Skip to content →

SADD LAB Publications

GoogleScholar citations of Ben Sadd

If you would like more information on any of the publications, please email. ​​​​​​​​

Peer reviewed journal publications

2024

Burns-Dunn, S, House, CM, Duffield, KR, Foquet, B, Sadd, BM, Sakaluk, SK & Hunt, J (2024) Sexually antagonistic coevolution of the male nuptial gift and female feeding behaviour in decorated crickets. Proceedings of the Royal Society B: Biological Sciences, 291, 20240804 pdf

McKermitt, JT, Foquet, B, Kuna, W, Hunt, J, Sadd, BM & Sakaluk, SK (2024) Experimental evolution under varying sex ratio and behavioral plasticity in response to perceived competitive environment independently affect calling effort in male crickets. Evolution, 78, 453-462 pdf

Tobin, KB, Mandes, R, Martinez, A & Sadd, BM (2024) A simulated natural heatwave perturbs bumble bee immunity and resistance to infection. Journal of Animal Ecology, 93, 171-182 pdf

2023

Martinez, A, Calhoun, AC & Sadd, BM (2023) Investigating the influence of diet diversity on infection outcomes in a bumble bee (Bombus impatiens) and microsporidian (Nosema bombi) host-pathogen system. Frontiers in Insect Science, 3, 1207058 pdf

*Li, J, *Sauers, L, *Zhuang, D, Ren, H, Guo, J, Wang, L, Zhuang, M, Guo, Y, Zhang, Z, Wu, J, Yao, J, Yang, H, Huang, J, Wang, C, Lin, Q, Zhang, Z & Sadd, BM (2023) Divergence and convergence of gut microbiomes of wild insect pollinators. mBio, 14, e01270-23 (*Joint first authors) pdf

Rubén Martín-Blázquez, R, Calhoun,AC, Sadd,BM, & Cameron, SA (2023) Gene expression in bumble bee larvae differs qualitatively between high and low concentration imidacloprid exposure levels. Scientific Reports, 13, 9415 pdf

McCormick, EC, Cohen, OR, Dolezal, AG, & Sadd, BM (2023) Consequences of microsporidian prior exposure for virus infection outcomes and bumble bee host health. Oecologia, 202, 325-335 pdf

Rines, IG, Harrod, AE, Hunt, J, Sadd, BM, & Sakaluk, SK (2023) Disentangling effects of mating, nuptial gifts, and accessory gland proteins on reproduction in female crickets. Animal Behaviour, 196, 1-7 pdf

Foquet, B, Rapkin, J, Sharma, M, Sadd, BM, Sakaluk, S, & Hunt, J (2023) Transcriptomic responses of females to consumption of nuptial food gifts as a potential mediator of sexual conflict in decorated crickets. Journal of Evolutionary Biology, 36, 183-194 pdf

Goldberg, DL, Sadd, BM, & Capparella, AP (2023) A rallid ballad: communal signaling is correlated with annual territoriality in the most duet-rich family of birds (Gruiformes: Rallidae). Ornithology, 140, ukac054 pdf

Strange, JP, Colla, SR, Adams, LD, Duennes, MA, Evans, EC, Figueroa, LL, Lehmann, DM, Moylett, H, Richardson, L, Sadd, BM, Smith, JW, Smith, TA, Tripodi, AD, Spevak, EM & Inouye, DW(2023) An evidence-based rationale for a North American commercial bumble bee clean stock certification program. Journal of Pollination Ecology, 32, 1-13 pdf

*Figueroa, LL, *Sadd, BM, *Tripodi, AD,Strange, JP, Colla, SR, Adams, LD, Duennes, MA, Evans, EC, Lehmann, DM, Moylett, H, Richardson, L, Smith, JW, Smith, TA, Spevak, EM & Inouye, DW(2023) Endosymbionts that threaten commercially raised and wild bumble bees (Bombus spp.). Journal of Pollination Ecology, 32, 14-36. (*Joint first authors) pdf

