5 August 2019. Pheromone trap catches confirm WBC presence in most regions of New York State. NEWA WBC modeling indicates the threshold of 25% flight completion for egg mass scouting has been exceeded in all areas of the state except Franklin County.
An important reminder that WBC estimated flight emergence is only applicable when presence has been confirmed. Visit the NYSIPM Sweet Corn Pheromone Trap Report blog, updated weekly, to find detailed WBC trap catch information for your area, along with European corn borer, corn earworm, and fall armyworm.