All Publications in Refereed Journals:
NOTE: Underlined name = student when research was conducted
71 Gorelick, R., M. Mansfield, D. Fraser, J.W. Dawson, S. Wijenayake and S.M. Bertram. 2016. Abrupt shortening of bird W chromosomes in ancestral Neognathae. Biological Journal of the Linnean Society. Accepted April 14 2016. In press.
70 Boutin, S.R.T., S.J. Harrison, L.P. Fitzsimmons, E.M. McAuley and S.M. Bertram. 2016. Same-sex sexual behaviour in crickets: Understanding the paradox. Animal Behavior. Accepted December 22 2015; Published February 25 2015; http://dx.doi.org/10.1016/j.anbehav.2016.01.022
69 Loranger, M. and S.M. Bertram. 2016. The effect of male dominance on female choice in a field cricket (Gryllus assimilis). Animal Behavior. Accepted December 22 2015; Published February 17 2016; http://dx.doi.org/10.1016/j.anbehav.2016.01.020
68 Montroy, K., M.J. Loranger, and S.M. Bertram. 2015. Male crickets adjust their aggressive behaviour when a female is present. Behavioural Processes 124:108-114 Accepted November 3 2015; Published December 17 2015; http://dx.doi.org/10.1016/j.beproc.2015.11.003
67 Kolluru, G.R.*, C. Castillo, M. Hendrickson, M. Hughes, P. Krause, K. LePiane, C. McCann, E. Pavia, C. Porter, R. Rodriguez, T. Rodriguez-Cabrera, E. Scott, M. Willrodt, S.M. Bertram*. 2015. Sexual selection in black morph Girardinus metallicus (Pisces: Poeciliidae): females can spot a winner (but we cannot). Ethology 121:12:1212-1224; doi:10.1111/eth.12434 Published November 10 2015 * these authors contributed equally and lead authorship was determined by a coin toss
66 Harrison,S.J., D. Raubenheimer, S.J. Simpson, J-G.J. Godin, and S.M. Bertram. 2014. Towards a synthesis of frameworks in nutritional ecology: interacting effects of proteins, carbohydrates and phosphorus on field cricket fitness. Proceedings of the Royal Society of London Series B 281:1792:20140539 http://dx.doi.org/10.1098/rspb.2014.0539 Published August 20 2014
65 Pacheco, K. and S.M. Bertram. 2014. How male sound pressure level influences phonotaxis in virgin female Jamaican field crickets (Gryllus assimilis). PeerJ 2:e437 https://doi.org/10.7717/peerj.437 Published June 10 2014
64 Kolluru G.R., S.M. Bertram, E.H. Chin, C.V. Dunmeyer, and J.S. Graves. 2014. Mating behaviour and its morphological correlates in two color morphs of Girardinus metallicus (Pisces: Poeciliidae), a species previously thought not to exhibit courtship display. Behavioural Processes 106:44-52 doi: 10.1016/j.beproc.2014.04.007 Published April 26 2014 * these authors contributed equally and lead authorship was determined by a coin toss
63 Thomson, I.R. C.-A. Darveau, and S.M. Bertram. 2014. Body morphology, energy stores, and muscle enzyme activity explain cricket acoustic mate attraction signalling variation. PLOS ONE 9:3:e90409 doi: 10.1371/journal.pone.0090409 Published March 7 2014
62 Thomson, I.R., and S.M. Bertram. 2014. Spring field crickets (Gryllus veletis) use two different pulse types when signaling to attract mates. Journal of Insect Behavior 27:2:217-227 doi:10.1007/s10905-013-9421-5 Published March 2014
61 Fitzsimmons, L.P., and S.M. Bertram. 2013. Playing to an audience: the social environment influences aggression and victory displays. Biology Letters 9:4: 20130449 doi:10.1098/rsbl.2013.0449 Published August 23 2013
60 Pacheco, K., J.W. Dawson, M. Jutting, and S.M. Bertram. 2013. How age influences phonotaxis in virgin female Jamaican field crickets (Gryllus assimilis). PeerJ 1:e130; doi:10.7717/peerj.130 Published August 8 2013
59 Bertram, S.M. I.R. Thomson, S.J. Harrison, G.L. Ferguson, and L.P. Fitzsimmons. 2013. Adaptive plasticity in wild field cricket’s acoustic signaling. PLOS ONE 8(7): e69247. doi:10.1371/journal.pone.0069247 Published July 23 2013