Evans, EC, Strange, JP, Sadd, BM, Tripodi, AD, Figueroa, LL, Adams, LD, Colla, SR, Duennes, MA, Lehmann, DM, Moylett, H, Richardson, L, Smith, JW, Smith, TA, Spevak, EM & Inouye, DW(2023) Ectoparasites, parasitoids, and hive products that are potentially deleterious to commercially raised and wild bumble bees (Bombus spp.). Journal of Pollination Ecology, 32, 37-53 pdf

2022

Duffield KR, Foquet, B, Stasko, JA, Hunt, J, Sadd, BM, Sakaluk, SK, & Ramirez, JL (2022) Induction of multiple immune signaling pathways in Gryllodes sigillatus crickets during active viral infections. Viruses, 14, 2712 pdf

Strange, JP, Colla, SR, Duennes, M, Evans, E, Figueroa, LL, Inouye, DW, Lehmann, DM, Moylett, H, Richardson, L, Sadd, BM, Smith, JW, Tripodi, AD, Adams, LD (2022). Developing a Commercial Bumble Bee Clean Stock Certification Program: A white paper of the North American Pollinator Protection Campaign Bombus Task Force. North American Pollinator Protection Campaign (NAPPC). https://www.pollinator.org/nappc/imperiled-bombus-conservation

Letendre, C, Duffield, KR, Sadd, BM, Sakaluk, SK, House, C & Hunt, J (2022) Genetic covariance in immune measures and pathogen resistance in decorated crickets Gryllodes sigillatus. Journal of Animal Ecology, 91, 1471-1488 pdf

Fowler, AE, Sadd, BM, Bassingthwaite, T, Irwin, RE & Adler, LS (2022) Consuming sunflower pollen reduced pathogen infection but did not alter measures of immunity in bumble bees. Philosophical Transactions of the Royal Society B: Biological Sciences, 377, 20210160 pdf

2021

Duffield, KR, Hunt, J, Sadd, BM, Sakaluk, SK, Oppert, B, Rosario-Cora, K, Behle, R & Ramirez, JL (2021) Active and covert infections of cricket iridovirus and Acheta domesticus densovirus in reared Gryllodes sigillatus crickets. Frontiers in Microbiology, 12, 780796 pdf

Calhoun, AC, Harrod, AE, Bassingthwaite, TA & Sadd, BM (2021) Testing the multiple stressor hypothesis: Chlorothalonil exposure alters transmission potential of a bumblebee pathogen but not individual host health. Proceedings of the Royal Society B: Biological Sciences, 288, 20202922 pdf

Hampton, KJ, Duffield, KR, Hunt, J, Sakaluk, SK & Sadd, BM (2021) Male and female genotype and a genotype-by-genotype interaction mediate the effects of mating on cellular but not humoral immunity in female decorated crickets. Heredity, 126, 477-490 pdf

Sun, C, Huang, J, Wang, Y, …, Sadd, BM, Hahn, M, Schaack, S, Barribeau, SM, Williams, PH, Waterhouse, RM, Mueller, RL (2021) Genus-wide characterization of bumblebee genomes provides insights into their evolution and variation in ecological and behavioral traits. Molecular Biology and Evolution, 38, 486-501 pdf

2020

Duffield, KR, Hampton, KJ, Houslay, TM, Rapkin, J, Hunt, J, Sadd, BM & Sakaluk, SK (2020) Macronutrient intake and simulated infection threat independently affect life history traits of male decorated crickets. Ecology and Evolution. 10, 11766-11778 pdf​​​

Cameron, SA & Sadd, BM (2020) Global trends in bumble bee health. Annual Review of Entomology​, 65, 209-232 pdf​​​

2019

Wang, L, Wu, J, Li, K, Sadd, BM, Guo, Y, Zhuang, DH, Chen, YP, Evans, J, Guo, J, Zhang, Z & Li, J (2019) Dynamic changes of gut microbial communities of bumble bee queens through important life stages. mSystems, 4, e00631-19 pdf​​​

