Pest on crop
Pecan Weevil on pecan
Curculio caryae
The most damaging pecan pest east of the Rockies. Adults emerge from soil in late summer, feed on developing nuts, and lay eggs inside ripening kernels.
- Pest
- Pecan Weevil
- Scientific name
- Curculio caryae
- Crop
- Pecan
- Total hosts
- 1
Pecan Weevil on pecan
Detailed guidance for this section is being prepared. Check back soon.
Signs on pecan
- ▸ Small punctures in nut shucks during August-September
- ▸ Premature nut drop (water-stage damage)
- ▸ C-shaped grub larvae visible when nuts are cracked at harvest
IPM controls
- ✓ Trunk-banded burlap traps for adult monitoring
- ✓ Targeted sprays at first emergence (track with degree days)
- ✓ Prompt collection and destruction of fallen nuts to break the cycle
- ✓ Heavy mulch under canopy to disrupt larval entry into soil
Other crops affected by pecan weevil
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