Pest on crop
Imported Currantworm on black currant
Nematus ribesii
Sawfly whose larvae can rapidly defoliate currant and gooseberry bushes, working from the inside of the bush outward.
- Pest
- Imported Currantworm
- Scientific name
- Nematus ribesii
- Crop
- Black Currant
- Total hosts
- 4
Imported Currantworm on black currant
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Signs on black currant
- ▸ Skeletonized leaves starting at the bush interior
- ▸ Green caterpillar-like larvae on undersides of leaves
- ▸ Rapid defoliation in late spring
IPM controls
- ✓ Hand-pick larvae if caught early
- ✓ Spinosad or insecticidal soap for moderate infestations
- ✓ Inspect bushes weekly during leaf-out
- ✓ Tolerate first-generation damage on established bushes
Other crops affected by imported currantworm
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