Tomato worms

Contributor: AgriNewTech
Date Compiled: 2024
Creative Commons "Attribution-Share Alike"
Autographa gamma (silver-Y moth); Larva. Image copyright: ©Charles Olsen, Charles Olsen Insect Collection, USDA APHIS PPQ/via Bugwood.org - CC BY-NC 3.0 US

Monitoring

Solution
It is advisable to monitor the progress of flights with pheromone traps, place one per greenhouse and per species to signal the start of infestation.
It is advisable to treat with chemical insecticides at the beginning of the infestations.

Control

Solution Product Category Production stage (if possible with reference to BBCH scale) Max nb. of a. i. application/year Application Details and Notes (commercial product example) Chemical Group IRAC Code
Spodoptera littoralis nucleopolyhedrovirus (Spli NPV)
Microbiological insecticide
Virus
Spinosad
Biological insecticide
Treat preventively or at the first appearance of parasites
3
(LASER) Dosage: 160-300 ml/ha
Spinosyns
5

Regulations surrounding chemical products can change rapidly – always verify chemicals recommended here with the most recent legislation and lists of products registered for your country
Solution Product Category Production stage (if possible with reference to BBCH scale) Max nb. of a. i. application/year Application Details and Notes (commercial product example) Chemical Group IRAC Code
Lambda-cyhalothrin
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 3 days before harvest
1
(KARATE ZEON® 1.5) Dosage: 0,8 L/ha
Pyrethroids and pyrethrins
3A
Metaflumizone
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 3 days before harvest
2
(ALVERDE) Disage: 1 L/ha
Semicarbazones
22B
Chlorantraniliprole
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 7 days before harvest
2 (Between Clorantraniliprole and Cyantraniliprole)
(AMPLIGO®) Dosage: 0,2 L/ha
Diamides
28
Tebufenozide
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 3 days before harvest
2 (Between Tebuzenozide and Methoxyfenozide)
(MIMIC®) Dosage: 750 ml/ha
Diacylhydrazines
18
Methoxyfenozide
Synthetic insecticide
Treat at the first appearance of parasites. Suspend treatments 1 day before harvest
2 in the greenhouse, 1 in the open field
(INTREPID™)
Diacylhydrazines
18
The information made available here has been obtained from or is based upon sources believed by CABI to be reliable but is not guaranteed as to accuracy or completeness. Anyone acting or relying on such information does so entirely at their own risk. The efficacy of the IPM methods included above will depend on local conditions and might not always be suitable everywhere within the specified country.