World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
43
Citations
6906
World Ranking
5324
National Ranking
77

Ian C.W. Hardy 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 Ian C.W. Hardy 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: 155 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Ian C.W. Hardy 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 Ian C.W. Hardy 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: 43 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Overview

Ian C.W. Hardy is affiliated with the University of Helsinki in Finland and specializes in research situated primarily within Agricultural and Biological Sciences. Their work covers several interrelated subfields, including Insect Science, Ecology, Evolution, Behavior and Systematics, Genetics, Plant Science, and Ecology.

Their research topics encompass a range of subjects associated with insect-plant interactions and control, plant and animal studies, and insect and arachnid ecology and behavior. Other specific areas of focus include insect and pesticide research, forest insect ecology and management, insect behavior and control techniques, and insect pest control strategies.

Hardy's publication record includes contributions to prominent scientific journals and venues. Frequent outlets for their work include:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Entomologia Experimentalis et Applicata
  • Ecological Entomology
  • Animal Behaviour
  • Biological Journal of the Linnean Society

Among the recent papers authored or co-authored by Hardy are:

  • "Action threshold development in cabbage pest management using synthetic and botanical insecticides" (2020), published in Entomologia Generalis
  • "Trait-based approaches to predicting biological control success: challenges and prospects" (2023), published in Trends in Ecology & Evolution
  • "Kinship effects in quasi-social parasitoids I: co-foundress number and relatedness affect suppression of dangerous hosts" (2020), published in Biological Journal of the Linnean Society
  • "Thiamethoxam exposure deregulates short ORF gene expression in the honey bee and compromises immune response to bacteria" (2021), published in Scientific Reports
  • "Kinship effects in quasi-social parasitoids II: co-foundress relatedness and host dangerousness interactively affect host exploitation" (2020), published in Biological Journal of the Linnean Society

Hardy regularly collaborates with researchers in their field. Frequent co-authors include:

  • K. S. Shameer
  • Daniela Lupi
  • C. Jucker
  • Tamar Keasar
  • Mohamed Khadar Abdi

Best Publications

  • Sex ratios : concepts and research methods

    Ian C.W. Hardy

  • Statistical analysis of sex ratios : an introduction.

    Kenneth Wilson;Ian C.W. Hardy

  • Clutch size in a parasitoid wasp : a manipulation experiment

    I. C. W. Hardy;N. T. Griffiths;H. C. J. Godfray

  • Animal Contests: List of contributors

    Ian C. W. Hardy;Mark Briffa

  • Sex ratio and mating structure in the parasitoid Hymenoptera.

    Ian C. W. Hardy

  • Possible factors influencing vertebrate sex ratios: an introductory overview

    Ian C.W. Hardy

  • The importance of being larger: parasitoid intruder–owner contests and their implications for clutch size

    Ghita Petersen;Ian C.W. Hardy

  • Logistic analysis of animal contests

    Ian C.W. Hardy;Scott A. Field;Scott A. Field

  • Aggression by polyembryonic wasp soldiers correlates with kinship but not resource competition

    David Giron;Derek W. Dunn;Ian C. W. Hardy;Michael R. Strand

  • Effects of assisted reproductive technologies on human sex ratio at birth.

    Walid E. Maalouf;Mina N. Mincheva;Bruce K. Campbell;Ian C.W. Hardy

  • Host plant, host plant chemistry and the polyembryonic parasitoid Copidosoma sosares : indirect effects in a tritrophic interaction

    Paul J. Ode;Paul J. Ode;May R. Berenbaum;Arthur R. Zangerl;Ian C. W. Hardy;Ian C. W. Hardy

  • Spiteful soldiers and sex ratio conflict in polyembryonic parasitoid wasps.

    Andy Gardner;Ian C. W. Hardy;Peter D. Taylor;Stuart A. West

  • Non-binomial sex allocation and brood sex ratio variances in the parasitoid Hymenoptera

    Ian C. W. Hardy

  • Brood guarding in a bethylid wasp

    Ian C. W. Hardy;Tim M. Blackburn

  • Patterns of sex ratio, virginity and developmental mortality in gregarious parasitoids☆

    Ian C. W. Hardy;Ian C. W. Hardy;Ian C. W. Hardy;Lieuwe J. Dijkstra;Jaklien E. M. Gillis;Patrick A. Luft

  • The importance of valuing resources : host weight and contender age as determinants of parasitoid wasp contest outcomes

    Emily L. Humphries;Alison J. Hebblethwaite;Tim P. Batchelor;Ian C.W. Hardy

  • Parasitoid Sex Ratios and Biological Control

    Paul J. Ode;Ian C.W. Hardy

  • The importance of being gravid: egg load and contest outcome in a parasitoid wasp

    Stinne Stokkebo;Ian C.W. Hardy;Ian C.W. Hardy

  • Insect gladiators II: Competitive interactions within and between bethylid parasitoid species of the coffee berry borer, Hypothenemus hampei (Coleoptera: Scolytidae)

    Tim P. Batchelor;Ian C.W. Hardy;Juan F. Barrera;Gabriela Pérez-Lachaud

  • Brood sex ratio variance, developmental mortality and virginity in a gregarious parasitoid wasp

    Ian C. W. Hardy;James M. Cook

  • Multi-trait mimicry of ants by a parasitoid wasp

    Miriama Malcicka;T. Martijn Bezemer;Bertanne Visser;Mark Bloemberg

Frequent Co-Authors

Ara Monadjem
Ara Monadjem University of Pretoria
Paul J. Ode
Paul J. Ode Colorado State University
Peter J. Mayhew
Peter J. Mayhew University of York
Robert S. T. Linforth
Robert S. T. Linforth University of Nottingham
Andy Gardner
Andy Gardner University of St Andrews
David A. Barrett
David A. Barrett University of Nottingham
Jeffrey A. Harvey
Jeffrey A. Harvey Vrije Universiteit Amsterdam
Michael R. Strand
Michael R. Strand University of Georgia
Mikael K. Sejr
Mikael K. Sejr Aarhus University
Bethia H. King
Bethia H. King Northern Illinois University

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Exploring these online degree options can enhance your career versatility and enable you to connect ecological and evolutionary principles with broader real-world challenges.

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