<i>Helicoverpa zea</i> Trends from the Northeast: Suggestions Towards Collaborative Mapping of Migration and Pyrethroid Susceptibility

Fig. 6. A comparison of corn earworm immigration in 2002 and 2005 at approximately the same point in time. Histogram insert shows a frequency distribution of average daily trap catch at ~250 sites.



Image from Plant Health Progress article:
Helicoverpa zea Trends from the Northeast: Suggestions Towards Collaborative Mapping of Migration and Pyrethroid Susceptibility