bee, Ceratina calcarataBehavioral Ecology and Sociobiology.  71:135. 2017
    2017 Hunting for healthy microbiomes: determining the core microbiomes of Ceratina, Megalopta, and Apis bees and how they associate with microbes in bee collected pollenConservation Genetics.  18:701-711. 2017
    2017 Variation in DNA Methylation Is Not Consistently Reflected by Sociality in Hymenoptera.Genome Biology and Evolution.  9:1687-1698. 2017
    2017 Molecular Evolution of Insect Sociality: An Eco-Evo-Devo Perspective.Annual Review of Entomology.  62:419-442. 2017
    2017 High Elevation Refugia for Bombus terricola (Hymenoptera: Apidae) Conservation and Wild Bees of the White Mountain National Forest.Journal of Insect Science.  17:4-4. 2017
    2017 Range Expansion of the Small Carpenter Bee Ceratina smaragdula across the Hawaiian Archipelago with Potential Ecological Implications for Native Pollinator SystemsPacific Science.  71:1-15. 2017
    2016 Maternal manipulation of pollen provisions affects worker production in a small carpenter beeBehavioral Ecology and Sociobiology.  70:1891-1900. 2016
    2016 Transcriptional profiling of overwintering gene expression in the small carpenter bee, Ceratina calcarataApidologie.  47:572-582. 2016
    2016 The Genome and Methylome of a Subsocial Small Carpenter Bee, Ceratina calcarata.Genome Biology and Evolution.  8:1401-1410. 2016
    2016 Characterization of pollen and bacterial community composition in brood provisions of a small carpenter bee.Molecular Ecology.  25:2302-2311. 2016
    2016 Wild bee pollination networks in northern New EnglandJournal of Insect Conservation.  20:325-337. 2016
    2016 Recent and rapid diversification of the small carpenter bees in eastern North AmericaBiological Journal of the Linnean Society.  117:633-645. 2016
    2016 Biogeography and demography of an Australian native bee Ceratina australensis (Hymenoptera, Apidae) since the last glacial maximumJournal of Hymenoptera Research.  49:25-41. 2016
    2016 Cumulative effects of body size and social experience on aggressive behaviour in a subsocial beeBehaviour.  153:1365-1385. 2016
    2016 Development of Multiple Polymorphic Microsatellite Markers for Ceratina calcarata (Hymenoptera: Apidae) Using Genome-Wide Analysis.Journal of Insect Science.  16:57-57. 2016
    2015 Evidence for social nesting in Neotropical ceratinine beesInsectes Sociaux.  62:465-469. 2015
    2015 Climbing the social ladder: the molecular evolution of sociality.Trends in Ecology and Evolution.  30:426-433. 2015
    2015 Cumulative Effects of Foraging Behavior and Social Dominance on Brain Development in a Facultatively Social Bee (Ceratina australensis).Brain, Behavior and Evolution.  85:117-124. 2015
    2015 Phenological, but not social, variation associated with climate differences in a eusocial sweat bee, Halictus ligatus, nesting in southern OntarioJournal of Hymenoptera Research.  43:19-44. 2015
    2014 At the brink of eusociality: transcriptomic correlates of worker behaviour in a small carpenter bee.BMC Evolutionary Biology.  14:260. 2014
    2014 Multiple recent introductions of apid bees into Pacific archipelagos signify potentially large consequences for both agriculture and indigenous ecosystemsBiological Invasions.  16:2293-2302. 2014
    2014 The costs and benefits of sociality in a facultatively social beeAnimal Behaviour.  97:77-85. 2014
    2013 Colony disturbance and solitary nest initiation by workers in the obligately eusocial sweat bee, Halictus ligatusInsectes Sociaux.  60:389-392. 2013
    2013 Frequency of social nesting in the sweat bee Megalopta genalis (Halictidae) does not vary across a rainfall gradient, despite disparity in brood production and body sizeInsectes Sociaux.  60:163-172. 2013
    2013 Reproductive aggression and nestmate recognition in a subsocial beeAnimal Behaviour.  85:733-741. 2013
    2013 First evidence for a massive extinction event affecting bees close to the K-T boundary.PLoS ONE.  8:e76683. 2013
    2012 A single origin of large colony size in allodapine bees suggests a threshold event among 50 million years of evolutionary tinkeringInsectes Sociaux.  59:207-214. 2012
    2012 A mid-cretaceous origin of sociality in xylocopine bees with only two origins of true worker castes indicates severe barriers to eusociality.PLoS ONE.  7:e34690. 2012
    2011 Morphological and molecular delineation of a new species in the Ceratina dupla species-group (Hymenoptera: Apidae: Xylocopinae) of eastern North AmericaZootaxa.  35-50. 2011
    2011 Fitness consequences of ecological constraints and implications for the evolution of sociality in an incipiently social beeBiological Journal of the Linnean Society.  103:57-67. 2011
    2011 The evolution of eusociality in allodapine bees: workers began by waiting.Biology Letters.  7:277-280. 2011
    2011 Bee diversity in naturalizing patches of Carolinian grasslands in southern Ontario, CanadaCanadian Entomologist.  143:279-299. 2011
    2011 Nesting biology and DNA barcode analysis of Ceratina dupla and C. mikmaqi, and comparisons with C. calcarata (Hymenoptera: Apidae: Xylocopinae)Canadian Entomologist.  143:254-262. 2011
    2010 The Influence of Maternal Quality on Brood Sex Allocation in the Small Carpenter Bee, Ceratina calcarataEthology.  116:876-887. 2010
    2010 Molecular phylogeny of the small carpenter bees (Hymenoptera: Apidae: Ceratinini) indicates early and rapid global dispersal.Molecular Phylogenetics and Evolution.  55:1042-1054. 2010
    2010 Colony Social Organisation of Halictus confusus in Southern Ontario, with Comments on Sociality in the Subgenus H. (Seladonia)Journal of Hymenoptera Research.  19:144-158. 2010
    2010 Nesting biology and subsociality in Ceratina calcarata (Hymenoptera: Apidae)Canadian Entomologist.  142:65-74. 2010
    2010 Social polymorphism in the Australian small carpenter bee, Ceratina (Neoceratina) australensisInsectes Sociaux.  57:403-412. 2010
    2009 Evidence of Social Nesting in the Ceratina of Borneo (Hymenoptera: Apidae)Journal of the Kansas Entomological Society.  82:194-209. 2009