Sauers, LA and Sadd, BM (2019) An interaction between host and microbe genotypes determines colonization success of a key bumble bee gut microbiota member. Evolution, 73, 2333-2342 pdf​​​​

Ashford, MA, Palackdharry, SA, Sadd, BM, Bowden, RM & Vogel, LA (2019) Intestinal B cells in the red-eared slider turtle, Trachemys scripta: anatomical distribution and implications for ecological interactions with pathogenic microbes. Journal of Experimental Zoology A, 331, 407-415 pdf​​​

Sakaluk, SK, Oldzej, J, Hodges, C, Harper, J, Rines, I, Hampton, KJ, Duffield, KR, Hunt, J & Sadd, BM (2019) Effects of inbreeding on life history traits and sexual competency in decorated crickets. Animal Behaviour, 155, 241-248 pdf​​​

​​Tobin, KB, Calhoun, AC, Hallahan, MF, Martinez, A & Sadd, BM (2019) Infection outcomes are robust to thermal variability in a bumble bee host-parasite system. Integrative and Comparative Biology, 59, 1103-1113 pdf​​​

Duffield, KR, Hampton, KJ, Houslay, TM, Hunt, J, Sadd, BM & Sakaluk, SK (2019) Inbreeding alters context-dependent reproductive effort and immunity in male crickets. Journal of Evolutionary Biology, 32, 731-741 pdf

Sakaluk, SK, Duffield, KR, Rapkin, J, Sadd, BM & Hunt, J (2019) The troublesome gift: the spermatophylax as a purveyor of sexual conflict and coercion in crickets. Advances in the Study of Behavior, 51, 1-30 pdf​​

2018

Zhao, X, Su, L, Schaack, S, Sadd, BM & Sun, C. (2018) Tandem repeats contribute to coding sequence variation in bumblebees (Hymenoptera: Apidae). Genome Biology and Evolution, 10, 3176-3187 pdf​​​

Roth, O, Beemelmanns, A, Barribeau, SM & Sadd, BM (2018) Recent advances in vertebrate and invertebrate trans-generational immunity in the light of ecology and evolution. Heredity, 121, 225-238 pdf​

Rothchild, K, Adler, LS, Irwin, RE, Sadd, BM, Stevenson, PC, Palmer Young, EC (2018) Effects of short-term exposure to naturally occurring thymol concentrations on transmission of a bumble bee parasite. Ecological Entomology, 43, 567-577 pdf​

Duffield,KR, Hampton, KJ, Houslay,TM,Hunt, J, Rapkin, J, Sakaluk, SK & Sadd, BM (2018) Age-dependent variation in the terminal investment threshold in male crickets. Evolution, 72, 578-589 pdf​​

Palmer-Young, EC, Calhoun, A, Mirzayeva, A & Sadd, BM (2018) Effects of the floral phytochemical eugenol on parasite evolution and bumble bee infection and preference. Scientific Reports, 8, 2074 pdf​ 

Carter, A, Sadd, BM, Tuberville, T, Paitz, R & Bowden, RM (2018) Short heatwaves during fluctuating incubation regimes produce females under temperature-dependent sex determination with implications for sex ratios in nature. Scientific Reports, 8, 3 pdf​​

2017

Duffield, KR, Bowers, EK, Sakaluk, S & Sadd, BM (2017) A dynamic threshold model for terminal investment. Behavioral Ecology and Sociobiology, 71, 185 pdf​

Czerwinski, MA & Sadd, BM (2017) Det​rimental interactions of neonicotinoid pesticide exposure and bumblebee immunity. Journal of Experimental Zoology A, 327, 273-283 pdf​

Fauser, A, Sandrock, C, Neumann, P & Sadd, BM (2017) Neonicotinoids override a parasite exposure impact on hibernation success of a key bumblebee pollinator. Ecological Entomology, 42, 306-314 pdf​

