Publications

2024

Peters B, Leonhardt SD, Schloter M & Keller A (2024) Direct and indirect effects of land use on microbiomes of trap-nesting solitary bee larvae and nests. Frontiers in Microbiology: https://doi: 10.3389/fmicb.2024.1513096 

Schleifer MC, Ruedenauer FA, Ziegler J, Leonhardt SD & Spaethe J (2024) Perception, regulation, and effects on longevity of pollen fatty acids in the honey bee, Apis mellifera. PLOS ONE 19(11): e0309789. https://doi.org/10.1371/journal.pone.0309789

Ruedenauer FA, Schaeffler AA, Schneider T, Rakonic G, Spaethe J & Leonhardt SD (2024) Does fat identity matter? The effect of saturated and unsaturated fatty acids on bumble bee consumption and fitness. Ecological Entomology: https://doi.org/10.1111/een.13402

Leonhardt SD & Chui SX (2024) The Importance of Plant Community Composition and Diversity for Plant Resins Collection and Functioning. In: Vit, P., Bankova, V., Popova, M., Roubik, D.W. (eds) Stingless Bee Nest Cerumen and Propolis, Volume 1. Springer, Cham. https://doi.org/10.1007/978-3-031-43274-3_9

Leonhardt SD & Roubik DW (2024) Plant Resins—Their Role for Plants and Use by Stingless Bees. In: Vit, P., Bankova, V., Popova, M., Roubik, D.W. (eds) Stingless Bee Nest Cerumen and Propolis, Volume 1. Springer, Cham. https://doi.org/10.1007/978-3-031-43274-3_12

Parreño MA, Werle S, Buydens L, Leroy C, Roberts S, Koirala S, Filipiak M, Kuhlmann M, Brunet JL, Henry M, Alaux C, Requier F, Piot N, Meeus I, Klein AM, Keller A & Leonhardt SD (2024) Landscape heterogeneity correlates with bee and pollen diversity while size and specialization degree explain species-specific responses of wild bees to the environment,
Science of The Total Environment, 954: https://doi.org/10.1016/j.scitotenv.2024.176595

Nebauer C, Prucker P, Ruedenauer FA, Kollmann J & Leonhardt SD (2024) Bumblebees under stress: Interacting effects of pesticides and heatwaves on colony development and longevity. iScience, 27, 11, 111050: https://doi.org/10.1016/j.isci.2024.111050

Siefert P, Lau H, Leutz V, Leonhardt SD, Schneider G, Klein J & Grünewald B (2024) Acetylcholine and choline in honey bee (Apis mellifera) worker brood food are seasonal and age‑dependent. Scientific Reports: https://doi.org/10.1038/s41598-024-68650-x

Berger T, Gimpel H, Stein A, Trost C, Asseng S, Bichler M, Bieling C, Birner R, Grass I, Kollmann J,  Leonhardt SD, Schurr F & Weisser W (2024) Hybrid intelligence for reconciling biodiversity and productivity in agriculture. Nature Food: https://doi.org/10.1038/s43016-024-00963-6

Leonhardt SD, Chui S-X & Kuba K (2024) The role of non-volatile chemicals of floral rewards in plant-pollinator interactions (review). Basic and Applied Ecology: https://doi.org/10.1016/j.baae.2024.01.002

Klaus F, Ayasse M, Classen A, Dauber J, Diekötter T, Everaars M, Fornoff F, Greil H, Hendriksma HP, Jütte T, Klein AM, Krahner A, Leonhardt SD, Lüken DJ, Paxton RJ, Schmid-Egger C, Steffan-Dewenter I, Thiele J, Tscharntke T, Erler S & Pistorius J (2024) Improving wild bee monitoring, sampling methods, and conservation. Basic and Applied Ecology: https://doi.org/10.1016/j.baae.2024.01.003

2023

Wayo K, Leonhardt SD, Chuttong B, Chelong I & Bumrungsri S (2023). Landscape composition influences colony growth in the tropical asian stingless bees (Tetragonula fuscobalteata). Journal of Insect Conservation: https://doi.org/10.1007/s10841-023-00527-2

