Leif L. Richardson

3.4k total citations · 2 hit papers
41 papers, 2.4k citations indexed

About

Leif L. Richardson is a scholar working on Ecology, Evolution, Behavior and Systematics, Insect Science and Genetics. According to data from OpenAlex, Leif L. Richardson has authored 41 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Ecology, Evolution, Behavior and Systematics, 27 papers in Insect Science and 15 papers in Genetics. Recurrent topics in Leif L. Richardson's work include Plant and animal studies (34 papers), Insect and Pesticide Research (26 papers) and Insect and Arachnid Ecology and Behavior (14 papers). Leif L. Richardson is often cited by papers focused on Plant and animal studies (34 papers), Insect and Pesticide Research (26 papers) and Insect and Arachnid Ecology and Behavior (14 papers). Leif L. Richardson collaborates with scholars based in United States, Canada and United Kingdom. Leif L. Richardson's co-authors include Rebecca E. Irwin, Sheila R. Colla, Jessamyn S. Manson, Judith L. Bronstein, David L. Wagner, Lawrence F. Gall, Paul H. Williams, Robbin W. Thorp, Derek S. Sikes and Oliver Schweiger and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Nature Communications.

In The Last Decade

Leif L. Richardson

41 papers receiving 2.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Climate change impacts on bumblebees converge across continents

2015 565 citations Sheila R. Colla, Leif L. Richardson et al. profile →
Recent and future declines of a historically widespread pollinator linked to climate, land cover, and pesticides

2023 70 citations Margaret R. Douglas, Casey M. Delphia et al. Proceedings of the National Academy of Sciences profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Leif L. Richardson United States	23	2.0k	1.4k	928	813	415	41	2.4k
Daniel P. Cariveau United States	18	2.0k 1.0×	1.2k 0.9×	650 0.7×	920 1.1×	905 2.2×	39	2.5k
R.M.J.C. Kleukers Netherlands	9	2.3k 1.1×	1.3k 1.0×	805 0.9×	1.1k 1.3×	799 1.9×	21	2.5k
Tom D. Breeze United Kingdom	21	2.7k 1.4×	2.1k 1.5×	1.1k 1.2×	1.2k 1.5×	475 1.1×	56	3.4k
Theo Peeters Netherlands	6	2.2k 1.1×	1.3k 1.0×	784 0.8×	1.1k 1.3×	718 1.7×	20	2.5k
Thomas Tscheulin Greece	29	2.5k 1.3×	1.4k 1.0×	665 0.7×	1.5k 1.9×	1.1k 2.8×	60	3.0k
Katherine C. R. Baldock United Kingdom	17	1.8k 0.9×	973 0.7×	535 0.6×	953 1.2×	716 1.7×	26	2.2k
Georg K.S. Andersson Sweden	19	1.4k 0.7×	1.3k 1.0×	692 0.7×	480 0.6×	290 0.7×	29	2.0k
Jeroen Scheper Netherlands	22	2.2k 1.1×	1.5k 1.1×	644 0.7×	1.1k 1.4×	856 2.1×	45	2.8k
Claire Carvell United Kingdom	26	3.0k 1.5×	2.0k 1.4×	990 1.1×	1.4k 1.7×	1.1k 2.8×	51	3.5k
Blandina Felipe Viana Brazil	25	1.7k 0.9×	1.1k 0.8×	551 0.6×	828 1.0×	381 0.9×	90	2.0k

Countries citing papers authored by Leif L. Richardson

Since Specialization

Citations

This map shows the geographic impact of Leif L. Richardson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Leif L. Richardson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Leif L. Richardson more than expected).

Fields of papers citing papers by Leif L. Richardson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Leif L. Richardson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Leif L. Richardson. The network helps show where Leif L. Richardson may publish in the future.

Co-authorship network of co-authors of Leif L. Richardson

This figure shows the co-authorship network connecting the top 25 collaborators of Leif L. Richardson. A scholar is included among the top collaborators of Leif L. Richardson based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Leif L. Richardson. Leif L. Richardson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Cornelisse, Tara M., David W. Inouye, Rebecca E. Irwin, et al.. (2025). Elevated extinction risk in over one-fifth of native North American pollinators. Proceedings of the National Academy of Sciences. 122(14). e2418742122–e2418742122. 7 indexed citations

Strange, James P., Sheila R. Colla, Michelle A. Duennes, et al.. (2023). An evidence-based rationale for a North American commercial bumble bee clean stock certification program. Journal of Pollination Ecology. 33. 1–13. 8 indexed citations

