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

Fig. 2. Dates for first expected appearance of CEW in the central United States. Data is from Isard et al. (5), map reproduced by NIU Cartography Laboratory.



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