Ruedenauer FA, Parreño MA, Grunwald Kadow IC, Spaethe J & Leonhardt SD (2023). The ecology of nutrient sensation and perception in insects. Trends in Ecology and Evolution: https://doi.org/10.1016/j.tree.2023.05.006

Russo L, Ruedenauer FA, Gronert A, Van de Vreken I, Vanderplanck M, Michez D, Klein A-M, Leonhardt SD & Stout JC (2023). Fertilizer and herbicide alter nectar and pollen quality with consequences for pollinator floral choices. PeerJ 11: e15452 https://doi.org/10.7717/peerj.15452

Villagómez GN, Brachvogel RC, Kárpáti Z, Leonhardt SD, Schmitt T & Ruedenauer FA (2023). A common protocol for reliable comparison of pollen fatty acid profiles: highlighting pitfalls and proposing a methodology for ecological research. Frontiers in Ecology and Evolution 11: 1141832. https://doi.org/10.3389/fevo.2023.1141832

Nebauer CA, Schleifer MC, Ruedenauer FA, Leonhardt SD & Spaethe J (2023). Perception, regulation, and fitness effects of pollen phytosterols in the bumble bee, Bombus terrestris. American Journal of Botany e16165. https://doi.org/10.3389/fevo.2021.684175

Eschlwech F, Ruedenauer FA, Leonhardt SD, Minceva M & Luca SV (2023). Liquid-liquid chromatography separation of hemp terpenes with repellent properties against Hyalomma marginatum: A multi-methodological approach. Industrial Crops and Products 197: 116562. https://doi.org/10.1016/j.indcrop.2023.116562

2022

Keller A, Ankenbrand MJ, Bruelheide H, Dekeyzer S, Enquist BJ, Erfanian MB, Falster DS, Gallagher RV, Hammock J, Kattge J, Leonhardt SD, Madin JS, Maitner B, Neyret M, Onstein RE, Pearse WD, Poelen JH, Salguero-Gomez R, Schneider FD, Tóth AB & Penone C (2022). Ten (mostly) simple rules to future-proof trait data in ecological and evolutionary sciences. Methods in Ecology and Evolution 00: 1– 15. https://doi.org/10.1111/2041-210X.14033

Chui S-X, Wahab RBHA & Leonhardt SD (2022) Stingless bee (Apidae: Meliponini) foraging and predation at trunk resin sources: Rare observations captured with microcontroller-based camera traps in a lowland dipterocarp forest. Insectes Sociaux https://doi.org/10.1007/s00040-022-00889-x

Ollerton J, Trunschke J, Havens K, Landaverde-González P, Keller A, Gilpin A-M, Rodrigo Rech A, Baronio GJ, Phillips BJ, Mackin C, Stanley DA, Treanore E, Baker E, Rotheray EL, Erickson E, Fornoff F, Brearley FQ, Ballantyne G, Iossa G, Stone GN, Bartomeus I, Stockan JA, Leguizamón J, Prendergast K, Rowley L, Giovanetti M, de Oliveira Bueno R, Wesselingh RA, Mallinger R, Edmondson S, Howard SR, Leonhardt SD, Rojas-Nossa SV, Brett M, Joaqui T, Antoniazzi R, Burton VJ, Feng H-H, Tian Z-X, Xu Q, Zhang C, Shi C-L, Huang S-Q, Cole L J, Bendifallah L, Ellis EE, Hegland SJ, Straffon Díaz S, Lander TA, Mayr, AV, Dawson, R, Eeraerts, M, Armbruster, WS, Walton, B, Adjlane, N, Falk, S, Mata, L, Goncalves Geiger A, Carvell C, Wallace C, Ratto, F, Barberis M, Kahane F, Connop S, Stip A, Sigrist MR, Vereecken NJ, Klein A-M, Baldock K & Arnold SEJ (2022) Pollinator-flower interactions in gardens during the COVID-19 pandemic lockdown of 2020. Journal of Pollination Ecology 31: 87-96. https://doi.org/10.26786/1920-7603(2022)695

Leonhardt SD (2022) Bestäuber im Sinkflug. In: Gottfried, E. (eds) Landwirtschaft - Wege aus der Krise. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-64960-2_11 

Peters B, Keller A & Leonhardt SD (2022) Diets maintained in a changing world: Does land-use intensification alter wild bee communities by selecting for flexible generalists? Ecology & Evolution 12: e8919. https://doi.org/10.1002/ece3.8919

Leonhardt SD, Peters B & Keller A (2022) Do amino and fatty acid profiles of pollen provisions correlate with bee gut and pollen microbiomes in the mason bee Osmia bicornis? Philosophical Transactions of the Royal Society B 377: 20210171 https://doi.org/10.1098/rstb.2021.0171.