58 Bertram, S.M., and M. Katti. 2013. The social biology professor: effective strategies for social media engagement. Ideas in Ecology and Evolution 6:22-31 doi:10.4033/iee.2013.6.5.f Published June 2013
57 Fitzsimmons, L.P., and S.M. Bertram. 2013. No relationship between long-distance acoustic mate attraction signals and male fertility or female preference in spring field crickets. Behavioral Ecology and Sociobiology 67(6):885-893. doi:10.1007/s00265-013-1511-z Published June 2013
56 Harrison, S.J., I.R. Thomson, C.M. Grant, and S.M. Bertram. 2013. Calling, courtship, and condition in the fall field cricket, Gryllus pennsylvanicus. PLOS ONE 8(3):e60356. doi:10.1371/journal.pone.0060356 Published March 20 2013
55 Fitzsimmons, L.P., and S.M. Bertram. 2013. Signaling effort does not predict aggressiveness in male spring field crickets. Behavioral Ecology and Sociobiology 67(2):213-220 doi:10.1007/s00265-012-1441-1 Published February 2013
54 Bertram, S.M. and V.L.M. Rook. 2012. Relationship between condition, aggression, signaling, courtship and egg laying in the field cricket, Gryllus assimilis. Ethology 118(4):360-372 doi:10.1111/j.1439-0310.2011.02019.x Published April 2012
53 Thomson, I.R., C.M. Vincent, and S.M. Bertram. 2012. Success of the parasitoid fly Ormia ochracea (Diptera: Tachinidae) on natural and unnatural cricket hosts. Florida Entomologist 95(1):43-48 doi:10.1653/024.095.0108 Published March 2012
52 Bertram, S.M., L.P. Fitzsimmons, E.M. McAuley, H.D. Rundle, and Gorelick, R. 2012. Phenotypic covariance structure and its divergence for acoustic mate attraction signals among four cricket species. Ecology and Evolution 2(1):181-195 doi:10.1002/ece3.76 Published January 2012
51 Bertram, S.M., I.R. Thomson, B. Auguste, J.W. Dawson and C.-A. Darveau. 2011. Variation in cricket acoustic mate attraction signaling explained by body morphology and metabolic differences. Animal Behaviour 82(6):1255-1261 doi:10.1016/j.anbehav.2011.08.021 Published December 2011
50 Bertram, S.M., V.L.M. Rook, J.M. Fitzsimmons, and L.P. Fitzsimmons. 2011. Fine- and broad-scale approaches to understanding the evolution of aggression in crickets. Ethology 117(2011):1067-1080 doi: 10.1111/j.1439-0310.2011.01970.x Published November 2011
48 Bertram, S.M., J. Nelson, and L. Visanuvimol. 2011. Early identification and intervention influences the success of first-year at-risk science, mathematics and engineering students. Proceedings of the 7th Annual National Symposium on Student Retention Published November 2011
47 Fitzsimmons, L.P. and S.M. Bertram. 2011. The calling songs of male spring field crickets (Gryllus veletis) change as males age. Behavior 148(9):1045-1065 doi:org/10/1163/000579511X588812 Published November 2011
46 Gorelick, R., L.J. Derraugh, J. Carpinone, and S.M. Bertram.2011. Pre-karyogamic sexual selection: mate choice inside an egg cell. Ideas in Ecology and Evolution October 4:14-23 doi:10.4033/iee.2011.4.3.n Published October 2011
45 Visanuvimol, L. and S.M. Bertram. 2011. How dietary phosphorus availability during development influences cricket condition and life history traits of the cricket, Acheta domesticus. Journal of Insect Science 11:e63:1-17 Published May 2011
44 Klaus, S.P., L.P. Fitzsimmons, T.E. Pitcher, and S.M. Bertram. 2011. Song and sperm in crickets: A trade-off between pre- and post-copulatory traits or phenotype-linked fertility? Ethology 117(2):154-162 Published February 2011
43 Whattam, E.M., and S.M. Bertram. 2011. Effects of juvenile and adult condition on long-distance call components in the Jamaican field cricket Gryllus assimilis. Animal Behaviour January 81(1):135-144 Published January 2011
38 Vincent, C.M., and S.M. Bertram. 2010. Reproductive compensation: a review of the Gryllus spp. – Ormia ochracea host-parasitoid system. Journal of Insect Behaviour 23(5):340-347. Published September 2010.
