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Robert A. Haack

D-Index & Metrics

Ecology and Evolution

D-Index
42
Citations
9158
World Ranking
5472
National Ranking
1872

Robert A. Haack 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 Robert A. Haack 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: 147 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Robert A. Haack 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 Robert A. Haack 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: 42 D-Index — 35th percentile

35% of scientists in this discipline score the same or lower.

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

Overview

Robert A. Haack is affiliated with the US Forest Service in the United States. Their research primarily focuses on forest insect ecology and management, insect-plant interactions and control, and forest ecology and biodiversity studies.

Their work spans multiple disciplines within the agricultural and biological sciences as well as environmental science, with a notable emphasis on insect science and ecology. Subfields of particular interest include ecology, evolution, behavior and systematics, molecular biology, and global and planetary change.

Their recent publications cover diverse topics related to forest insects and wood borers. Notable papers include:

  • "Jewels on the go: exotic buprestids around the world (Coleoptera, Buprestidae)" (2023) published in NeoBiota
  • "Dispersal Behavior Characters of Spodoptera frugiperda Larvae" (2023) published in Insects
  • "Biology and Larval Morphology of Agrilus subcinctus (Coleoptera: Buprestidae), with Comparisons to the Emerald Ash Borer, Agrilus planipennis" (2025) published in The Great Lakes Entomologist
  • "Wood borer detection rates on wood packaging materials entering the United States during different phases of ISPM 15 implementation and regulatory changes" (2022) published in Frontiers in Forests and Global Change
  • "Bark- and Wood-Infesting Coleoptera and Associated Parasitoids Reared from Shagbark Hickory (Carya ovata) and Slippery elm (Ulmus rubra) in Ingham County, Michigan" (2021) published in The Great Lakes Entomologist

Robert A. Haack has published extensively in a number of scientific journals. The most frequent publication venues include:

  • The Great Lakes Entomologist
  • Forest Pathology
  • NeoBiota
  • Insects
  • Frontiers in Forests and Global Change

Their research collaborators often include the following coauthors:

  • Toby R. Petrice
  • David C. Houghton
  • Anthony I. Cognato
  • William G. Ruesink

The scientist's main research topics cover a wide range of insect-related ecological and biological studies, including:

  • Forest Insect Ecology and Management
  • Insect-Plant Interactions and Control
  • Forest Ecology and Biodiversity Studies
  • Insect and Pesticide Research
  • Insect Resistance and Genetics
  • Entomopathogenic Microorganisms in Pest Control
  • Entomological Studies and Ecology

Best Publications

  • The Role of Drought in Outbreaks of Plant-eating Insects

    William J. Mattson;Robert A. Haack

  • Exotic bark- and wood-boring Coleoptera in the United States: recent establishments and interceptions

    Robert A. Haack

  • Managing Invasive Populations of Asian Longhorned Beetle and Citrus Longhorned Beetle: A Worldwide Perspective

    Robert A. Haack;Franck Hérard;Jianghua Sun;Jean J. Turgeon

  • The Emerald Ash Borer: A New Exotic Pest in North America

    Robert A. Haack;Eduard Jendak;Liu Houping;Keneth R. Marchant

  • The role of drought stress in provoking outbreaks of phytophagous insects.

    William J. Mattson;Robert A. Haack

  • Intercepted Scolytidae (Coleoptera) at U.S. ports of entry: 1985-2000.

    Robert A. Haack

  • Exploratory survey for the emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae), and its natural enemies in China.

    Houping Liu;Leah S. Bauer;Ruitong Gao;Tonghai Zhao

  • Common pathways by which non-native forest insects move internationally and domestically

    Nicolas Meurisse;Davide Rassati;Brett Phillip Hurley;Eckehard G. Brockerhoff

  • New York's battle with the Asian long-horned beetle

    Robert A. Haack;Kenneth R. Law;Victor C. Mastro;H. Sharon Ossenburgen

  • Sirex noctilo : Discovery of a Palearctic Siricid Woodwasp in New York ( revised 2005July07 )

    E. Richard Hoebeke;Dennis A. Haugen;Robert A. Haack

  • Effectiveness of the International Phytosanitary Standard ISPM No. 15 on Reducing Wood Borer Infestation Rates in Wood Packaging Material Entering the United States

    Robert A. Haack;Kerry O. Britton;Eckehard G. Brockerhoff;Joseph F. Cavey

  • Science Priorities for Reducing the Threat of Invasive Species to Sustainable Forestry

