A study of the correlation between environmental variables such as latitude and body size in paper wasps (genus Polistes) by a group of Brazilian researchers concludes that the nearer the habitat ...
germanica, worker Vespula squamosa (Drury), worker D. maculata, worker Vespa crabro L., and female Polistes dominulus F. In Oklahoma, the blend was attractive to worker V. maculifrons, worker V.