Skip Ribbon Commands Skip to main content
Ben Sadd
Ben Sadd
Jump over the College navigation bar.

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


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. 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. 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​


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​

PalmerYoung, 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​​


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, SchmidHempel, P, SchmidHempel, 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. (2015A depauperate immune repertoire precedes evolution of sociality in beesGenome Biology​, 16, 83pdf

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 bacteriaProceedings of the Royal Society B: Biological Sciences, 282, 201550293 pdf​


Barribeau, SM, Sadd, BM, du Plessis, L & Schmid-Hempel, P (2014) Gene expression differences underlying genotype-by-genotype specificity in a host-parasite systemProceedings 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 


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


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 ONE7, e47955​ pdf

Greco, MK & Sadd, BM (2012). Using diagnostic radioentomology for non-invasive observations of colonies of the bumblebee, Bombus terrestris. Journal 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


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


Sadd BM et al (2010) Analysis of a normalised expressed sequence tag (EST) library from a key pollinator, the bumblebee Bombus terrestris. BMC 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 terrestris. Developmental and Comparative Immunology, 34, 705-709 pdf


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


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

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


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


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


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