Pest on crop
Walnut Husk Fly on black walnut
Rhagoletis completa
Tephritid fly whose larvae develop inside walnut husks, causing dark staining of the shell and reduced kernel quality.
- Pest
- Walnut Husk Fly
- Scientific name
- Rhagoletis completa
- Crop
- Black Walnut
- Total hosts
- 2
Walnut Husk Fly on black walnut
Detailed guidance for this section is being prepared. Check back soon.
Signs on black walnut
- ▸ Soft dark spots on hulls in late summer
- ▸ Black-stained shells after husk removal
- ▸ Maggots in the husk when split open
IPM controls
- ✓ Yellow sticky traps with ammonium baits for monitoring
- ✓ Targeted spray at first catch in mid-July to early August
- ✓ Prompt harvest as hulls split
- ✓ Sanitation of fallen nuts and infested hulls
Other crops affected by walnut husk fly
Related