    Elizabeth A. Chornesky;Ann M. Bartuska;Gregory H. Aplet;Kerry O. Britton

  • Defensive Strategies of Woody Plants Against Different Insect-Feeding Guilds in Relation to Plant Ecological Strategies and Intimacy of Association with Insects

    William J. Mattson;Robert K. Lawrence;Robert A. Haack;Daniel A. Herms

  • Predicting how altering propagule pressure changes establishment rates of biological invaders across species pools

    Eckehard G. Brockerhoff;Mark Kimberley;Andrew M. Liebhold;Robert A. Haack

  • White spruce and the spruce budworm : Defining the phenological window of susceptibility

    Robert K. Lawrence;William J. Mattson;Robert A. Haack

  • Invasion by the chestnut gall wasp in Italy causes significant yield loss in Castanea sativa nut production

    Andrea Battisti;Isadora Benvegnù;Fernanda Colombari;Robert A. Haack

  • INSECTS & PATHOGENS Regulators of Forest Ecosystems

    Robert A. Haack;James W. Byler

  • Does global warming increase establishment rates of invasive alien species? A centurial time series analysis.

    Dingcheng Huang;Robert A. Haack;Runzhi Zhang

  • Exotic bark and ambrosia beetles in the USA: potential and current invaders

    Robert A. Haack;Robert J. Rabaglia

  • Considering the nutritional ecology of the spruce budworm in its management

    William J. Mattson;Robert A. Haack;Robert K. Lawrence;Scott S. Slocum

Frequent Co-Authors

Therese M. Poland
Therese M. Poland US Forest Service
Eckehard G. Brockerhoff
Eckehard G. Brockerhoff Swiss Federal Institute for Forest, Snow and Landscape Research
Andrea Battisti
Andrea Battisti University of Padua
Lorenzo Marini
Lorenzo Marini University of Padua
Mark O. Kimberley
Mark O. Kimberley Scion
Daniel A. Herms
Daniel A. Herms The Ohio State University
Stuart H. Gage
Stuart H. Gage Michigan State University
Steven J. Seybold
Steven J. Seybold US Forest Service
Deborah G. McCullough
Deborah G. McCullough Michigan State University
Andrew M. Liebhold
Andrew M. Liebhold Czech University of Life Sciences Prague

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Related Online Degrees & Career Pathways

A background in Ecology and Evolution opens doors to various interdisciplinary careers and further study in psychology, counseling, and related fields. Many students expand their expertise through online degrees closely aligned with life sciences, which can complement ecology studies or offer new career directions.

For those interested in criminal justice and environmental law, consider exploring high paying jobs in forensic psychology. For graduates passionate about behavioral development, a child and adolescent psychology masters program could lead to impactful roles in schools or healthcare.

Affordable pathways such as affordable masters in counseling programs are available online, helping professionals develop skills in mental health support and consultation—valuable in both human and wildlife contexts. Additionally, those considering therapy careers can opt for clinical psychology online degree programs, which prepare graduates for licensure and clinical practice.

These online options provide flexible, interdisciplinary routes to diversify your career prospects after studying Ecology and Evolution in the USA.

Best Scientists Citing Robert A. Haack

Andrew M. Liebhold

Andrew M. Liebhold

Czech University of Life Sciences Prague

Publications: 73

Therese M. Poland

Therese M. Poland

US Forest Service

Publications: 54

Kenneth F. Raffa

Kenneth F. Raffa

University of Wisconsin–Madison

Publications: 52

Deborah G. McCullough

Deborah G. McCullough

Michigan State University

Publications: 49

Eckehard G. Brockerhoff

Eckehard G. Brockerhoff

Swiss Federal Institute for Forest, Snow and Landscape Research

Publications: 39

Brian H. Aukema

Brian H. Aukema

University of Minnesota

Publications: 36

Daniel A. Herms

Daniel A. Herms

The Ohio State University

Publications: 35

Jiri Hulcr

Jiri Hulcr

University of Florida

Publications: 32

Steven J. Seybold

Steven J. Seybold

US Forest Service

Publications: 27

Michael J. Wingfield

Michael J. Wingfield

University of Pretoria

Publications: 27

Jocelyn G. Millar

Jocelyn G. Millar

University of California, Riverside

Publications: 26

Ann E. Hajek

Ann E. Hajek

Cornell University

Publications: 25

Lawrence M. Hanks

Lawrence M. Hanks

University of Illinois at Urbana-Champaign

Publications: 24

Anthony I. Cognato

Anthony I. Cognato

Michigan State University

Publications: 24

Robert C. Venette

Robert C. Venette

University of Minnesota

Publications: 23

Michael D. Ulyshen

Michael D. Ulyshen

US Forest Service

Publications: 20

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