Learn more about southeastern apple insect pests at the Apple Insect Management page.
WNC Orchard Insect Pest Populations - April 13, 2026
(Updated: April 20, 2026, 4:29 p.m.)
2026 Average Weekly Trap Captures - Henderson County
| Insects per trap | ||||||
| Insect | Mar 9 | Mar 16 | Mar 23 | Mar 30 | Apr 6 | Apr 13 |
| Codling moth | - | - | set | 0.0 | 0.0 | 1.5 |
| Oriental fruit moth | - | 0.0 | 26.0 | 107.0 | 125.0 | 58.0 |
| Tufted apple bud moth | - | - | set | 0.0 | 0.0 | 0.0 |
| Redbanded leafroller | 10.0 | 4.0 | 2.0 | 22.0 | 3.0 | 23.0 |
| Obliquebanded leafroller | - | - | - | - | set | 0.0 |
| Lesser appleworm | - | - | - | - | - | set |
| Apple maggot (research orchard) | - | - | - | - | - | - |
| Apple maggot (abandoned orchard) | - | - | - | - | - | - |
| Brown marmorated stink bug (commercial) | - | - | - | set | 5.0 | 4.5 |
| Brown marmorated stink bug (unsprayed) | - | - | set | 0.0 | 0.0 | 2.5 |
| Spotted tentiform leafminer | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.0 |
| Dogwood borer | - | - | - | - | - | 0.0 |
| Peachtree borer | - | - | - | - | - | 0.0 |
| Lesser peachtree borer | - | - | set | 0.0 | 38.0 | 65.0 |
| San Jose scale | - | - | set | 0.0 | 0.0 | 0.0 |
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*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.
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2026 Degree Days - Henderson County
| Accumulated Degree Days | ||||
| Insect | Mar 30 | Apr 6 | Apr 13 | |
| Codling moth (Biofix Apr 11) | - | - | 13 | |
| Oriental fruit moth (Biofix Mar 21) | 118 | 227 | 299 | |
| Tufted apple bud moth (Biofix not yet set) | - | - | - | |
2026 Insect Population Trends
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