Leif L. Richardson

3.4k citations

41 papers · 2.4k indexed · 2 hit papers · h-index 23

Ecology, Evolution, Behavior and Systematics top 0.5%
Insect Science top 0.2%
Genetics top 2%
Plant Science top 2%
Nature and Landscape Conservation top 5%

Co-authors: Rebecca E. Irwin Sheila R. Colla Jessamyn S. Manson Judith L. Bronstein Lawrence F. Gall David L. Wagner Paul H. Williams Robbin W. Thorp
Topics: Plant and animal studies (34 papers)Insect and Pesticide Research (26 papers)Insect and Arachnid Ecology and Behavior (14 papers)
Cited by: Insect Science Ecology, Evolution, Behavior and Systematics Ecological Modeling
Journals: Science Proceedings of the National Academy of Sciences Nature Communications
Partner nations: United States Canada United Kingdom

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

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

#	Work	Indexed citations
1	Elevated extinction risk in over one-fifth of native North American pollinators 2025 ·Proceedings of the National Academy of Sciences ·Tara M. Cornelisse,David W. Inouye,Rebecca E. Irwin,Sarina Jepsen,Jonathan R. Mawdsley,(unknown),Jaret C. Daniels,Diane M. Debinski,Terry Griswold,(unknown),Michael C. Orr,Leif L. Richardson,(unknown),Dale F. Schweitzer,Bruce E. Young	7
2	Recent and future declines of a historically widespread pollinator linked to climate, land cover, and pesticidesbreakdown → 2023 ·Proceedings of the National Academy of Sciences ·(unknown),Margaret R. Douglas,(unknown),(unknown),Casey M. Delphia,(unknown),Richard G. Hatfield,Douglas A. Keinath,Jonathan B. Koch,Lindsie M. McCabe,John M. Mola,Jane E. Ogilvie,Imtiaz Rangwala,Leif L. Richardson,(unknown),James P. Strange,Lusha M. Tronstad,Tabitha A. Graves	70
3	Endosymbionts that threaten commercially raised and wild bumble bees (Bombus spp.) 2023 ·Journal of Pollination Ecology ·Laura L. Figueroa,Ben M. Sadd,Amber D. Tripodi,James P. Strange,Sheila R. Colla,(unknown),Michelle A. Duennes,Elaine Evans,David M. Lehmann,(unknown),Leif L. Richardson,(unknown),Tamara Smith,Edward M. Spevak,David W. Inouye	17
4	Parasites, parasitoids, and hive products that are potentially deleterious to wild and commercially raised bumble bees (Bombus spp.) in North America 2023 ·Journal of Pollination Ecology ·Elaine Evans,James P. Strange,Ben M. Sadd,Amber D. Tripodi,Laura L. Figueroa,(unknown),Sheila R. Colla,Michelle A. Duennes,David M. Lehmann,(unknown),Leif L. Richardson,James W. Smith,Tamara Smith,Edward M. Spevak,David W. Inouye	9
5	An evidence-based rationale for a North American commercial bumble bee clean stock certification program 2023 ·Journal of Pollination Ecology ·James P. Strange,Sheila R. Colla,(unknown),Michelle A. Duennes,Elaine Evans,Laura L. Figueroa,David M. Lehmann,(unknown),Leif L. Richardson,Ben M. Sadd,(unknown),Tamara Smith,Amber D. Tripodi,David W. Inouye	8
6	Identifying conservation priority areas for North American bumble bee species in Canada under current and future climate scenarios 2023 ·Conservation Science and Practice ·(unknown),Richard Schuster,Leif L. Richardson,Sheila R. Colla	3
7	A field spray drift study to determine the downwind effects of isoxaflutole herbicide to nontarget plants 2021 ·Integrated Environmental Assessment and Management ·Dwayne R. J. Moore,(unknown),(unknown),(unknown),(unknown),Leif L. Richardson,(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),Lisa S. Ortego,Ismael Rodea‐Palomares,Jane Tang,Mengyuan Wang,(unknown),Yaning Yang	13
8	Seasonal Variation in Host Plant Chemistry Drives Sequestration in a Specialist Caterpillar 2021 ·Journal of Chemical Ecology ·(unknown),Leif L. Richardson,Rebecca E. Irwin,M. Deane Bowers	2
9	Probabilistic co-occurrence assessment for suites of listed species 2021 ·Integrated Environmental Assessment and Management ·Leif L. Richardson,(unknown),(unknown),Richard A. Brain,Lula Ghebremichael,Michael Winchell	4
