Andrew Deans
Professor of Entomology, Director of the Frost Entomological Museum
Huck Affiliations
Most Recent Publications
Review of the world genera of Phanacidini (Hymenoptera: Cynipoidea: Cynipidae), with the first record from China and a new tribal diagnostic character
Louis F. Nastasi, Andrew R. Deans, 2025, Zootaxa on p. 401-419
Two new species of Ormyrus Westwood (Hymenoptera: Ormyridae) from Cynipidae (Hymenoptera) galls on Silphium L. (Asteraceae: Heliantheae)
Louis F. Nastasi, Charles K. Davis, Jelani K. Alcorn, Timothy S. Frey, M. J. Hatfield, Heather M. Hines, John F. Tooker, Andrew R. Deans, 2025, Zootaxa on p. 265-287
Description of two new species of Diastrophus Hartig, 1840 from Taiwan, Diastrophus renai and D. wushei (Hymenoptera: Cynipidae: Diastrophini)
Charles K. Davis, Louis F. Nastasi, Andrew R. Deans, 2024, Zootaxa on p. 367-374
New herb gall wasps (Hymenoptera: Cynipidae: Aulacideini) from Kyrgyzstan, with description of a new genus and a review of the genus Panteliella Kieffer, 1901
Louis F. Nastasi, Andrew R. Deans, 2024, Zootaxa on p. 511-526
One must imagine Sisyphus happy: Integrative taxonomic characterization of 22 new Ceroptres species (Hymenoptera: Cynipidae: Ceroptresini)
Louis F. Nastasi, Cecil N. Smith, Charles K. Davis, Anna K.G. Ward, Guerin Brown, Y. Miles Zhang, Shannon Rollins, Chris Friesen, Carly M. Tribull, Andrew A. Forbes, Andrew R. Deans, 2024, Zootaxa on p. 1-63
Cryptic or underworked? Taxonomic revision of the Antistrophus rufus species complex (Cynipoidea, Aulacideini)
Louis F. Nastasi, John F. Tooker, Charles K. Davis, Cecil N. Smith, Timothy S. Frey, M. J. Hatfield, Tara M. Presnall, Heather M. Hines, Andrew R. Deans, 2024, Journal of Hymenoptera Research on p. 399-439
Diversity and complexity of arthropod references in haiku
Andrew R. Deans, Laura Porturas, 2024, PLoS One
Checklists of the Ceraphronoidea, Cynipoidea, Evanioidea, Stephanoidea and Trigonalyoidea (Hymenoptera) of Canada, Alaska and Greenland
Andrew M.R. Bennett, Matthew L. Buffington, Andrew R. Deans, Mattias Forshage, George Melika, Istvan Miko, David R. Smith, 2024, Journal of Hymenoptera Research on p. 1163-1220
Aulacidea manchuria Nastasi sp. nov., a new herb gall wasp from China (Hymenoptera: Cynipoidea: Aulacideini), with commentary on hawkweed (Asteraceae: Hieraciinae) gall wasps
Louis F. Nastasi, Andrew R. Deans, 2024, Zootaxa on p. 582-588
Key to the North American tribes and genera of herb, rose, bramble, and inquiline gall wasps (Hymenoptera, Cynipoidea, Cynipidae sensu lato)
Louis F. Nastasi, Matthew L. Buffington, Charles K. Davis, Andrew R. Deans, 2024, ZooKeys on p. 177-207
Most-Cited Papers
Finding Our Way through Phenotypes
Andrew R. Deans, Suzanna E. Lewis, Eva Huala, Salvatore S. Anzaldo, Michael Ashburner, James P. Balhoff, David C. Blackburn, Judith A. Blake, J. Gordon Burleigh, Bruno Chanet, Laurel D. Cooper, Mélanie Courtot, Sándor Csösz, Hong Cui, Wasila Dahdul, Sandip Das, T. Alexander Dececchi, Agnes Dettai, Rui Diogo, Robert E. Druzinsky, Michel Dumontier, Nico M. Franz, Frank Friedrich, George V. Gkoutos, Melissa Haendel, Luke J. Harmon, Terry F. Hayamizu, Yongqun He, Heather M. Hines, Nizar Ibrahim, Laura M. Jackson, Pankaj Jaiswal, Christina James-Zorn, Sebastian Köhler, Guillaume Lecointre, Hilmar Lapp, Carolyn J. Lawrence, Nicolas Le Novère, John G. Lundberg, James Macklin, Austin R. Mast, Peter E. Midford, István Mikó, Christopher J. Mungall, Anika Oellrich, David Osumi-Sutherland, Helen Parkinson, Martín J. Ramírez, Stefan Richter, Peter N. Robinson, Alan Ruttenberg, Katja S. Schulz, Erik Segerdell, Katja C. Seltmann, Michael J. Sharkey, Aaron D. Smith, Barry Smith, Chelsea D. Specht, R. Burke Squires, Robert W. Thacker, Anne Thessen, Jose Fernandez-Triana, Mauno Vihinen, Peter D. Vize, Lars Vogt, Christine E. Wall, Ramona L. Walls, Monte Westerfeld, Robert A. Wharton, Christian S. Wirkner, James B. Woolley, Matthew J. Yoder, Aaron M. Zorn, Paula Mabee, 2015, PLoS Biology on p. e1002033