Palmer-Young, EC, Sadd, BM, Irwin, RE & Adler, LS (2017) Synergistic effects of floral phytochemicals against a bumble bee parasite. Ecology and Evolution, 7, 1836-1849 pdf​

Palackdharry, S, Sadd, BM, Vogel, LA & Bowden, RM (2017) The effect of environmental temperature on reptilian peripheral blood B cell functions. Hormones and Behavior, 88, 87-94 pdf​

Palmer‐Young, EC, Sadd, BM & Adler, LS (2017) Evolution of resistance to single and combined floral phytochemicals by a bumble bee parasite. Journal of Evolutionary Biology, 30, 300-312 pdf​​

2016

Palmer-Young, EC, Sadd, BM, Stevenson, PC, Irwin, RE & Adler, LS (2016) Bumble bee parasite strains vary in resistance to phytochemicals. Scientific Reports, 6, 37087 pdf​

​Barribeau, SM, Schmid-Hempel, P & Sadd, BM (2016) Royal decree: gene expression in trans-generationally immune primed bumblebee workers mimics a primary immune response. PLoS ONE, 11, e0159635 pdf

Engel, P, Kwong, W, McFrederick, Q, Anderson, KE, Barribeau, S, Chandler, JA, Cornman, S, Dainat, J, de Miranda, J, Doublet, V, Emery, O, Evans, J, Farinelli, L, Flenniken, M, Granberg, F, Grasis, J, Gauthier, L, Hayer, J, Koch, H, Kocher, S, Martinson, V, Moran, N, Munoz-Torres, M, Newton, I, Paxton, R, P​owell, J, Sadd, BM, Schmid‐Hempel, P, Schmid‐Hempel, R, Song, SJ, Schwarz, R, van Engelsdorp, D & Dainat, B (2016) The bee microbiome: impact on bee health and model for evolution and ecology of host-microbe interactions. mBio, 7, e02164-15 pdf

2015 ​

​Duffield, KR, Hun​t, J, Rapkin, J, Sadd, BM & Sakaluk, SK (2015) Terminal investment in the gustatory appeal of nuptial food gifts in crickets. Journal of Evolutionary Biology, 28, 1872-1881 pdf

Sadd, BM, Barribeau SM, Bloch G, de Graaf DC, Dearden P, Elsik CG, et al. (2015) The genomes of two key bumblebee species with primitive eusocial organization. Genome Biology, 16, 76 pdf

Barribeau, SM, Sadd, BM, du Plessis, L, Brown, MJF, Buechel, SD, Cappelle, K, et al. (2015) A depauperate immune repe​rtoire precedes evolution of sociality in bees. Genome Biology​, 16, 83 pdf

Rahnamaei​an, M, Cytrynska, M, Zdybicka-Barabas, A, Dobslaff, K, Wiesner, J, Twyman, R, Züchner, T, Sadd, BM, Regoes, R, Schmid-Hempel, P & Vilcinskas, A (2015) Insect antimicrobial peptides show potentiating functional interactions against Gram-negative bacteria. Proceedings of the Royal Society B: Biological Sciences, 282, 201550293 pdf​

2014

Barribeau, SM, Sadd, BM, du Plessis, L & Schmid-Hempel, P (2014) Gene expression differences underlying genotype-by-genotype specificity in a host-parasite system. Proceedings of the National Academy of Sciences USA, 111, 3496-3501 pdf

*Fauser-Misslin, A, *Sadd, BM, Neumann, P & Sandrock, C (2014) Influence of combined pesticide and parasite exposure on bumblebee colony traits in the laboratory. Journal of Applied Ecology, 51, 450-459 pdf

*Joint first authors 

2013

Sadd BM & Barribeau SM (2013) Heterogeneity in infection outcome: lessons from a bumblebee-trypanosome system. Parasite Immunology, 35, 339-349 pdf

