Source: NCSU COOPERATIVE EXTENSION, 7/23/19


Overall, insect pressure is fairly low throughout the region. Codling moth and oriental fruit moth populations are very low, and first generation brown marmorated stink bug adults are active only in piedmont regions, not yet in the mountains. Also, there has been no evidence of a large emergence of apple maggot as of yet.

Second generation codling moth flight is completed in lower elevation piedmont orchards, and is nearly complete in mountain production areas (≥2000 ft elevation). Degree-day accumulations in Henderson County are about 1900 as of July 22, which coincides with emergence of about 90% of second generation adults. This information, combined with very low pheromone trap captures, suggests that the potential for damage is extremely low.

Third generation oriental fruit moth adults are beginning to emerge in mountain locations, but populations generally have been low to date. Pheromone trap captures provide valuable information on the activity of this pest in individual orchards, because population density can be highly variable even among nearby orchards.

First generation brown marmorated stink bug began emergence a little over two weeks ago,  and this will continue for a few more weeks. While population densities can vary considerably among locations, this is a potentially critical time for damage in piedmont locaitons.

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