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Now showing items 1-7 of 7

A review of the McMorran diet for rearing lepidoptera species with addition of a further 39 species

Hervet, Vincent Alain Daniel; Laird, Robert A.; Floate, Kevin D. (Oxford University PressArts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2016)

Research on cutworms led us to explore the use of the McMorran diet to rear lepidopteran species, mainly Noctuidae, under laboratory conditions. We documented the development of 103 lepidopteran species, including 39 ...
A review of diapause and tolerance to extreme temperatures to dermestids (Coleoptera)

Wilches, D.M.; Laird, Robert A.; Floate, Kevin D.; Fields, P.G. (Arts and ScienceDepartment of Biological SciencesLethbridge Research and Development CentreUniversity of LethbridgeMorden Research and Development Centrehttps://doi.org/10.1016/j.jspr.2016.04.004, 2016-06-14)

Numerous species in Family Dermestidae (Coleoptera) are important economic pests of stored goods of animal and vegetal origin, and museum specimens. Reliance on chemical methods for of control has led to the development ...
Competitive intransitivity, population interaction structure, and strategy coexistence

Laird, Robert A.; Schamp, Brandon S. (Arts and ScienceDepartment of Biological SciencesUniversity of Lethbridgehttps://doi.org/10.1016/j.jtbi.2014.10.010, 2016-06-14)

Intransitive competition occurs when competing strategies cannot be listed in a hierarchy, but rather form loops – as in the game Rock-Paper-Scissors. Due to its cyclic competitive replacement, competitive intransitivity ...
Senescence in duckweed: age-related declines in survival, reproduction, and offspring quality

Barks, Patrick M.; Laird, Robert A. (Arts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2016-06-14)

As they grow old, most organisms experience progressive physiological deterioration resulting in declining rates of survival and reproduction – a seemingly maladaptive phenomenon known as senescence. Although senescence ...
Fitness declines toward range limits and local adaptation to climate affect dispersal evolution during climate-induced range shifts

Hargreaves, A.L.; Bailey, S.F.; Laird, Robert A. (Arts and ScienceDepartment of Biological SciencesQueen's UniversityAarhus UniversityUniversity of Lethbridge, 2016-06-14)

Dispersal ability will largely determine whether species track their climatic niches during climate change, a process especially important for populations at contracting (low-latitude/low-elevatio ...
A multigenerational effect of parental age on offspring size but not fitness in common duckweed (Lemna minor)

Barks, Patrick M.; Laird, Robert A. (Arts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2016-06-15)

Classic theories on the evolution of senescence make the simplifying assumption that all offspring are of equal quality, so that demographic senescence only manifests through declining rates of survival or fecundity. ...
Offspring of older parents are smaller-but no less bilaterally symmetrical-than offspring of younger parents in the aquatic plant Lemna turionifera

Ankutowicz, Eric J.; Laird, Robert A. (WileyArts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2018)

Offspring quality decreases with parental age in many taxa, with offspring of older parents exhibiting reduced life span, reproductive capacity, and fitness, compared to offspring of younger parents. These “parental age ...

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