Wayo K, Leonhardt SD, Sritongchuay T & Bumrungsri S (2022) Homing ability in a tropical Asian stingless bee is influenced by interaction between release distances and urbanization. Ecological Entomology 47( 4): 536– 543.

2021

Parreño MA, Alaux C, Brunet J-L, Buydens L, Filipiak M, Henry M, Keller A, Klein A-M, Kuhlmann M, Leroy C, Meeus I, Palmer-Young E, Piot N, Requier F, Ruedenauer F, Smagghe G, Stevenson PC & Leonhardt SD (2021) Critical links between biodiversity and health in wild bee conservation. Trends in Ecology & Evolution https://doi.org/10.1016/j.tree.2021.11.013.

Chui S-X, Keller A & Leonhardt SD (2021) Functional resin use in solitary bees. Ecological Entomology doi.org/10.1111/een.13103.

Venjakob C, Ruedenauer FA, Klein AM & Leonhardt SD (2021) Variation in nectar quality across 34 grassland plant species. Plant Biology doi.org/10.1111/plb.13343.

Ruedenauer FA, Biewer NW, Nebauer CA, Scheiner M, Spaethe J & Leonhardt SD (2021) Honey bees can taste amino and fatty acids in pollen, but not sterols. Frontiers in Ecology and Evolution https://doi.org/10.3389/fevo.2021.684175.

Wilson RS, Keller A, Shapcott A, Leonhardt SD, Sickel W, Hardwick JL, Heard TA, Kaluza BF & Wallace HM (2021) Many small rather than few large sources identified in long-term bee pollen diets in agroecosystems. Agriculture, Ecosystems & Environment 310: 107296.

Elliott B, Wilson RS, Shapcott A, Keller A, Newis R, Cannizzaro C, Burwell CJ, Smith TJ, Leonhardt SD, Kämper W & Wallace HM (2021) Pollen diets and niche overlap of honey bees and native bees in protected areas. Basic and Applied Ecology 50: 169-180.

van der Kooi CJ, Vallejo-Marín M & Leonhardt SD (2021) Mutualisms and (a)symmetry in plant-pollinator interactions. Current Biology 31: R91-99: https://doi.org/10.1016/j.cub.2020.11.020

2020

Wilson RS, Leonhardt SD, Burwell CJ, Fuller C, Smith TJ, Kaluza BF & Wallace HM (2020) Landscape simplification modifies trap-nesting bee and wasp communities in the subtropics. Insects 11: 853.

Keller A, McFrederick Q, Dharampal P, Steffan S, Danforth B & Leonhardt SD (2020) (More than) Hitchhikers through the network: The shared microbiome of bees and flowers. Current Opinion in Insect Science doi.org/10.1016/j.cois.2020.09.007.

Alberoni D, Alix A, Dicks L, Dietzsch AC, Krahner A, Kroder S, Leonhardt SD, Mommaerts V, Mukherjee N, Pettis J, Simon Delso N, Sançana A, Vanbergen AJ, Vasileiadis VP, van der Kooi CJ, Villa S, Whitehorn PR, Wood T & Woodcock B (2020). What do we currently know about the impacts of pesticide and fertiliser use in farmland on the effectiveness of adjacent pollinator conservation measures such as flower strips and hedgerows, and what additional research is needed? Report prepared by an EKLIPSE Expert Working Group. UK Centre for Ecology & Hydrology, Wallingford, United Kingdom: https://www.eklipse-mechanism.eu/documents/13905/57407/EKLIPSE_PollinatorsReport_OnLineVersion.pdf/9f4672eb-f082-4be4-9731-2798636912ccLink to policy brief (pdf).