Antonovics, J, Boots, M, Ebert, D, Koskella, B, Poss, M & Sadd, BM (2013) The origin of specificity by means of natural selection: evolved and non-host resistance in host-pathogen interactions. Evolution, 67, 1-9 pdf

2012

Li, J, Qin, H, Wu, J, Sadd, BM, Wang, X, Evans, JD, Peng, W & Chen, Y (2012) The prevalence of parasites and pathogens in Asian honeybees Apis cerana in China. PLoS ONE, 7, e47955​ pdf

Greco, MK & Sadd, BM (2012). Using diagnostic radioentomology for non-invasive observations of colonies of the bumblebee,Bombus terrestrisJournal of Insect Science, 12, Article 85 pdf

Cisarovsky, G, Schmid-Hempel, P & Sadd, BM (2012) Robustness of the outcome of adult bumblebee infection with a trypanosome parasite after varied parasite exposures during larval development. Journal of Evolutionary Biology, 25, 1053-1059 pdf

2011 

Sadd, BM (2011) Food-environment mediates specific interactions between a bumblebee and its trypanosome parasite. Evolution, 65, 2995-3001 pdf

Ulrich, Y, Sadd, BM & Schmid-Hempel, P (2011) Strain filtering and transmission of a mixed infection in a social insect. Journal of Evolutionary Biology, 24, 354-362 pdf

2010 

Sadd BM et al (2010) Analysis of a normalised expressed sequence tag (EST) library from a key pollinator, the bumblebee Bombus terrestrisBMC Genomics, 11, 110 pdf

Schluns H, Sadd BM, Schmid-Hempel P & Crozier RH (2010) Infection with the trypanosome Crithidia bombi and expression of immune-related genes in the bumblebee Bombus terrestrisDevelopmental and Comparative Immunology, 34, 705-709 pdf

2009

Sadd BM & Schmid-Hempel P (2009) Principles of Ecological Immunology. Evolutionary Applications, 2, 113-121 pdf

Sadd BM & Schmid-Hempel P (2009) A distinct infection cost associated with trans-generational priming of antibacterial immunity in bumblebees. Biology Letters, 5, 798-801 pdf

2008

Roth O, Sadd BM, Schmid-Hempel P & Kurtz J (2008) Strain-specific priming of resistance in the red flour beetle, Tribolium castaneum. Proceedings of the Royal Society B: Biological Sciences. 276, 145-151 pdf

Little TJ, Colegrave N, Sadd BM & Schmid-Hempel P (2008) Studying immunity at the whole organism level. BioEssays, 30, 404-405 pdf

Sadd BM (2008) Parental guidance? Trans-generational influences on offspring life-history in mosquitoes. Trends in Parasitology, 24,197-199 pdf​​

2007

Sadd BM & Schmid-Hempel P (2007) Facultative but persistent trans-generational immunity via the mother’s eggs in bumblebees. Current Biology, 17, R1046-1047 pdf

2006

Sadd BM & Siva-Jothy MT (2006) Self-harm caused by an insect’s innate immunity. Proceedings of the Royal Society B: Biological Sciences, 273, 2571-2574 pdf

Sadd BM & Schmid-Hempel P (2006) Insect immunity shows specificity in protection on secondary pathogen exposure. Current Biology, 16, 1206-1210 pdf

Sadd BM et al. (2006) Modulation of sexual signaling by immune challenged male mealworm beetles (Tenebrio molitor, L.): evidence for terminal investment and dishonesty. Journal of Evolutionary Biology, 19, 321-325 pdf

2005

Sadd BM et al. (2005) Trans-generational immune priming in a social insect. Biology Letters, 1, 386-388 pdf

Book chapters (peer reviewed)

Sadd BM & Schmid-Hempel P (2009) Ecological and evolutionary implications of specific immune responses. In Rolff, J & Reynolds, S (Eds.). Insect infection and immunity: evolution, ecology and mechanisms. Oxford University Press. Book information