Abstract
A bioclimatic model of the polyphagous predator, Podisus maculiventris (Say) (Heteroptera: Pentatomidae), was developed using CLIMEX software (Hearne Scientific Software, Melbourne, Australia). Calibration distribution was fitted using known distribution records for the United States and Canada, after which the model was used to generate a potential distribution map for the entire world. As expected, potential distribution maps agreed with known distribution records for North America. However, apparent mismatches were found for distributions in Europe, South America, midAfrica, and Southeast Asia. Using historical weather data, CLIMEX “growth indices” (measures of climate suitability for insect development) were compared against multiyear pheromone trap counts in the northern (Indiana) and southern (Florida) United States. Growth index curves did not appear to match pheromone trap data in either location when examined separately by year, location and insect sex. However, a weak relationship was found between trap counts and growth index when data were pooled across years, locations and sex.
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