Modeling Temperature-Dependent Development Rate in Insects and Implications of Experimental Design

Area of Science:

• Ecology
• Entomology
• Mathematical Biology

Background:

• Characterizing temperature-dependent development rates is essential for insect pest management.
• Current model selection practices for these rates are inconsistent.

Purpose of the Study:

• Provide guidelines for selecting appropriate mathematical models for temperature-dependent development rates.
• Assess the biological relevance of model fits.
• Evaluate the impact of experimental design on trait estimation accuracy.

Main Methods:

• Fitted various mathematical models to empirical data from a Lepidoptera pest.
• Used statistical criteria for model selection and biological relevance assessment.
• Conducted in silico experiments to explore experimental design impacts.

Main Results:

• Model prediction uncertainty is driven by rearing effort and individual development time variance.
• Testing more temperatures, rather than increasing sample size per temperature, improves parameter estimation.
• Inappropriate model choice can bias estimations of critical biological traits.

Conclusions:

• Standardized model selection is crucial for accurate temperature-dependent development rate studies.
• Experimental design significantly influences the reliability of estimated insect biological traits.
• These findings have direct implications for insect pest research and management.