World's Best Scientists 2026 revealed!
Sandra M. Rehan

Sandra M. Rehan

D-Index & Metrics

Ecology and Evolution

D-Index
37
Citations
4249
World Ranking
6959
National Ranking
438

Sandra M. Rehan publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Sandra M. Rehan sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 135 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Sandra M. Rehan D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Sandra M. Rehan sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 37 D-Index — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

Overview

Sandra M. Rehan is affiliated with York University in Canada and works primarily in the fields of Agricultural and Biological Sciences as well as Biochemistry, Genetics and Molecular Biology. Their research has a significant focus on ecology, insect science, and genetics, with additional expertise in plant science and nature and landscape conservation.

The main subjects of their work include diverse studies on plant and animal interactions, insect and pesticide research, insect and arachnid ecology and behavior, plant parasitism and resistance, ecology and vegetation dynamics, bee products chemical analysis, and animal behavior and reproduction.

The scientist has contributed to numerous research papers published across several notable venues. Frequent publication outlets for their work include Scientific Reports, Communications Biology, Ecological Entomology, Insectes Sociaux, and Zenodo (CERN European Organization for Nuclear Research).

Rehan has collaborated frequently with several co-authors, among them Jesse L. Huisken, Anthony C. Ayers, Farida Samad-zada, Katherine D. Chau, and Evan P. Kelemen.

Some recent publications associated with Rehan's research include:

  • "Supporting Bees in Cities: How Bees Are Influenced by Local and Landscape Features" (2021, Insects)
  • "Wild bee declines linked to plant-pollinator network changes and plant species introductions" (2020, Insect Conservation and Diversity)
  • "Estimating species relative abundances from museum records" (2021, Methods in Ecology and Evolution)
  • "Diverse Diets with Consistent Core Microbiome in Wild Bee Pollen Provisions" (2020, Insects)
  • "Sociality sculpts similar patterns of molecular evolution in two independently evolved lineages of eusocial bees" (2021, Communications Biology)

Best Publications

  • Climbing the social ladder: the molecular evolution of sociality

    Sandra M. Rehan;Amy L. Toth

  • Microbial gut diversity of Africanized and European honey bee larval instars.

    Svjetlana Vojvodic;Sandra M. Rehan;Kirk E. Anderson;Kirk E. Anderson

  • Decline of bumble bees in northeastern North America, with special focus on Bombus terricola

    Molly M. Jacobson;Erika M. Tucker;Minna E. Mathiasson;Sandra M. Rehan

  • Supporting Bees in Cities: How Bees Are Influenced by Local and Landscape Features

    Anthony C Ayers;Sandra M Rehan

  • Nesting Biology and Subsociality in Ceratina calcarata (Hymenoptera: Apidae)

    Sandra M. Rehan;Miriam H. Richards

  • Characterization of pollen and bacterial community composition in brood provisions of a small carpenter bee.

    Quinn S. McFrederick;Sandra M. Rehan

  • Morphological and molecular delineation of a new species in the Ceratina dupla species-group (Hymenoptera: Apidae: Xylocopinae) of eastern North America

    Sandra M. Rehan;Cory S. Sheffield

  • Molecular Evolution of Insect Sociality: An Eco-Evo-Devo Perspective.

    Amy L Toth;Sandra M Rehan

  • Hunting for healthy microbiomes: determining the core microbiomes of Ceratina, Megalopta, and Apis bees and how they associate with microbes in bee collected pollen

    Peter Graystock;Sandra M. Rehan;Quinn S. McFrederick

  • A Mid-Cretaceous Origin of Sociality in Xylocopine Bees with Only Two Origins of True Worker Castes Indicates Severe Barriers to Eusociality

    Sandra M. Rehan;Sandra M. Rehan;Remko Leys;Remko Leys;Michael P. Schwarz

  • Wild bee declines linked to plant‐pollinator network changes and plant species introductions

    Minna E. Mathiasson;Sandra M. Rehan

  • Bee Diversity in Naturalizing Patches of Carolinian Grasslands in Southern Ontario, Canada

    M.H. Richards;A. Rutgers-Kelly;J. Gibbs;J.L. Vickruck

  • Wild Bee Pollen Usage and Microbial Communities Co-vary Across Landscapes.

    Quinn S. McFrederick;Sandra M. Rehan

  • At the brink of eusociality: transcriptomic correlates of worker behaviour in a small carpenter bee

    Sandra M Rehan;Ali J Berens;Amy L Toth

  • The costs and benefits of sociality in a facultatively social bee

    Sandra M. Rehan;Miriam H. Richards;Mark Adams;Michael P. Schwarz

  • Maternal manipulation of pollen provisions affects worker production in a small carpenter bee

    Sarah P. Lawson;Krista N. Ciaccio;Sandra M. Rehan

  • The Genome and Methylome of a Subsocial Small Carpenter Bee, Ceratina calcarata.

    Sandra M. Rehan;Karl M. Glastad;Sarah P. Lawson;Brendan G. Hunt

  • Molecular phylogeny of the small carpenter bees (Hymenoptera: Apidae: Ceratinini) indicates early and rapid global dispersal

    Sandra M Rehan;Thomas William Chapman;Andrew Ian Craigie;Miriam H Richards

  • Historical changes in bumble bee body size and range shift of declining species

    Sabine S. Nooten;Sabine S. Nooten;Sandra M. Rehan;Sandra M. Rehan

  • The evolution of eusociality in allodapine bees: workers began by waiting.

    Michael P. Schwarz;Simon M. Tierney;Sandra M. Rehan;Sandra M. Rehan;Luke B. Chenoweth

  • Social polymorphism in the Australian small carpenter bee, Ceratina ( Neoceratina ) australensis

    S. M. Rehan;M. H. Richards;M. P. Schwarz

  • Behavioral and genetic mechanisms of social evolution: insights from incipiently and facultatively social bees

    Unknown

Frequent Co-Authors

Michael Schwarz
Michael Schwarz Flinders University
Amy L. Toth
Amy L. Toth Iowa State University
Quinn S. McFrederick
Quinn S. McFrederick University of California, Riverside
William T. Wcislo
William T. Wcislo Smithsonian Tropical Research Institute
Steven J. B. Cooper
Steven J. B. Cooper University of Adelaide
Mark I. Stevens
Mark I. Stevens South Australian Museum
Anne E. Magurran
Anne E. Magurran University of St Andrews
Bryan N. Danforth
Bryan N. Danforth Cornell University
Werner Ulrich
Werner Ulrich Nicolaus Copernicus University
Mark C. Urban
Mark C. Urban University of Connecticut

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