Evans, Elaine, James P. Strange, Ben M. Sadd, et al.. (2023). Parasites, parasitoids, and hive products that are potentially deleterious to wild and commercially raised bumble bees (Bombus spp.) in North America. Journal of Pollination Ecology. 33(3). 37–53. 9 indexed citations

Douglas, Margaret R., Casey M. Delphia, Richard G. Hatfield, et al.. (2023). Recent and future declines of a historically widespread pollinator linked to climate, land cover, and pesticides. Proceedings of the National Academy of Sciences. 120(5). e2211223120–e2211223120. 70 indexed citations breakdown →

Figueroa, Laura L., Ben M. Sadd, Amber D. Tripodi, et al.. (2023). Endosymbionts that threaten commercially raised and wild bumble bees (Bombus spp.). Journal of Pollination Ecology. 33. 14–36. 17 indexed citations

Schuster, Richard, et al.. (2023). Identifying conservation priority areas for North American bumble bee species in Canada under current and future climate scenarios. Conservation Science and Practice. 5(8). 3 indexed citations

Fisher, Kaleigh, et al.. (2022). A contemporary survey of bumble bee diversity across the state of California. Ecology and Evolution. 12(3). e8505–e8505. 3 indexed citations

Moore, Dwayne R. J., Leif L. Richardson, Lisa S. Ortego, et al.. (2021). A field spray drift study to determine the downwind effects of isoxaflutole herbicide to nontarget plants. Integrated Environmental Assessment and Management. 18(3). 757–769. 13 indexed citations

Richardson, Leif L., et al.. (2021). Seasonal Variation in Host Plant Chemistry Drives Sequestration in a Specialist Caterpillar. Journal of Chemical Ecology. 48(1). 79–88. 2 indexed citations

10.

Graves, Tabitha A., Douglas A. Keinath, Christine M. Bell, et al.. (2020). Western bumble bee: declines in the continental United States and range‐wide information gaps. Ecosphere. 11(6). 55 indexed citations

11.

Brody, Alison K., et al.. (2019). Genotype‐specific effects of ericoid mycorrhizae on floral traits and reproduction in Vaccinium corymbosum. American Journal of Botany. 106(11). 1412–1422. 11 indexed citations

12.

Williams, Paul H., Björn Cederberg, Frode Ødegaard, et al.. (2019). The arctic and alpine bumblebees of the subgenus Alpinobombus revised from integrative assessment of species’ gene coalescents and morphology (Hymenoptera, Apidae, Bombus). Zootaxa. 4625(1). zootaxa.4625.1.1–zootaxa.4625.1.1. 36 indexed citations

13.

Brody, Alison K., et al.. (2018). Home sick: impacts of migratory beekeeping on honey bee ( Apis mellifera ) pests, pathogens, and colony size. PeerJ. 6. e5812–e5812. 37 indexed citations

14.

Bronstein, Judith L., Jessica L. Barker, Elinor M. Lichtenberg, Leif L. Richardson, & Rebecca E. Irwin. (2017). The behavioral ecology of nectar robbing: why be tactic constant?. Current Opinion in Insect Science. 21. 14–18. 31 indexed citations

15.

Nicholson, Charlie, et al.. (2017). Farm and landscape factors interact to affect the supply of pollination services. Agriculture Ecosystems & Environment. 250. 113–122. 74 indexed citations

16.

Richardson, Leif L. & Rebecca E. Irwin. (2015). Pollination ecology and floral visitor spectrum of turtlehead (<i>Chelone glabra</i> L.; Plantaginaceae). SHILAP Revista de lepidopterología. 17. 132–144. 3 indexed citations

17.

Williams, Paul H., Björn Cederberg, Frode Ødegaard, et al.. (2015). Genes Suggest Ancestral Colour Polymorphisms Are Shared across Morphologically Cryptic Species in Arctic Bumblebees. PLoS ONE. 10(12). e0144544–e0144544. 45 indexed citations

18.

Colla, Sheila R., Paul H. Williams, Robbin W. Thorp, & Leif L. Richardson. (2014). Bumble Bees of North America. Princeton University Press eBooks. 157 indexed citations

19.

Richardson, Leif L. & Judith L. Bronstein. (2012). Reproductive biology of pointleaf manzanita (<i>Arctostaphylos pungens</i>) and the pollinator-nectar robber spectrum. SHILAP Revista de lepidopterología. 9. 115–123. 18 indexed citations

20.

Richardson, Leif L., et al.. (2011). AIMS-THERMAL - A THERMAL AND HIGH RESOLUTION COLOR CAMERA SYSTEM INTEGRATED WITH GIS FOR AERIAL MOOSE AND DEER CENSUS IN NORTHEASTERN VERMONT. Alces : A Journal Devoted to the Biology and Management of Moose. 47. 27–37. 14 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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