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NC State Extension

WNC Orchard Insect Populations

April 5, 2021Insect trap in apple orchard

We have set some early traps in the MHCRS orchards and captures are reported below. The weekly summary of pest activity will begin as insects appear in earnest.


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


2021 Average Weekly Trap Captures

HENDERSON COUNTY
Insects per trap
Mar 23 Mar 30 Apr 5
Codling moth  setup 0.0
Oriental fruit moth 0.0 17.5 12.0
Tufted apple bud moth setup 0.0
Redbanded leafroller 4.0 10.0 9.0
Obliquebanded leafroller
Lesser appleworm
Apple maggot (abandoned and research orchards)
Brown marmorated stink bug (commercial)
Brown marmorated stink bug (unsprayed) setup 0.0 0.0
Spotted tentiform leafminer 0.0 0.0 4.0
Dogwood borer setup 0.0
Peachtree borer setup 0.0
Lesser peachtree borer setup 0.0
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.


2021 Accumulated Degree Days

HENDERSON COUNTY
Codling moth (Biofix has not been established)
Oriental fruit moth (Biofix has not been established)
Tufted apple bud moth (Biofix has not been established)

About degree-day models


2021 Pest Trends (click to enlarge)

Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends Graph of insect population trends

Written By

Stephen Schoof, N.C. Cooperative ExtensionStephen SchoofAgricultural Research Specialist Call Stephen E-mail Stephen Entomology & Plant Pathology
NC State Extension, NC State University
Page Last Updated: 1 week ago
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