    Conference Proceeding

    Year Title
    2018 Conserved Genes Underlie Phenotypic Plasticity in an Incipiently Social Bee.Genome Biology and Evolution. 2749-2758. 2018
    2017 Social Aggression, Experience, and Brain Gene Expression in a Subsocial Bee.Integrative and Comparative Biology American Zoologist. 640-648. 2017

    Teaching Activities

  • Adv Rsrch Exp/Biological Sci Taught course 2019
  • Doctoral Dissertation Research Taught course 2019
  • Evolution Taught course 2019
  • Adv Rsrch Exp/Biology Sciences Taught course 2018
  • Doctoral Dissertation Research Taught course 2018
  • Doctoral Dissertation Research Taught course 2018
  • Rsrch Exp/Biological Sciences Taught course 2018
  • Doctoral Research Taught course 2017
  • Genes and Behavior Taught course 2017
  • Rsrch Exp/Biolgical Sciences Taught course 2017
  • Sem/Topics Ecology & Evolution Taught course 2017
  • Adv Rsrch Exp/Biol Science Taught course 2017
  • Doctoral Research Taught course 2017
  • Doctoral Research Taught course 2016
  • Evolution Taught course 2016
  • Sem/Topics Ecology & Evolution Taught course 2016
  • Genes and Behavior Taught course 2016
  • Rsrch Exp/Biological Sciences Taught course 2016
  • Scientific Communication Taught course 2016
  • Adv Rsrch Exp/Biol Sciences Taught course 2015
  • Adv Rsrch Exp/Biology Sciences Taught course 2015
  • Sem/Topics Ecology & Evolution Taught course 2015
  • Genes and Behavior Taught course 2015
  • Rsrch Exp/Biological Sciences Taught course 2015
  • Rsrch Exp/Biological Sciences Taught course 2014
  • Sem/Topics Ecology & Evolution Taught course 2014
  • Education And Training

  • B.S., Brock University
  • Ph.D. Ecology and Evolution, Brock University
  • Full Name

  • Sandra Rehan