Seitz N, vanEngelsdorp D & Leonhardt SD (2020) Are native and non-native pollinator friendly plants equally valuable for native wild bee communities? Ecology and Evolution 10: 12838– 12850. doi.org/10.1002/ece3.6826. Featured in National Geographic: https://www.nationalgeographic.de/tiere/2020/11/insektensterben-exotische-snacks-helfen-bienen. and: https://www.popsci.com/environment/city-gardens-bees/?fbclid=IwAR1sMi3tp_BKe1s242oE2zqgy5wdHhOUl7kNKH8w-SIu8n0idMhc3pVKWwQ

Leonhardt SD, Lihoreau M & Spaethe J (2020) Mechanisms of nutritional resource exploitation by insects. Insects 11: 570. Editorial to Special Issue: https://www.mdpi.com/journal/insects/special_issues/Nutr_Res_Insects

Ruedenauer FA, Sydow D, Spaethe J & Leonhardt SD (2020) Young bumblebees may rely on both direct pollen cues and early experience when foraging. Proceedings of the Royal Society B 287: 20201615.

Grund-Mueller N, Ruedenauer FA, Spaethe J & Leonhardt SD (2020) Adding amino acids to a sucrose diet is not sufficient to support longevity of adult bumblebees. Insects 11: 247.

Trinkl M, Kaluza BF, Wallace HM, Heard TA, Keller A & Leonhardt SD (2020) Floral species richness correlates with changes in the nutritional quality of larval diets in a stingless bee. Insects 11: 125.

Venjakob C, Leonhardt SD & Klein AM (2020) Inter-individual nectar chemistry changes of field scabious, Knautia arvensis. Insects: 11, 75.

Requier F & Leonhardt SD (2020) Beyond flowers: including non-floral resources in bee conservation schemes. Journal of Insect Conservation doi.org/10.1007/s10841-019-00206-1.

Ruedenauer FA, Raubenheimer D, Kessner-Beierlein D, Grund-Mueller N, Noack L, Spaethe J, & Leonhardt SD (2020) Best be(e) on low fat: linking nutrient perception, regulation and fitness. Ecology Letters 23: 545-554. doi:10.1111/ele.13454. 

Press release: https://www.tum.de/nc/en/about-tum/news/press-releases/details/35888-1/. 

Radio coverage: https://www.br.de/radio/bayern2/sendungen/iq-wissenschaft-und-forschung/covid-mars-erdhummel-100.html

2019

Ruedenauer FA, Spaethe J, van der Kooi C & Leonhardt SD (2019) Pollinator or pedrigee: which factors determine the evolution of pollen nutrients? Oecologia 191: 349-358.

Ruedenauer FA, Leonhardt SD, Lunau K & Spaethe J (2019) Bumblebees are able to perceive amino acids via chemotactile antennal stimulation. Journal of Comparative Physiology A 205: 321-331.

Kämper W, Kaluza BF, Wallace HM, Schmitt T & Leonhardt SD (2019) Habitats shape the cuticular chemical profiles of stingless bees. Chemoecology 29: 125-133.

Seitz N, vanEngelsdorp D & Leonhardt SD (2019) Conserving bees in destroyed landscapes: The potentials of reclaimed sand mines. Global Ecology and Conservation 19: e00642.

Drescher N, Klein AM, Schmitt T & Leonhardt SD (2019) A clue on bee glue: new insight into the sources and factors driving resin intake in honeybees (Apis mellifera). Plos One 14(2): e0210594.

2018

Pufal G, Memmert J, Leonhardt SD & Minden V (2018) Negative bottom-up effects of sulfadiazine, but not penicillin and tetracycline, in soil subtitute on plants and higher trophic levels. Environmental Pollution 245: 531-544.

Ruedenauer FA, Spaethe J & Leonhardt SD (2018) Do honeybees (Apis mellifera) differentiate between different pollen types? Plos One 13(11): e0205821.

Kaluza BF, Wallace HM, Heard TA, Minden V, Klein AM & Leonhardt SD (2018) Social bees are fitter in more biodiverse environments. Scientific Reports 8: 12353. Press release: https://www.uni-wuerzburg.de/aktuelles/pressemitteilungen/single/news/bienen-brauchen-es-bunt/

Minden V, Schnetger B, Pufal G & Leonhardt SD (2018) Antibiotic-induced effects on scaling relationships and on plant element contents in herbs and grasses. Ecology and Evolution 8(13): 6699-6713.

