Lab facility


Journal publications

Click here for Rob's Google Scholar profile.

* refers to student co-authors

Dufton SV*, Olfert OO, Laird RA, Floate KD, Ge X, Otani JK (2022) A global review of orange wheat blossom midge, Sitodiplosis mosellana (Géhin) (Diptera: Cecidomyiidae) and IPM strategies for its management. Canadian Entomologist, in press.

Hervet VAD*, Laird RA, Floate KD (2022) Potential host range of Cotesia vanessae (Hymenoptera: Braconidae), a parasitoid new to North America and a possible biological control agent of noctuid pest species. Bulletin of Entomological Research, in press.

Senevirathna KM*, Crisfield VE, Burg TM, Laird RA (2021) Hide and seek: Molecular barcoding clarifies the distribution of two duckweed species in Alberta. Botany 99, 795-801. [Commentary as Editor's Choice article]

Dufton SV*, Laird RA, Floate KD, Otani JK (2021) Diversity, rate, and distribution of wheat midge parasitism in the Peace River region of Alberta, Canada. Canadian Entomologist 153, 461-469.

Barks PM*, Laird RA (2020) Parental age effects and the evolution of senescence. American Naturalist 195, 886-898.

Shivananjapa S*, Fields P, Laird RA, Floate KD (2020) Contributions of diet quality and diapause duration to the termination of larval diapause in khapra beetle, Trogoderma granarium (Coleoptera: Dermestidae). Journal of Stored Products Research 85, 101535.

Shivananjappa S*, Laird RA, Floate KD, Fields P (2020) Cross-tolerance to dessication and cold in khapra beetle (Coleoptera: Dermestidae). Journal of Economoic Entomology 113, 695-699.

Wilches DM*, Laird RA, Floate KD, Fields PG (2019) Control of Trogoderma granarium (Coleoptera: Dermestidae) using high temperatures. Journal of Economic Entomology 112, 963-968. [Highlighted in Entomology Today]

Chmilar SL*, Laird RA (2019) Demographic senescence in the aquatic plant Lemna gibba L. (Araceae). Aquatic Botany 153, 29-32.

Hervet VAD*, Laird RA, Floate KD (2018) Siblicidal behavior by larvae of the gregarious parasitoid Cotesia vanessae. Journal of Hymenopteran Research 67, 55-62.

Laird RA, Barks PM* (2018) Skimming the surface: duckweed as a model system in ecology and evolution. American Journal of Botany 105, 1962-1966. (Invited, peer-reviewed commentary; cover article) [pdf] [Highlighted in Duckweed Forum, volume 7]

Fernández DC*, Laird R, Herle C, Goulet H, Cárcamo H (2018) Seasonality and species composition of Peristenus (Hymenoptera: Braconidae) species, and Lygus (Hemiptera: Miridae) species parasitism in southern Alberta, Canada. Biocontrol Science and Technology 28, 702-717.

Wilches DM*, Laird RA, Fields PG, Coghlin P, Floate KD (2018) Spiroplasma dominates the microbiome of Khapra beetle: Comparison with a congener, and effects of life stage and temperature. Symbiosis 76, 277-291.

Laird RA (2018) Sequential interactions—in which one player plays first and another responds—promote cooperation in evolutionary dynamical simulations of single-shot Prisoner’s Dilemma and Snowdrift games. Journal of Theoretical Biology 452, 69-80.

Barks PM*, Laird RA (2018) Corrigendum: A multigenerational effect of parental age on offspring size but not fitness in common duckweed (Lemna minor). Journal of Evolutionary Biology 31, 779. (Correction to Barks and Laird 2016)

Barks PM*, Dempsey ZW*, Burg TM, Laird RA (2018) Among-strain consistency in the pace and shape of senescence in duckweed. Journal of Ecology 106, 2132-2145. [Commentary as Editor's Choice article]

Laird RA, Schamp BS (2018) Exploring the performance of intransitivity indices in predicting coexistence in multispecies systems. Journal of Ecology 106, 815-825.

Laird RA, Schamp BS (2018) Calculating competitive intransitivity: Computational challenges. American Naturalist 191, 547-552.

Ankutowicz EJ*, Laird RA (2018) Offspring of older parents are smaller—but no less bilaterally symmetrical—than offspring of younger parents in the aquatic plant Lemna turionifera. Ecology and Evolution 8, 679-687.

Wilches DM*, Laird RA, Floate KD, Fields PG (2017) Effects of acclimation and diapause on the cold tolerance of Trogoderma granarium (Coleoptera: Dermestidae). Entomologica Experimentalis et Applicata 165, 169-178.

Wilches DM*, Laird RA, Floate KD, Fields PG (2016) A review of diapause and tolerance to extreme temperatures to dermestids (Coleoptera). Journal of Stored Products Research 68, 50-62.

Barks PM*, Laird RA (2016) A multigenerational effect of parental age on offspring size but not fitness in common duckweed (Lemna minor). Journal of Evolutionary Biology 29, 748-756. [pdf]

Hervet VAD*, Laird RA, Floate KD (2016) A review of the McMorran diet for rearing Lepidoptera species with addition of a further 39 species. Journal of Insect Science 16, 1-7. [pdf] [Commentary in EntomologyToday] [Commentary in ScienceDaily] [Commentary in] [Commentary in EurkAlert!]

