Improving our Understanding of <i>H. zea</i> Migration in the Midwest: Assessment of Source Populations

Fig. 1. Due to periods of prolonged cold temperatures during the winter, CEW generally are unable to overwinter north of Interstate 80, and always survive the winter south of Interstate 40, with occasional survival in between (Midwestern Regional Climate Center/NIU Cartography Laboratory).



Image from Plant Health Progress article:
Improving our Understanding of H. zea Migration in the Midwest: Assessment of Source Populations