2017

Leonhardt SD (2017) Chemical ecology of stingless bees. Journal of Chemical Ecology 43(4): 385-402.

Kaluza BF, Wallace H, Keller A, Heard TA, Jeffers B, Drescher N, Blüthgen N & Leonhardt SD (2017) Generalist social bees maximize resource diversity intake in plant species rich and resource abundant environments. Ecosphere 8(3): e01758.

Minden V, Deloy A, Volkert AM, Leonhardt SD & Pufal G (2017) Antibiotics impact plant traits, even at small concentrations. AoB PLANTS 9(2): plx010.

Ruedenauer FA, Leonhardt SD, Schmalz F, Rössler W & Strube-Bloss MF (2017) Separation of different pollen types by chemotactile sensing in Bombus terrestris. Journal of Experimental Biology 220: 1435-1442.

Junker RR, Kuppler J, Amo L, Blande JD, Borges RM, van Dam NM, Dicke M, Dötterl S, Ehlers B, Etl F, Gershenzon J, Glinwood R, Gols R, Groot AT, Heil M, Hoffmeister M, Holopainen JK, Jarau S, John L, Kessler A, Knudsen JT, Kost C, Larue-Kontic AAC, Leonhardt SD, Lucas-Barbosa D, Majetic CJ, Menzel F, Parachnowitsch AL, Pasquet RS, Poelman EH, Raguso RA, Ruther J, Schiestl FP, Schmitt T, Tholl D, Unsicker SB, Verhulst N, Visser ME, Weldegergis BT & Köllner TG (2017) Co-variation and phenotypic integration in chemical communication displays: biosynthetic constraints and eco-evolutionary implications. New Phytologist DOI:10.1111/nph.14505.

Drescher N, Klein AM, Neumann P, Yanez O & Leonhardt SD (2017) Inside honeybee hives: Impact of natural propolis on the ectoparasitic mite Varroa destructor and associated viruses. Insects 8(15): DOI:10.3390/insects8010015.

2016

Leonhardt SD, Kaluza BF, Wallace H & Heard TA (2016) Resources or landmarks: which factors drive homing success in Tetragonula carbonaria foraging in natural and disturbed landscapes? Journal of Comparative Physiology A 202(9): 701-708.

Kriesell L, Hilpert A & Leonhardt SD (2016) Different but the same: bumblebee species collect pollen of different plant sources but similar amino acid profiles. Apidologie 48(1): 102-116.

Kämper W, Werner PK, Hilpert A, Westphal C, Blüthgen N, Eltz T & Leonhardt SD (2016) How landscape, pollen intake and pollen quality affect colony growth in Bombus terrestris. Landscape Ecology 31(10): 2245-2258.

Ruedenauer FA, Spaethe J & Leonhardt SD (2016) Individual bumblebees forage flexibly to collect high quality pollen. Behavioral Ecology and Sociobiology 70(8): 1209-1217.

Leonhardt SD, Menzel F, Nehring V & Schmitt T (2016) Ecology and evolution of communication in social insects (Review article). CELL 164(6): 1277-1287.

Kaluza BF, Wallace HM, Heard TA, Klein AM & Leonhardt SD (2016) Urban gardens promote bee foraging over natural habitats and plantations. Ecology and Evolution 6(5): 1304-1316.

2015

Wallace HM & Leonhardt SD (2015) Do hybrid trees inherit invasive characteristics? Fruits of Corymbia torelliana X C. citridorahybrids and potential for seed dispersal bees. Plos One 10(9): e0138868.

Ruedenauer FA, Spaethe J & Leonhardt SD (2015) How to know which food is good for you: bumblebees use taste to discriminate between different concentrations of food differing in nutrient content. Journal of Experimental Biology 218: 2233-2240. Inside article: jeb.biologists.org/content/218/14/2144.full

Hülsmann M, von Wehrden H, Klein AM & Leonhardt SD (2015) Plant