WNC Orchard Insect Populations

November 6, 2025

This will be the last posting of insect trap captures for 2025. Trapping and reports will resume in spring 2026. See you then!

Apple orchard

2025 Average Weekly Trap Captures


HENDERSON COUNTY
  Insects per trap
  Oct 20 Oct 30 Nov 6
Codling moth 0.0 0.0 0.0
Oriental fruit moth 1.0 0.0 0.0
Tufted apple bud moth 0.0 0.0 0.0
Redbanded leafroller 0.0 0.0 0.0
Obliquebanded leafroller 0.0 0.0 0.0
Lesser appleworm 5.0 0.0 0.0
Apple maggot (unsprayed research orchards) 0.0 0.0 end
Apple maggot (abandoned orchard) ended    
Brown marmorated stink bug (commercial orchards) 5.1 0.1 0.1
Brown marmorated stink bug (unsprayed research orchards) 2.0 0.0 0.3
Spotted tentiform leafminer 0.0 0.0 0.0
Dogwood borer 0.0 0.0 0.0
Peachtree borer 0.0 0.0 0.0
Lesser peachtree borer 1.0 0.0 0.0
San Jose scale 0.0 0.0 end

*Note that these averages illustrate only the timing of insect emergence and fluctuations in populations, and are not representative of population levels in any given orchard. The only way to have an accurate assessment of an individual orchard’s populations is to set up traps in that orchard.

2025 Accumulated Degree Days


HENDERSON COUNTY
  Oct 20 Oct 30 Nov 6
Codling moth (Biofix: April 21) 3416 3451 3475
Oriental fruit moth (Biofix: March 17) 4677 4736 4777
Tufted apple bud moth (Biofix: April 14) 4355 4413 4454