Indianmeal Moth

Category: OLI
Minimum Life Cycle: 26 days.
Distribution: Cereals, ground nuts, and dried fruits.
Biology:
Eggs - 100 to 300 eggs laid on or near produce.
Larvae - Spin threads as they feed forming webs; pre pupal diapause particularly resistant to insecticide treatment.
Pupae - Form in foodstuffs.
Adults - Non feeding; short lived.

Indianmeal Moth (Plodia interpunctella). This moth is distributed in a wide range of climates, and is found in many types of foods and processing and storage facilities. The larvae are general feeders and the adults do not feed. The larvae produce a dense webbing. The adults have a distinctive forewing pattern with a light colored base and a distal two thirds area that may be red to copper colored (Figure 8).

(Slide and top caption courtesy of ICI Americas, Inc.)

illustration of a indianmeal moth

Figure 8. Indianmeal moth.