Source: NCSU COOPERATIVE EXTENSION, 6/2/21


Codling moth degree-day accumulations range from about 530 in Henderson County to 825 in Cleveland/Lincoln Counties. Hence, it remains a potential threat in Henderson County and other locations of similar elevation (≥2,000 ft) with about 80% of first generation adults emerged and 30% of first generation eggs hatched. In lower elevations of Cleveland and Lincoln, first generation flight is nearly complete, with essentially all adults emerged from overwintering and almost 70% of eggs hatched. Once we pass about 650 DD, further insecticide sprays for codling moth are usually not necessary until second generation.

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