Phylogenomics of Ichneumonoidea (Hymenoptera) and implications for evolution of mode of parasitism and viral endogenization
Barbara J. Sharanowski, Ryan D. Ridenbaugh, Patrick K. Piekarski, Gavin R. Broad, Gaelen R. Burke, Andrew R. Deans, Alan R. Lemmon, Emily C. Moriarty Lemmon, Gloria J. Diehl, James B. Whitfield, Heather M. Hines, 2020, Molecular Phylogenetics and Evolution
Malagasy Conostigmus (Hymenoptera: Ceraphronoidea) and the secret of scutes
István Mikó, Carolyn Trietsch, Emily L. Sandall, Matthew Jon Yoder, Heather Hines, Andrew Robert Deans, 2016, PeerJ
Emerging semantics to link phenotype and environment
Anne E. Thessen, Daniel E. Bunker, Pier Luigi Buttigieg, Laurel D. Cooper, Wasila M. Dahdul, Sami Domisch, Nico M. Franz, Pankaj Jaiswal, Carolyn J. Lawrence-Dill, Peter E. Midford, Christopher J. Mungall, Martin J. Ramírez, Chelsea D. Specht, Lars Vogt, Rutger Aldo Vos, Ramona L. Walls, Jeffrey W. White, Guanyang Zhang, Andrew R. Deans, Eva Huala, Suzanna E. Lewis, Paula M. Mabee, 2015, PeerJ
Catalogue of Rose Gall, Herb Gall, and Inquiline Gall Wasps (Hymenoptera: Cynipidae) of the United States, Canada and Mexico
Louis F. Nastasi, Andrew R. Deans, 2021, Biodiversity Data Journal on p. 1-41
The insect collectors' code
Carolyn Trietsch, Andrew R. Deans, 2018, American Entomologist on p. 156-158
Multi-gene phylogeny and divergence estimations for evaniidae (hymenoptera)
Barbara J. Sharanowski, Leanne Peixoto, Anamaria Dal Molin, Andrew R. Deans, 2019, PeerJ
A taxonomic revision of nearctic conostigmus (hymenoptera: ceraphronoidea: megaspilidae)
Carolyn Trietsch, István Mikó, Briana Ezray, Andrew R. Deans, 2020, Zootaxa on p. 1-155
Key to the North American tribes and genera of herb, rose, bramble, and inquiline gall wasps (Hymenoptera, Cynipoidea, Cynipidae sensu lato)
Louis F. Nastasi, Matthew L. Buffington, Charles K. Davis, Andrew R. Deans, 2024, ZooKeys on p. 177-207
A new megaspilid wasp from Eocene Baltic amber (Hymenoptera: Ceraphronoidea), with notes on two non-ceraphronoid families: Radiophronidae and Stigmaphronidae
István Mikó, Thomas van de Kamp, Carolyn Trietsch, Jonah M. Ulmer, Marcus Zuber, Tilo Baumbach, Andrew R. Deans, 2018, PeerJ
News Articles Featuring Andrew Deans
Jun 10, 2026
Huck names Leadership Fellows for 2026-27
The Huck Institutes of the Life Sciences has selected three faculty members to serve as Huck Leadership Fellows for the 2026-27 academic year. The competitive program prepares faculty for future leadership roles while engaging them in strategic initiatives that advance interdisciplinary research at Penn State.
Full Article
Dec 13, 2024
8-year-old boy’s discovery rewrites 100 years of insect and plant knowledge
A boy’s mammoth tooth and another’s ant-inspired study reveal nature’s secrets, linking past and present through curiosity and discovery.
Full Article
Oct 18, 2024
Penn State entomology graduate student identifies 22 new species of gall wasps
Twenty-two new species of gall wasps have been identified and named for the first time, thanks to new research led by a Penn State College of Agricultural Sciences graduate student.
Full Article
Apr 03, 2023
8-year-old boy disrupts 100 years of scientific knowledge regarding insects and plants
Penn State scientists, thanks to 8-year old Hugo Dean's curiousity, have discovered a new level of complexity in plant-insect interactions through a groundbreaking study that has turned a century of knowledge about the relationship on its head.
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Sep 01, 2022
Boy’s discovery reveals highly complex plant-insect interaction
When 8-year-old Hugo Deans discovered a handful of BB-sized objects lying near an ant nest beneath a log in his backyard, he thought they were a type of seed
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