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Long-term monitoring program of Scotinophara lurida (Burmeister) and Paromius exiguus (Distant)
To find out the effect of global warming (long-term air temperature change) on insect population, we developed long-term monitoring program for Scotinophara lurida (Burmeister) and Paromius exiguus (Distant). The monitoring programs for these target insects are consisted of two main areas; Field monitoring and modelling of long-term population change. For the field monitoring, we conduct the survey of target insects on host plants, light trap monitoring, overwintering habitat sampling, and the monitoring of daily air temperature change. The field monitorings has been conducted for 10 and 4 years for S. lurida and P. exiguus, respectively. For the modelling of long-term population change, we have already developed basic phenology models for both insects. The developed phenology models are validated using yearly field sampling data and air temperature data. Environmental factors which could affect the populations of target insects are studied in laboratory to find out the magnitude of the effects. Based on the basic phenology models and parameters for newly found factors, long term population dynamics models for both insects will be developed.