40 Wilson, A.D.M., E.M. Whattam, R. Bennett, L. Visanuvimol, C. Lauzon, and S.M. Bertram. 2010. Behavioral correlations across activity, mating, exploration, aggression, and antipredator contexts in the European house cricket. Behavioural Ecology and Sociobiology 64(5):703-715 DOI 10.1007/s00265-009-0888-1 Published December 19 2009
32 Holbrook, C.T., R.M. Clark, R. Jeanson, S.M. Bertram, P.F. Kukuk, and J.H. Fewell.. Emergence and consequences of division of labor in associations of the solitary sweat bee Lasioglossum (Ctenonomia) NDA-1 (Hymenoptera: Halictidae). Ethology 115(4):301-310.
31 Gorelick, R., S.M. Bertram. 2009. Swimming eastern chipmunks (Tamias striatus) and hairy-tailed mole (Parascalops breweri) in Kawartha Highlands Provincial Park, Ontario. Canadian Field Naturalist 122(1):73-75.
30 Jeanson, R., R.M. Clark, C.T. Holbrook, S.M. Bertram, J.H. Fewell, P.F. Kukuk. 2008. Division of labour and socially-induced changes in response thresholds in associations of solitary halictine bees. Animal Behaviour 76:593-602.
29 Bertram, S.M., M. Bowen, M. Kyle, and J. Schade. Extensive natural intraspecific variation in stoichiometric (C:N:P) composition in two terrestrial insect species. Journal of Insect Science 8(26):1-7.
28 Bertram, S.M., D.J. Kemp, J.S. Johnson, S.X. Orozco, and R. Gorelick. 2007. Heritability of acoustic signalling time in the Texas field cricket, Gryllus texensis. Evolutionary Ecology Research 9(6):975-986.
25 Gorelick, R. and S.M. Bertram. 2007. Quantifying division of labor: borrowing tools from sociology, sociobiology, information theory, landscape ecology, and biogeography. Insectes Sociaux 54(2):105-112.
18 Bertram, S.M., L.A. Johnson, J. Clark, and C. Chief. 2004. An electronic acoustic recorder for quantifying total signaling time, duration, rate and magnitude in acoustically signaling insects. Technical Acoustics 2004(20): 1-15.
17 Bertram, S.M., R. Gorelick, and J.H. Fewell. 2003. Colony response to graded resource changes: an analytical model of the influence of genotype, environment, and dominance. Theoretical Population Biology 64(2):151-162.
16 Gorelick, R. and Bertram, S.M. 2003. Maintaining heritable variation via sex-limited temporally fluctuating selection: a phenotypic model accommodating non-Mendelian epigenetic effects. Theory in Biosciences 122(4):321-338.
2000 and Earlier
10 Fewell, J.H. and S.M. Bertram. 1999. Division of labor in a dynamic environment: response by honeybees (Apis mellifera) to graded changes in colony pollen stores. Behavioral Ecology and Sociobiology 46(3):171-179.
08 Bertram, S.M. and M. Berrill. 1996. Population fluctuations in a northern population of gray treefrogs (Hyla versicolor). In: Amphibians in Decline. Ed. D. Green. Herpetological Conservation 1: 57-63.
05 Berrill, M., S.M. Bertram, B. Pauli, D. Coulson, M. Kolohon, D. Ostrander. 1995. Comparative sensitivity of amphibian tadpoles to single and pulsed exposures of the forest-use insecticide fenitrothion. Environmental Toxicology and Chemistry 14: 1011-1018.
04 Berrill, M. S.M. Bertram, L. McGillivray, M. Kolohon, and B. Pauli. 1994. Effects of low concentrations of forest-use pesticides on frog embryos and tadpoles. Environmental Toxicology and Chemistry 13: 657-664.
03 Berrill, M., S.M. Bertram, A. Wilson, S. Louis, D. Brigham, and C. Stromberg. 1993. Lethal and sublethal impacts of pyrethroid insecticides on amphibian embryos and tadpoles. Environmental Toxicology and Chemistry 12: 525-539.
02 Berrill, M., S.M. Bertram, D. Brigham, and V, Campbell, 1992. A comparison of three methods of monitoring frog populations. In: Declines in amphibian populations: designing a national monitoring strategy. C. Bishop and K. Pettit (eds.) Occasional paper #76, Canadian Wildlife Service.
01 Berrill, M., S.M. Bertram, P. Tosswill, and V. Campbell. 1992. Is there a bullfrog decline in Ontario? In: Declines in amphibian populations: designing a national monitoring strategy. C. Bishop and K. Pettit (eds.) Occasional paper #76, Canadian Wildlife Service.