Hargreaves AL, Bailey SF, Laird RA (2015) Local adaptation and poor-quality edge habitat affect dispersal evolution during range shifts induced by climate change. Journal of Evolutionary Biology 28, 1489-1501. [pdf]

Barks PM*, Laird RA (2015) Senescence in duckweed: Age-related declines in survival, reproduction, and offspring quality. Functional Ecology 29, 540-548. [pdf]

Laird RA, Schamp BS (2015) Competitive intransitivity, population interaction structure, and strategy coexistence. Journal of Theoretical Biology 365, 149-158. [pdf]

Laird RA (2014) Population interaction structure and the coexistence of bacterial strains playing 'rock-paper-scissors'. Oikos 123, 472-480. [pdf]

Hervet VA*, Murillo H, Fernández-Triana JL, Shaw MR, Laird RA, Floate KD (2014) First report of Cotesia vanessae (Hymenoptera: Braconidae) in North America. Canadian Entomologist 146, 560-566. [pdf]

Laird RA (2013) Static cooperator-defector patterns in models of the snowdrift game played on cycle graphs. Physical Review E 88, 012105. [pdf]

Laird RA, Goyal D*, Yazdani S (2013) Geometry of 'standoffs' in lattice models of the spatial Prisoner's Dilemma and Snowdrift games. Physica A 392, 3622-3633. [pdf]

Laird RA (2012) Evolutionary strategy dynamics for tag-based cooperation and defection in the spatial and aspatial Snowdrift game. International Journal of Bifurcation and Chaos 22, 1230039. [pdf]

Kwok KE*, Laird RA (2012) Plant age and the inducibility of extrafloral nectaries in Vicia faba. Plant Ecology 213, 1823-1832. [pdf]

Laird RA (2011) Green beard effect predicts the evolution of traitorousness in the two-tag Prisoner's Dilemma. Journal of Theoretical Biology 288, 84-91. [pdf]

Sherratt TN, Hassall C, Laird RA, Thompson DL, Cordero-Rivera A (2011) A comparative analysis of senescence in adult damselflies and dragonflies (Odonata). Journal of Evolutionary Biology 24, 810-822. [pdf]

Sherratt TN, Laird RA, Hassall C, Lowe CD, Harvey IF, Watts PC, Cordero-Rivera A, Thompson DL (2010) Empirical evidence of senescence in adult damselflies (Odonata: Zygoptera). Journal of Animal Ecology 79, 1034-1044. [pdf]

Laird RA, Sherratt TN (2010) The evolution of senescence in multi-component systems. BioSystems 99, 130-139. [pdf]

Laird RA, Sherratt TN (2010) The economics of evolution: Henry Ford and the Model T. Oikos 119, 3-9. [pdf] [A Faculty of 1000 "Recommended Paper"] [Commentary in The Evolution & Medicine Review]

Laird RA, Sherratt TN (2009) The evolution of senescence through decelerating selection for system reliability. Journal of Evolutionary Biology 22, 974-982. [pdf]

Laird RA, Schamp BS (2009) Species coexistence, intransitivity, and topological variation in competitive tournaments. Journal of Theoretical Biology 256, 90-95. [pdf]

Laird RA, Addicott JF (2009) Testing for mycorrhizal fungi-plant-ant indirect effects. Journal of Plant Interactions 4, 7-14. [pdf]

Laird RA, Addicott JF (2008) 'Fungicide application method' and the interpretation of mycorrhizal fungus-insect indirect effects. Acta Oecologica 34, 214-220. [pdf]

Laird RA, Addicott JF (2008) Neutral indirect effects of mycorrhizal fungi on a specialist insect herbivore. Environmental Entomology 37, 1017-1024. [pdf]

Laird RA, Schamp BS (2008) Does local competition increase the coexistence of species in intransitive networks? Ecology 89, 237-247. [pdf]

Bailey SF, Hargreaves AL, Hechtenthal SD, Laird RA, Latty TM, Reid TG, Teucher AC, Tindall JR (2007) Empty flowers as a pollination-enhancement strategy. Evolutionary Ecology Research 9, 1245-1262. [pdf]

Laird RA, Addicott JF (2007) Arbuscular mycorrhizal fungi reduce the construction of extra-floral nectaries in Vicia faba. Oecologia 152, 541–551. [pdf]

Laird RA, Schamp BS (2006) Competitive intransitivity promotes species coexistence. American Naturalist 168, 182-193. [pdf]

Laird RA, Aarssen LW (2005) Size inequality and the tragedy of the commons phenomenon in plant competition. Plant Ecology 179, 127-131. [pdf]

Laird RA, Pither J, Aarssen LW (2003) Species evenness, not richness, has consistent relationship with productivity in old-field vegetation. Community Ecology 4, 21-28. [pdf]

Aarssen LW, Laird RA, Pither J (2003) Is the productivity of plots within natural vegetation higher or lower when there are more species?  Variable predictions derived from interaction of the ‘sampling effect’ and ‘competitive dominance effect’ on the habitat templet. Oikos 102, 427-432. [pdf]

Laird RA (2002) The use of relative abundance patterns to discriminate among niche apportionment processes. Community Ecology 3, 31-38. [pdf]

Schamp BS, Laird RA, Aarssen LW (2002) Fewer species because of uncommon habitat? Testing the species pool hypothesis for low plant species richness in highly productive habitats. Oikos 97, 145-151. [pdf]