Demographic Parameters of Phytophagous Mites
Summary
Demographic parameters of phytophagous mites encompass key life-history traits that govern population dynamics and pest potential. Core measures include development duration from egg to adult, stage-specific survival rates, fecundity and the composite life-table metrics such as intrinsic rate of increase, net reproductive rate and mean generation time. Studies routinely employ controlled laboratory assays and field observations to quantify how host plant species, cultivar variation and abiotic factors—particularly temperature and humidity—influence these parameters. Intraspecific variation, driven by genetic and environmental interactions, further modulates demographic outcomes across populations. Integration of degree-day models and threshold temperature determinations allows prediction of seasonal emergence and outbreak risk. Globally, this body of research underpins integrated pest management by identifying vulnerable crop–mite combinations, optimising forecasting tools and informing cultural or biological control strategies.
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Demographic Parameters of Phytophagous Mites publication trend
The graph below shows the total number of articles in demographic parameters of phytophagous mites across all publications each year (not limited to Nature Index journals).
Technical terms
Life table: A schedule of age- or stage-specific survival and reproduction used to calculate population growth metrics.
Intrinsic rate of increase (rₘ): The exponential rate at which a population grows under ideal conditions per individual per time unit.
Net reproductive rate (R₀): The average number of offspring that an individual is expected to produce over its lifetime.
Mean generation time (T): The average interval between the birth of an individual and the birth of its offspring.
Degree days: A thermal accumulation measure representing the sum of daily temperatures above a defined developmental threshold.
References
- Life Table Parameters of Tetranychus merganser Boudreaux (Acari: Tetranychidae) on Five Host Plants. Insects (2023).
- Field and Laboratory Observations on the Biology of Aceria angustifoliae with Emphasis on Emergence of Overwintering Mites. Insects (2023).
- Development, reproduction and life table parameters of Tetranychus turkestani (Acari: Tetranychidae) on three different host plants. Acarologia (2020).
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