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NC State Extension

WNC Orchard Insect Populations


Bee on apple flowerApril 16, 2019


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


2019 Average Weekly Trap Captures

HENDERSON COUNTY
Insects per trap
Apr 1 Apr 8
Apr 15
Codling Moth 0.0 0.0 1.5
Oriental Fruit Moth 1.0 55.0 101.5
Tufted Apple Bud Moth
Redbanded Leafroller 17.0 7.0 0.0
Obliquebanded Leafroller
Lesser Appleworm
Apple Maggot (abandoned and research)
Brown Marmorated Stink Bug (commercial – mountains)
Brown Marmorated Stink Bug (commercial – upper Piedmont)
Brown Marmorated Stink Bug (research – unsprayed) 0.2
Spotted Tentiform Leafminer 2.0 3.0 n/a
Dogwood Borer
Peachtree Borer
Lesser Peachtree Borer
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.


2018 Accumulated Degree Days

  Henderson County
 Biofix Apr 1
Apr 7
Apr 15
Codling Moth
Oriental Fruit Moth Mar 16 87 151 281.5
Tufted Apple Bud Moth

About degree-day models


2019 Pest Trends (click to enlarge)

Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph Insect population graph


PREVIOUS UPDATES

picture of apple blossomsApril 8, 2019


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


2019 Average Weekly Trap Captures

HENDERSON COUNTY

Insects per trap

Mar 25 Apr 1 Apr 8
Codling Moth set 0.0 0.0
Oriental Fruit Moth 1.0 1.0 55.0
Tufted Apple Bud Moth
Redbanded Leafroller 14.0 17.0 7.0
Obliquebanded Leafroller
Lesser Appleworm
Apple Maggot (abandoned and research)
Brown Marmorated Stink Bug (commercial – mountains)
Brown Marmorated Stink Bug (commercial – upper Piedmont)
Brown Marmorated Stink Bug (research – unsprayed)
Spotted Tentiform Leafminer 0.0 2.0 3.0
Dogwood Borer
Peachtree Borer
Lesser Peachtree Borer
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.


2018 Accumulated Degree Days

  Henderson County
 Biofix Mar 25 Apr 1 Apr 7
Codling Moth
Oriental Fruit Moth Mar 16 41 87 151
Tufted Apple Bud Moth

About degree-day models