Evidence for Decreasing <i>Helicoverpa zea</i> Susceptibility to Pyrethroid Insecticides in the Midwestern United States

Fig. 1. Typical late-season flight pattern for H. zea moths for selected southern Minnesota sites, 2005. Data collected using wire-mesh pheromone traps and zea-lure pheromone lures (photograph of H. zea adult from USDA-ARS).



Image from Plant Health Progress article:
Evidence for Decreasing Helicoverpa zea Susceptibility to Pyrethroid Insecticides in the Midwestern United States