10	Western bumble bee: declines in the continental United States and range‐wide information gaps 2020 ·Ecosphere ·Tabitha A. Graves,(unknown),(unknown),(unknown),Douglas A. Keinath,Christine M. Bell,(unknown),Richard G. Hatfield,(unknown),Jonathan B. Koch,(unknown),Leif L. Richardson,(unknown),Jessica J. Rykken,James P. Strange,Lusha M. Tronstad,Cory S. Sheffield	55
11	The arctic and alpine bumblebees of the subgenus Alpinobombus revised from integrative assessment of species’ gene coalescents and morphology (Hymenoptera, Apidae, Bombus) 2019 ·Zootaxa ·Paul H. Williams,(unknown),(unknown),Björn Cederberg,Frode Ødegaard,Claus Rasmussen,Leif L. Richardson,Jessica J. Rykken,Cory S. Sheffield,(unknown),(unknown)	36
12	Genotype‐specific effects of ericoid mycorrhizae on floral traits and reproduction in Vaccinium corymbosum 2019 ·American Journal of Botany ·Alison K. Brody,(unknown),Taylor H. Ricketts,(unknown),Jonathan B. González,Jeanne M. Harris,Leif L. Richardson	11
13	Home sick: impacts of migratory beekeeping on honey bee ( Apis mellifera ) pests, pathogens, and colony size 2018 ·PeerJ ·(unknown),(unknown),(unknown),Alison K. Brody,Leif L. Richardson	37
14	The behavioral ecology of nectar robbing: why be tactic constant? 2017 ·Current Opinion in Insect Science ·Judith L. Bronstein,Jessica L. Barker,Elinor M. Lichtenberg,Leif L. Richardson,Rebecca E. Irwin	31
15	Disaggregating the evidence linking biodiversity and ecosystem services 2016 ·Nature Communications ·Taylor H. Ricketts,Keri B. Watson,Insu Koh,Alicia M. Ellis,Charlie Nicholson,Stephen Posner,Leif L. Richardson,Laura J. Sonter	101
16	Pollination ecology and floral visitor spectrum of turtlehead (<i>Chelone glabra</i> L.; Plantaginaceae) 2015 ·SHILAP Revista de lepidopterología ·Leif L. Richardson,Rebecca E. Irwin	3
17	Genes Suggest Ancestral Colour Polymorphisms Are Shared across Morphologically Cryptic Species in Arctic Bumblebees 2015 ·PLoS ONE ·Paul H. Williams,(unknown),Björn Cederberg,(unknown),Frode Ødegaard,Claus Rasmussen,Leif L. Richardson,Jiaxing Huang,Cory S. Sheffield,Suzanne T. Williams	45
18	Bumble Bees of North America 2014 ·Princeton University Press eBooks ·Sheila R. Colla,Paul H. Williams,Robbin W. Thorp,Leif L. Richardson	157
19	Reproductive biology of pointleaf manzanita (<i>Arctostaphylos pungens</i>) and the pollinator-nectar robber spectrum 2012 ·SHILAP Revista de lepidopterología ·Leif L. Richardson,Judith L. Bronstein	18
20	AIMS-THERMAL - A THERMAL AND HIGH RESOLUTION COLOR CAMERA SYSTEM INTEGRATED WITH GIS FOR AERIAL MOOSE AND DEER CENSUS IN NORTHEASTERN VERMONT 2011 ·Alces : A Journal Devoted to the Biology and Management of Moose ·(unknown),(unknown),(unknown),(unknown),Leif L. Richardson	14

About Leif L. Richardson

Leif L. Richardson is a scholar working on Insect Science, Ecology, Evolution, Behavior and Systematics and Ecological Modeling, having authored 41 papers that have together received 2.4k indexed citations. Recurring topics across this work include Plant and animal studies (34 papers), Insect and Pesticide Research (26 papers) and Insect and Arachnid Ecology and Behavior (14 papers). The work is most often cited by research in Insect Science (1.4k citations), Ecology, Evolution, Behavior and Systematics (2.0k citations) and Ecological Modeling (272 citations). Leif L. Richardson has collaborated with scholars based in United States, Canada and United Kingdom. Frequent co-authors include Rebecca E. Irwin, Sheila R. Colla, Jessamyn S. Manson, Judith L. Bronstein, Lawrence F. Gall, David L. Wagner, Paul H. Williams, Robbin W. Thorp, Jeremy T. Kerr and Oliver Schweiger. Their work appears in journals such as Science, Proceedings of the National Academy of Sciences and Nature Communications.

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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