Source: NCSU COOPERATIVE EXTENSION, 6/15/21

BMSB life stages (L to R): 2nd, 3rd, 4th, 5th instars; M and F adults 

Codling moth model DD accumulations range from about 810 in Henderson County to about 1150 in Cleveland County. These values coincide with >95% emergence of first generation moths in Henderson County to completion of first generation flight in lower elevations. Except for those orchards with high populations and where there is little drop in pheromone trap captures, insecticidal control of this pest should not be necessary until about 1400 DD, or when second generation egg hatch begins.

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