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Indian Meal Moth – Plodia interpuctella

Available Products
Dispenser containing active ingredient and antioxidant
Dispenser Details
Large Polyvial
Active Life
4-6 weeks (temperature dependent)
Pest Details
Adult
Wingspan of 16-20 mm. Forewings reddish-brown with coppery sheen on outer two thirds of wing and grey on the inner third, usually with a dark band at the junction between the two shadings. Hindwings are uniformly grey.
Larvae
Final instars reach 13 mm in length. Body colour varies from pink, brown to green. Five pairs of prolegs are present. The head is brown.
Eggs
Greyish-white, measuring from 0.3-0.5 mm in length. Eggs are laid singly or in small batches directly on to food sources.
Distribution
Worldwide except northern Asia and parts of South America.
Economic Host(s)
A variety of stored products including grain products, seeds, dried fruit and spices.
Symptons/Signs
The larvae burrow into the stored product to feed within a silk woven feeding den, which expands as the larvae grows. Webbing, heaps of flour dust, frass and exuviae are signs of infestation.
Generations
Up to 9 (in warmer storehouses)
Monitoring
Adults Present
All year round (climate dependent)
Recommended Trap Density
Traps should be placed 15-20 m apart. Once insects appear in traps more traps can be installed in the location to help pinpoint the site of the outbreak.
Trap Maintenance
Check traps on a regular basis; at least twice a week. Replace the pheromone dispensers every 4 weeks to achieve optimum results. Replace the sticky traps, if used, once they become saturated with dust or insects.
Storage
Keep product away from heat and direct sunlight. Store in a refrigerator for a shelf life of 12 months or a freezer for an extended life of 18 months. Always store sealed in original packaging.
Recommended Trap
View Trap

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