Final WNC Orchard Insect Pest Population Update of the Season – November 3, 2020

— Written By and last updated by

Stink bug trap in apple orchard, late seasonNovember 3, 2020

Most of our weekly trap catches have declined to zero, and this will be the last time numbers are updated in the 2020 season. See you next year!

(All previous 2020 pest reports can be found by scrolling down this page.)


Learn more about southeastern apple insect pests at the Apple Insect Management page.


2020 Average Weekly Trap Captures

HENDERSON COUNTY
Insects per trap
Oct 19 Oct 26 Nov 3
Codling moth  0.0 0.0 0.0
Oriental fruit moth 0.5 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 0.0 0.0 0.0
Apple maggot (abandoned and research orchards) 0.0 0.0 0.0
Brown marmorated stink bug (commercial) 1.3 0.6 0.0
Brown marmorated stink bug (unsprayed) 1.8 0.3 0.0
Spotted tentiform leafminer 0.0 0.0 7.0
Dogwood borer 0.0 0.0 0.0
Peachtree borer 0.0 4.0 0.0
Lesser peachtree borer 3.0 4.0 1.0
San Jose scale 0.0 0.0 0.0

*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.


2020 Accumulated Degree Days

HENDERSON COUNTY
Oct 19 Oct 26 Nov 3
Codling moth (Biofix 4/20) 3083 DD 3171 DD 3243 DD
Oriental fruit moth (Biofix 3/30) 4120 DD 4239 DD 4340 DD
Tufted apple bud moth (Biofix 4/27) 3862 DD 3982 DD 4082 DD

About degree-day models


2020 Pest Trends (click to enlarge)

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Visit WNC Orchard Insect Populations for archived posts.


Additional Resources